Page 1 161221687130 承認済 REFRACTOR REFRACTOR RT-5100 RT-5100 OPERATOR’S MANUAL OPERATOR’S MANUAL R T -5 1 0 0 RE FR AC TO Uncontrolled copy when printed.
Page 2 161221687130 承認済 Original instructions NIDEK CO., LTD. : 34-14, Maehama, Hiroishi Gamagori, Aichi 443-0038, JAPAN (Manufacturer) Telephone: +81-533-67-6611 Facsimile: +81-533-67-6610 NIDEK CO., LTD. : 3F Sumitomo Fudosan Hongo Bldg., 3-22-5 Hongo, (Tokyo Office) Bunkyo-Ku, Tokyo 113-0033, JAPAN Telephone: +81-3-5844-2641 Facsimile: +81-3-5844-2642 NIDEK INC.
Page 3 BEFORE USE, READ THIS MANUAL. This operator’s manual includes operating procedures, safety precautions, and specifications for the NIDEK REFRACTOR RT-5100 when it is used in combination with any of the NIDEK chart presenting devices. The dioptric powers are indicated with a reference wavelength of 546.07 nm.
Page 4 161221687130 承認済 Safety precautions In this manual, signal words are used to designate the degree or level of safety alerting. The defini- tions are as follows: WARNING Indicates a potentially hazardous situation which, if not avoided, may result in • death or serious injury.
Page 5 161221687130 承認済 Usage precautions Before Use WARNING Be sure to secure the refractor head to the refractor arm. • If the refractor head is dropped or falls, injury or device failure may result. Connect the power plug to a grounded outlet. •...
Page 6 161221687130 承認済 Never use a power strip or extension cable to supply power to the device. • The electrical safety may be lowered. Do not use a power cord other than the one supplied. Do not use the • equipped power cord for any other purpose. Malfunction or fire may result.
Page 7 161221687130 承認済 During Use WARNING When moving the refractor head, make sure that there are no obstacles in • its path. If the arm is swung carelessly, it may bump against someone or something and injury or malfunction may occur. In addition, the near point rod may topple over and injury may occur.
Page 8 161221687130 承認済 If the device fails, disconnect the power cord from the power outlet, then • contact NIDEK or your authorized distributor without touching the interior of the device. Take care not to catch hands or fingers in moving parts. •...
Page 9 161221687130 承認済  Patient environment CAUTION Use devices that comply with IEC 60601-1 in the patient environment. If any • device that does not comply with IEC 60601-1 is to be used, use an isolating transformer or common protective grounding The patient environment is the volume of space in which contact can occur between the patient and any part of the device (including any connected device) or between the patient and any other person(s) touching the device.
Page 10 161221687130 承認済 After Use CAUTION After using the device, remove the near point rod from the device and store • it in a secure location. If the near point rod is not removed, it may topple over and injury may occur. If the device will not be used for a long time, disconnect the power cable •...
Page 11 161221687130 承認済 • In rare cases, a pixel may be missing on the screen or a red, blue, or green pixel point may always be displayed. This does not represent a failure of the touch-screen panel; this is due to the structure of the liquid crystal display.
Page 12 161221687130 承認済 Uncontrolled copy when printed.
Page 13: Table Of Contents
161221687130 承認済 Table of Contents 1. BEFORE USE ........1 1.1 Outline of the Refractor .
Page 14 161221687130 承認済 2.6.2 Visual acuity chart mask functions ........75 2.6.3 Low illumination, glare lamp, and contrast functions (SSC series).
Page 15 161221687130 承認済 3.19 Parameter Settings ........... 133 3.19.1 Parameter Settings.
Page 16 161221687130 承認済 4.6 Convergence Test ........... 198 4.7 Supravergence Test for Final Prescription (only for Plus Package) .
Page 17 161221687130 承認済 6.5 Cleaning the Printer ..........253 6.6 Cleaning Measuring Windows .
Page 18 161221687130 承認済 Uncontrolled copy when printed.
Page 19: Before Use
It allows the refractor and charts to be controlled together. Normally, the relay box and printer are installed on the system table (not included in the RT-5100 package.) * In this operator’s manual, the keys on the control box are indicated by key representations such as...
Page 20: Configuration
7. Near point chart knob 6. Level 5. Forehead rest knob 4. Forehead rest detection lamp 3. VD check window RT-5100 REFRACTOR 2. Near point lamp 1. Measuring window Patient’s side 10. Forehead rest 11. Face shield 1. Measuring window...
Page 21 161221687130 承認済 BEFORE USE Configuration 1. Measuring window The patient looks at any chart through these windows. 2. Near point lamp Illuminates the near point chart. The lamp lights up or goes out with [Near Lamp] on the window shown by pressing the left side switch of the control box.
Page 22: Control Box
161221687130 承認済 BEFORE USE Configuration 10. Forehead rest The patient's forehead touches here during refraction. Clean it before each refraction. See “6.2 Cleaning Forehead Rest” (page 250). 11. Face shield The patient's face touches here during refraction. Clean the face shields before each refraction. See “6.3 Cleaning Face Shields”...
Page 23 161221687130 承認済 BEFORE USE Configuration 3. Right side switch Displays the Other Settings window. [C+/–]: Switches the cylinder reading between + and –. [ID No.]: Changes the ID No. whose data is printed. [Age]: Displays the Age input window. 4. Dial Changes any measurement value.
Page 24 161221687130 承認済 BEFORE USE Configuration  Display (A) Measurement screen 1. PD display and change key 2. Auxiliary lenses key Measurement mode 3. Far or near mode key Date Time 7. Display data setting button 1 4. Chart buttons 8. Sub window 1 9.
Page 25 161221687130 承認済 BEFORE USE Configuration 5-1.[S] Goes into SPH mode that allows spherical powers to be adjusted. Pressing [S] enters both eyes specifications of SPH mode. Pressing the value S on the R side enters the right eye specifications of SPH mode. Pressing the value S on the L side enters the left eye specifications of SPH mode.
Page 26 161221687130 承認済 BEFORE USE Configuration 6. Chart / 21 Point Exams switching button (only for Plus Package) Switches the chart switching button to 21 Point Exams list display. Pressing the button again returns to the chart list display. 7. Display data setting button 1 Pressing this button displays the window specifying the items to be displayed in sub window 1.
Page 27 161221687130 承認済 BEFORE USE Configuration (B) Main menu screen 1. [Data List] button 2. [Vision Test] button 3. [Range of Clear Vision] button 4. [About Eye] button 5. [Vision] button 6. [End] button 7. [Info.] button 8. [Others] button 9. [Para.] button 1.
Page 28 14. Cross cylinder keys 1. Data keys Used for data entry into the RT-5100 or measurement. Data in the selected mode is displayed at the center of the screen. The key selected is displayed in the upper-left corner of the screen.
Page 29 161221687130 承認済 BEFORE USE Configuration 1-4. Used to obtain the full correction. When data is received from an auto refractometer or a lensmeter, this field opens automatically. The elapsed time from data entry is displayed in the subjective data field when the “Operating timer” parameter is set to “Subj”.
Page 30 161221687130 承認済 BEFORE USE Configuration 7-2. Goes into CYL mode that allows cylindrical powers to be adjusted. 7-3. Goes into AXIS mode that allows cylindrical axis to be adjusted. 7-4. Goes into ADD mode that allows addition powers to be adjusted. The refractor head converges to the working distance of 40 cm (variable) automatically in near mode.
Page 31 161221687130 承認済 BEFORE USE Configuration 7-8. Goes into the mode that allows base up/down prism power in rectangular coordinates or prism base angle in polar coordinates to be entered. 8. Eye selection keys Select the right eye (R), left eye (L), or both eyes (BIN) for subjective refinement. •...
Page 32 Applies the red-green filter on the VA chart.  again Releases the red-green filter. 12. Pilot lamp Lights up in blue while the RT-5100 is turned on. 13. Program keys See “2.5 Standard Program Refraction” (page 43) for programmed refraction. 13-1. Starts a program.
Page 33 161221687130 承認済 BEFORE USE Configuration 14. Cross cylinder keys Place a cross cylinder lens to measure the cylindrical axis or power. When the key is pressed with both eyes open, the left measuring window is occluded automatically. Open the left measuring window with to perform the astigmatism test with both eyes open.
Page 34 161221687130 承認済 BEFORE USE Configuration  Rear side of the control box 2. IR receiver 1. CF card slot 3. USB connectors 1. CF card slot It is used to update the software and importing or exporting programs. Do not touch here because the CF (CompactFlash) card in which image data is stored is inserted. 2.
Page 35: Relay Box
161221687130 承認済 BEFORE USE Configuration 1.4.3 Relay box The relay box is installed in the system table normally. 3. PC connector 5. CP connector 2. LM connector 4. AUX connector 6. LAN connector 1. AR connector Power switch Power inlet 10.
Page 36: Connecting Each Unit
161221687130 承認済 BEFORE USE Configuration 1.4.4 Connecting each unit The diagram below indicates the configuration of the unit type (for installing the other company’s table). For the stand type and dedicated table type, refer to the manual of the stand and table. Uncontrolled copy when printed.
Page 37: Connecting Peripherals
1.4.5 Connecting peripherals The RT-5100 can output measurement data, such as AR data and LM data, that is input with an auto refractometer or lensmeter to an external computer. AR data and LM data can also be input with the external computer.
Page 38: Labels
Indicates that when the switch is pressed to this symbol side, power is supplied to the device. Indicates that the RT-5100 must be supplied only with alternating current. Indicates the date of manufacture. Indicates the manufacturer.
Page 39 161221687130 承認済 BEFORE USE Labels <Refractor Head> Serial number For countries other than the USA and Canada <Control Box> For countries other than the USA and Canada For the USA and Canada For CE and other countries For the USA and Canada Indicates that the product is certified for the US and Canadian markets, to the applicable US and Canadian standards.
Page 40 CE marking Indicates that the product conforms fully to the requirements of the Medical Device Directive (93/42/EEC). The RT-5100 is classified as a Class I medical device according to the Medical Device Directive. <Rear side of the Control Box> For the USA and Canadian market...
Page 41 161221687130 承認済 BEFORE USE Labels <Relay Box> For the USA and Canadian market For CE and other countries See “1.4.3 Relay box” (page 16). <Printer> Stand alone printer for RT-5100U Built-in printer for ST-5100 (table) / RT-5100S (stand) Uncontrolled copy when printed.
Page 42 The symbols shown on the display correspond to the symbols and those names defined in ISO 10341 (Ophthalmic instruments - Refractor heads) as shown in the following table. Marking Auxiliary lens RT-5100 ISO 10341 Red maddox rod Maddox rods Pinhole plate...
Page 43: Before First Use
161221687130 承認済 BEFORE USE Before First Use Before First Use Confirm that the power cord of the system table on which the RT-5100 is installed is con- nected into the wall outlet. Attach the forehead rest to the refractor Forehead rest head.
Page 44 10 mm from the cable head of the RT- 5100 relay box side of each communication cable. 10 mm • Attaching the ferrite cores is not necessary for the RT-5100/system table set. The ferrite cores have already been attached. Uncontrolled copy when printed.
Page 45: Getting Started And Exiting
1.7.2 Restore from power saving mode When the RT-5100 is left idle for 15 minutes (variable) without any key operation, it goes into power saving mode. In this mode, the screen backlight and chart presenting device lamp go out. The RT-5100 restores from this mode by pressing any key.
Page 46 161221687130 承認済 BEFORE USE Getting Started and Exiting Uncontrolled copy when printed.
Page 47: Operating Procedure
161221687130 承認済 OPERATING PROCEDURE Operation Flow 1.7.1 Getting started (Page 27)  2.2 Entering Data (Page 30) 2.2.1 From an auto refractometer ............. page 30 2.2.2 From a lensmeter ................page 32 2.2.3 Manual data entry with the dial ............page 33 2.2.4 From an Eye Care card ..............
Page 48: Entering Data
When the RT-5100 interfaces with one of the NIDEK auto refractometers, the measured data will be automatically transferred to the RT-5100 by pressing the Print button of the auto refractometer. The RT-5100 stores the data in the memory of the relay box. When the data is already in the memory, skip Steps 1 and 2.
Page 49 When the “AR port” parameter is set to the “WF(OPD)” or “HDR”, or “LM port” parameter to “WF(OPD)”, the RT-5100 operates as follows. • When the Wave Front data is entered, the program becomes the program set in the “Program for WF data imported from OPD”...
Page 50: From A Lensmeter
When the RT-5100 interfaces with one of the NIDEK lensmeters, the measured data is automatically transferred to the RT-5100 by pressing the Print button of the lensmeter. The RT-5100 stores the data in the memory of the relay box. When the data is already in the memory, skip Steps 1 and 2.
Page 51: Manual Data Entry With The Dial
161221687130 承認済 OPERATING PROCEDURE Entering Data 2.2.3 Manual data entry with the dial Manual data entry is also available with the dial. • When the AR or LM data is entered with the dial, the subjective data field does not open automatically.
Page 52: From An Eye Care Card
Eye Care card data remain as is. (However, for the Subjective field, follow the “Preset power of Subj 1” parameter setting.) For the data writing procedure from the RT-5100 to the EyeCare card, see "3.22 Exporting Data to Eye Care Card" (page 148)
Page 53: Entering Day And Night Data
161221687130 承認済 OPERATING PROCEDURE Entering Data 2.2.5 Entering day and night data When the “Display the Day/Night switching button” parameter is set to “Yes”, is displayed and night data can be input separately from day data. * Day data is measurement data for bright environment and night data is measurement data for dark envionment.
Page 54: Entering Day And Night Data From Ark-10000 Or Opd Scan Iii
When entering day data only, see "2.2.1 From an auto refractometer" (page 30). For detailed procedure for transferring data from the ARK-10000 to the RT-5100, refer to the ARK-10000 Operator's Manual. • The “AR port” parameter needs to be set as “WF(OPD)”.
Page 55 161221687130 承認済 OPERATING PROCEDURE Entering Data Enter the data. Press The refractor head is automatically set depend- ing on the day data. The subjective refinement starts. is displayed next to the Measurement mode display as the indication of day data. When the day data is the Wave Front data, the program becomes the program set in the “Pro- gram for WF data imported from OPD”...
Page 56  When calling up data from the OPD-Scan III connected with a cable When entering day data only, see "2.2.1 From an auto refractometer" (page 30). * For detailed procedure of transferring data from the OPD-Scan III to the RT-5100, refer to the OPD-Scan III Operator's Manual.
Page 57  When calling up data from the ARK-10000 and OPD-Scan III via Eye Care card The optional Eye Care card allows day and night data to be entered without connecting the ARK- 10000 and OPD-Scan III directly to the RT-5100. When entering day data only, see "2.2.4 From an Eye Care card" (page 34).
Page 58: Setting Prism Lenses
161221687130 承認済 OPERATING PROCEDURE Setting Prism Lenses Setting Prism Lenses 2.3.1 Switching between rectangular and polar coordinates Press to go into prism entry mode. Pressing the prism field on the screen also goes into prism entry mode. Press [XY] or [r] on the screen. ...
Page 59: Removing Rotary Prism Lenses
161221687130 承認済 OPERATING PROCEDURE Setting Prism Lenses Enter the prism absolute values. Turn the dial to change the absolute values (in 0.5increments). The prism absolute values can also be changed in 0.1 increments with instead of the dial. Pressing either key changes the power continuously. See page 135. Turning the dial while pressing changes the power in 2increments.
Page 60: Preparation
161221687130 承認済 OPERATING PROCEDURE Preparation Preparation Place the refractor head in front of the patient’s eyes. 1) Clean the forehead rest, face shields, and measuring windows beforehand. See "6 MAINTENANCE" (page 249). 2) Instruct the patient to lean against the forehead rest and look through the measuring win- dows.
Page 61: Standard Program Refraction
OPERATING PROCEDURE Standard Program Refraction Standard Program Refraction The RT-5100 includes two standard programs (Programs A and B) for full-corrected far value and pre- scription. See "8.8 Standard Programs" (page 272) for all test items in the standard programs. For Plus Package, standard program #7 obtaining full-corrected far value is equipped other than pro- grams A and B.
Page 62 No. of the lensmeter. See "2.2.2 From a lensmeter" (page 32). When the LM data is measured with the lensmeter not connected to the RT-5100, enter the data manually and press Refer to Steps 2 to 4 in "2.2.3 Manual data entry with the dial"...
Page 63 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction The aided visual acuity test starts and a chart is presented. Measure the aided visual acuity. Refer to Step 2 in "4.1.2 Aided Visual Acu- ity Test" (page 152). • Patients may wear their own glasses during the aided visual acuity test. Start subjective refinement.
Page 64 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Refine the spherical power with the red-green test. 1) Press The SPH +0.50 D lens is automatically added to fog the vision. The red-green chart is presented. When the cylindrical power is 0.00, the message whether the cross cylinder test is skipped or not appears.
Page 65 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction 2) Measure the cylindrical axis with the cross cylinder lens. Flipped cross cylinder: Ask the patient which is sharper, chart 1 presented by pressing or chart 2 pre- sented by pressing When chart 1 is sharper. ...
Page 66 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Measure the cylindrical power. 1) Press The cross cylinder lens axis changes. 2) Measure the cylindrical power with the cross cylinder lens. Follow the same procedure as 2) of Step 12. on the chart, go to the next red-green test. Refine the spherical power with the red- green test.
Page 67 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction The spherical power for the right eye is perfectly refined. Follow the same procedures as Steps 10 to 15 for the left eye. The spherical power for the left eye is per- fectly refined. Press Three short beeps are audible.
Page 68 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Perform the stereo test. 1) Press The polarizing filters are placed in the mea- suring windows. Right eye: 135°, Left eye: 45° The stereo test chart is presented. The fog which has been applied during the binocular balance test is automatically released.
Page 69 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Remove the refractor head and check the viewability or visual acuity with a trial frame as necessary. Select whether the near vision test is performed or not. 1) Press The “Near Vision test?” message appears. 2) Select whether the near vision test is performed or not.
Page 70 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Vertical lines Turn the dial clockwise in 1 increments until the lines appear equal. Same It is not necessary to change the addition powers. • When the patient cannot see the horizontal and vertical lines equally, change the addition power so that the horizontal lines appear sharper than the vertical ones.
Page 71: Program Day/Night
161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction 2.5.2 Program Day/Night Program is a program to determine the day full correction value based on the objective measure- ment data and then determine the night full correction value based on the day full correction value. Pressing during the program shows sample instructions to the patient.
Page 72 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Press Program starts. Perform measurement in Day mode. The left eye is occluded. The mode enters into the Subjective measurement mode. Start subjective refinement. 1) Confirm that the patient can read the presented chart. When the patient can read even one letter on the chart, go to the next red-green test.
Page 73 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction When the cylindrical power of the objective value is 0, proceeding the program displays the mes- sage “No Cylinder power. Skip the Cylinder test? Press [YES] or [NO].” Selecting “YES” skips Steps 6 and 7 and then proceeds to Step 8. •...
Page 74 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Measure the cylindrical power. 1) Press The cross cylinder lens axis changes. 2) Measure the cylindrical power with the cross cylinder lens. Follow the same procedure as 2) of Step 6. On the chart, go to the next red-green test. Refine the spherical power with the red-green test.
Page 75 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Turn the dial counterclockwise to add SPH +0.25 D. When the chart appears blur, turn the dial clockwise one increment. The spherical power for the right eye is perfectly refined. Press and follow the same procedures as Steps 4 to 9 for the left eye.
Page 76 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Perform the stereo test. 1) Press The polarizing filters are placed in the mea- suring windows. Right eye: 135°, Left eye: 45° The stereo test chart is presented. The fog which has been applied during the binocular balance test is automatically released.
Page 77 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Select whether the near vision test is performed or not. 1) Press Near Vision test? “ ” message appears. 2) Select whether the near vision test is performed or not. Perform the near vision test. ...
Page 78 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction • When the patient cannot see the horizontal and vertical lines equally, change the addition power so that the horizontal lines appear sharper than the vertical ones. • To continuously perform visual acuity test with addition powers, follow "4.1.3 Visual Acuity Test with Addition Powers"...
Page 79 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Enter Night mode and refine the spherical power with the red-green test. 1) Press The SPH +0.50 D lens is automatically added to fog the vision. The red-green chart is presented. When the cylindrical power is 0.00, the message whether the cross cylinder test is skipped or not appears.
Page 80 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction 2) Measure the cylindrical axis with the cross cylinder lens. Flipped cross cylinder: Ask the patient which is sharper, chart 1 presented by pressing or chart 2 pre- sented by pressing When chart 1 is sharper. ...
Page 81 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Refine the spherical power with the red-green test. 1) Press The SPH +0.50 D lens is automatically added to fog the vision. The red-green chart is presented. 2) Reduce fogging gradually until the sharpness of the letters on the red and green sides appears equal.
Page 82 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Perform the binocular balance test. Press The polarizing filters are placed in the mea- suring windows; ° ° Right eye: 135 , Left eye: 45 In the visual acuity of 20/20 or better, the vision is fogged automatically for easy bal- ance test when the “Fog for binocular bal- ance”...
Page 83 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Perform the stereo test. 1) Press The polarizing filters are placed in the mea- suring windows. Right eye: 135°, Left eye: 45° The stereo test chart is presented. The fog which has been applied during the binocular balance test is automatically released.
Page 84: Program #7 (Only For Plus Package)
161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction 2.5.3 Program #7 (only for Plus Package) Program #7 is a program to determine the best possible visual acuity with the most plus power based on the objective measurement data. Pressing during the program shows sample instructions to the patient. (The instruction may not appear depending on the test.
Page 85 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Press Program #7 starts. The left eye is occluded. The subjective refinement starts. Start subjective refinement. 1) Confirm that the patient can read the presented chart. When the patient can read even one letter on the chart, go to the next red-green test.
Page 86 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction When the cylindrical power of the objective value is 0, proceeding the program displays the mes- sage “No Cylinder power. Skip the Cylinder test?”. Selecting “YES” skips Steps 6 and 7 and then proceeds to Step 8.
Page 87 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction 1) Press The cross cylinder lens axis changes. 2) Measure the cylindrical power with the cross cylinder lens. Follow the same procedure as 2) of Step 6. On the chart, go to the next red-green test. Refine the spherical power with the red-green test.
Page 88 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Press and follow the same procedures as Steps 4 to 9 for the left eye. The spherical power for the left eye is per- fectly refined. Press Three short beeps are audible. Perform the binocular balance test. 1) Press The polarizing filters are placed in the mea- suring windows;...
Page 89 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Measure the best possible visual acuity for both eyes. 1) Press The isolated 20/20 line is presented. 2) Check the best possible visual acuity with 3) Refine the spherical power to achieve the best possible visual acuity with most plus power.
Page 90 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Enter the patient’s age. Select the age with the function buttons. If age is already input, go to Step 16. Go to Step 16 when the “Preset ADD” parameter is set to No. The refractor head converges.
Page 91 161221687130 承認済 OPERATING PROCEDURE Standard Program Refraction Check the near visual acuity. 1) Press The cross cylinder lenses are removed. Set the near point chart II A Letters chart at a position of 40 cm manually. 2) Measure the visual acuity chart for right eye, left eye, and both eyes.
Page 92: Chart Presentation
161221687130 承認済 OPERATING PROCEDURE Chart Presentation Chart Presentation 2.6.1 Chart selection Pressing the desired chart button at the right of the screen presents the corresponding chart. The selected chart is displayed at the center of the screen. When the SC series is connected, pressing the page change button at the top of the chart buttons changes the page.
Page 93: Visual Acuity Chart Mask Functions
161221687130 承認済 OPERATING PROCEDURE Chart Presentation 2.6.2 Visual acuity chart mask functions Press any mask key on the control box to use the mask functions. • The SC series displays the isolated segment in the Mask keys < > < > center of the screen instead of isolating the chart with mask functions.
Page 94 161221687130 承認済 OPERATING PROCEDURE Chart Presentation  How to isolate a single letter Press  The letter in the upper-right corner of the chart is isolated. Press  The letter in the upper-left corner of the chart is isolated. Press <.
Page 95 161221687130 承認済 OPERATING PROCEDURE Chart Presentation  How to release the mask and filter Pressing any chart button releases the applied mask or filter. Chart presentations with the mask keys (without Chart presentations with the mask keys (also with Uncontrolled copy when printed.
Page 96: Low Illumination, Glare Lamp, And Contrast Functions (Ssc Series)
161221687130 承認済 OPERATING PROCEDURE Chart Presentation 2.6.3 Low illumination, glare lamp, and contrast functions (SSC series) When the SSC-350, SSC-350CG, SSC-330U, or SSC-370 is connected, the following functions are available. Low illumination Glare lamp Contrast SSC-350T/M/ Available Unavailable Unavailable SSC-370T/UK/M SSC-370MG Available Available...
Page 97 161221687130 承認済 OPERATING PROCEDURE Chart Presentation : Switches the chart contrast in the order of 25%, 12.5%, 6%, and 100% (normal contrast). The contrast function makes it possible to test the visual acuity under low-contrast condi- tions (25%, 12.5%, 6%). This function can evaluate the visual function according to contrast sensitivity, which is not measured in the standard test, and can observe changes with time.
Page 98 161221687130 承認済 OPERATING PROCEDURE Chart Presentation Make the low illumination, glare lamp, or contrast function available according to the previous page. Press while pressing The VA field changes to the G.C.VA field. Test the right, left, and binocular VA. The measured VA, each function settings, SPH, CYL, and AXIS for the test are stored.
Page 99: Contrast Function, Night Mode, And Reverse Function (Sc Series)
161221687130 承認済 OPERATING PROCEDURE Chart Presentation 2.6.4 Contrast function, Night mode, and Reverse function (SC series) When the SC series is connected, such are displayed below the chart buttons as shown to the right. : Switches the chart contrast in the order of 25%, 12.5%, 6%, and 100% (normal contrast).
Page 100 161221687130 承認済 OPERATING PROCEDURE Chart Presentation : Switches between the low-light illumination and standard light illumination. (SC-1600 and SC-1600Pola only) The low-light illumination function makes it possible to test the visual acuity under night-time conditions. This function can test whether or not the subject can recognize the low-light chart (9 to 11 cd/m ) for reference to diagnose light sense disturbance.
Page 101: Power Adjustment (Final Fit)
Power Adjustment (Final Fit) The RT-5100 is provided with the following two functions. Auto adjustment function: The RT-5100 determines automatically the conditions such as LM data, flexibility (patient’s age), refractive error type (myopia, hyperopia, astigmatism, oblique astigmatism, anisometropia) and calculates the Final Fit value from the binocular full correction.
Page 102: Auto Adjustment Of Far Powers (With Program B)
161221687130 承認済 OPERATING PROCEDURE Power Adjustment (Final Fit) Select [High] or [Low]. The auto adjustment function calculates the Final Fit value. The bar graph appears during calculation. When calculation is completed, the Final Fit value is displayed as Final 1 and cor- rective lenses are placed in the measuring windows.
Page 103: Power Adjustment Without Standard Programs
161221687130 承認済 OPERATING PROCEDURE Power Adjustment (Final Fit) Select whether the LM data (glasses data) is entered or not. Without glasses  Press [No] and go to Step 4. With glasses  1) Press [Yes]. The LM data can be entered. 2) Enter the LM data manually.
Page 104: Fine Adjustment After Auto Adjustment (Semi-Auto Adjustment)
*20. The RT-5100 stores up to five final prescription data. When the data whose prescription number is 6 or later is stored, the prior data is deleted from Final 2. The Final 1 data (auto-adjustment) is not deleted.
Page 105 161221687130 承認済 OPERATING PROCEDURE Power Adjustment (Final Fit)  How to adjust the data manually after auto adjustment 1) Press [Final 1]. 2) Press [Copy]. The Final 1 data is copied to Final 2. 3) Adjust the copied data manually. 4) Compare the viewability with [Final 1] and [Final 2].
Page 106: Printing
161221687130 承認済 OPERATING PROCEDURE Printing Printing Data is printed with . When the “Print list” parameter is set to “Yes”, pressing displays data list. Pressing again prints the data list. The contents of the printout can be selected with the “Print format” parameter. See "3.19 Parameter Settings"...
Page 107 161221687130 承認済 OPERATING PROCEDURE Printing • When a measurement is performed based on the day and night data from the ARK- 10000 or OPD-Scan III, "For day" or "For night" is printed on the first line accordingly for the type of data. •...
Page 108: Printing With Qr Code
161221687130 承認済 OPERATING PROCEDURE Printing 2.8.1 Printing with QR code The final data (subjective or prescription data) is printed as a QR code. • If paper is rounded, QR code may not be identified. Smooth out paper before reading. • For details of printed QR code, ask NIDEK or your authorized distributor for the QR code manual in which the specifications is described.
Page 109 161221687130 承認済 OPERATING PROCEDURE Printing  When the “QR code” parameter is set to “QR2”, all entered data and QR code of final data are printed. See Figure 2. Figure 2 Uncontrolled copy when printed.
Page 110: Printing 21 Point Exams Result (Only For Plus Package)
161221687130 承認済 OPERATING PROCEDURE Printing 2.8.2 Printing 21 Point Exams result (only for Plus Package) For the Plus Package, result of each exams can be printed with 21 Point Exams No. In addition, Visual function analysis Graph and Morgan’s criterion comparison result can also be printed. Select whether to print these result or not with the parameter setting.
Page 111 161221687130 承認済 OPERATING PROCEDURE Printing Printout sample of when the “Print format 2” parameter is set to “Standard”: Prism value and SPH adjustment value that satisfies the Sheard’s criterion Prism value and SPH adjustment value that satisfies the Percival’s criterion Phoria indication: Exo.: exophoria Eso.: esophoria...
Page 112 161221687130 承認済 OPERATING PROCEDURE Printing  ON/OFF of printing of the Morgan’s criterion compared result Whether or not to print the comparison result of the Morgan’s criterion can be set with the “Print Mor- gan’s System” parameter. No The compared result with the criterion is not printed. Yes The compared result with the criterion is printed.
Page 113: Advanced Features
161221687130 承認済 ADVANCED FEATURES This section explains useful features of the RT-5100. To show measured data by a list   3.2 Data List (Page 97) To display the refraction diagram   3.3 Displaying Refraction Diagram (Page 99) To present the near chart ...
Page 114: Presenting Screen To Patient
(Page 147) Presenting Screen to Patient The RT-5100 can show various images to the patient when the display is tilted to the patient’s side. When the display is tilted, the screen image flips automatically for the patient’s easy view. Uncontrolled copy when printed.
Page 115: Data List
161221687130 承認済 ADVANCED FEATURES Data List Data List All measured data can be displayed by a list. Select [Data List]. 1) Call up the main menu screen. Press 2) Press [Data List]. Select the desired data. Select the data with the function button. [FAR] displays the list of far point data.
Page 116 161221687130 承認済 ADVANCED FEATURES Data List [Others 2] displays the PH VA, L-illu. VA, subjective data, prescription data, contact lens conversion value , and data for trial lens. PH VA: VA value using pin hole L-illu.VA: VA value of day data with the brightness for Night mode [Others 3] displays Contrast VA and ETDRS VA.
Page 117: Displaying Refraction Diagram
ADVANCED FEATURES Displaying Refraction Diagram Displaying Refraction Diagram The RT-5100 is equipped with the eye message function to show the eye condition with the refraction diagram on the basis of the subjective SPH and CYL value. This function can be used to explain the eye refraction condition to the patient.
Page 118 161221687130 承認済 ADVANCED FEATURES Displaying Refraction Diagram • In contrast to the measurement screen, the left eye data is displayed on the left and the right eye data is displayed on the right. • The Eye Message screen is displayed based on the subjective value (complete correction power).
Page 119 161221687130 承認済 ADVANCED FEATURES Displaying Refraction Diagram  List display of the Refraction Diagram Pressing [Ametro.] on the Eye Message screen of 3) in Step 1 displays the eight types of refraction dia- grams in the list. Pressing the refraction diagram displays the enlarged diagram and the refraction diagram cor- rected with glasses.
Page 120: Presenting Near Chart
161221687130 承認済 ADVANCED FEATURES Presenting Near Chart Presenting Near Chart Near chart can be presented on the display. Call up the main menu screen. Press Display the Near Chart screen. Press [Vision Test]. Select the desired chart to be displayed with the function button.
Page 121: Range Of Clear Vision
161221687130 承認済 ADVANCED FEATURES Range of Clear Vision Range of Clear Vision The range of clear vision can be checked based on the measurement value. Call up the main menu screen. Press Display the Range of Clear Vision test screen. Press [Range of Clear Vision].
Page 122 161221687130 承認済 ADVANCED FEATURES Range of Clear Vision  Explanation of the Range of Clear Vision screen (6) [Vision] (7) [Accommodation] (8) [LM] (9) [Subjective value] (10) [Final prescription] (11) [Final prescription*] (12) [ ] (13) [ (1) Graph for (5) Image for range of clear vision range of clear vision...
Page 123 161221687130 承認済 ADVANCED FEATURES Range of Clear Vision 3. Yellow portion of the graph ( Clearly visible area using an accommodation between two-thirds and full 4. Blue letter: The position where half of the accommodation is used (distance from the eye, unit: cm) 5.
Page 124 161221687130 承認済 ADVANCED FEATURES Range of Clear Vision (6) [Vision] Displays the image as viewed through the selected lens. Function keys at the bottom of the screen allow visions for other lens types to be displayed and compared. Press [ ] to return to the Range of Clear Vision screen.
Page 125 161221687130 承認済 ADVANCED FEATURES Range of Clear Vision (10) [Final prescription] Displays the graph for the range of clear vision for the input final value. The WD calculated while the graph for the range of clear vision is displayed is entered as the WD in FINAL mode.
Page 126: Changing Power While Checking The Range Of Clear Vision
161221687130 承認済 ADVANCED FEATURES Range of Clear Vision 3.5.1 Changing power while checking the range of clear vision When [Fin*] is selected in the Range of Clear Vision screen, SPH, CYL, ADD, and WD values can be changed. The change in value is reflected in the graph for range of clear vision. Adjust the value to change the graph for range of clear vision suits patient’s needs.
Page 127 161221687130 承認済 ADVANCED FEATURES Range of Clear Vision After adjusting the power, press return to the measurement screen. The value adjusted with the Range of Clear Vision test screen is set to [Fin*]. When checking the near power, press The refractor head converges to the changed working distance. •...
Page 128: Displaying Image Information For Explanation
161221687130 承認済 ADVANCED FEATURES Displaying Image Information for Explanation Displaying Image Information for Explanation Various diagrams for explanation to the patient can be displayed. 3.6.1 Image information “About Eye” Refraction diagrams, Eye balls, and Vision diagrams used for explanation to the patient can be dis- played.
Page 129 161221687130 承認済 ADVANCED FEATURES Displaying Image Information for Explanation Display the Eye ball. Display the Vision diagram. These vision images are classified by type of visual impairment. Pressing [Menu] returns to the main menu screen. Pressing [ ] returns to the Menu screen of the About Eye screen. Uncontrolled copy when printed.
Page 130: Image Information "Vision
161221687130 承認済 ADVANCED FEATURES Displaying Image Information for Explanation 3.6.2 Image information “Vision” This is to display for informing and advising the patient as to which lens to select according to the pur- pose of use. Call up the main menu screen. Press Display the Vision screen.
Page 131: Setting Auxiliary Lenses
161221687130 承認済 ADVANCED FEATURES Setting Auxiliary Lenses Setting Auxiliary Lenses Auxiliary lenses are automatically placed according to a selected chart. However, other lenses can also be set as follows: * The lens power for retinoscope (+1.5/+2.0) can be switched and set the fog amount for both eyes open.
Page 132 161221687130 承認済 ADVANCED FEATURES Setting Auxiliary Lenses [6U]: Base up prism of 6 [10I]: Base in prism of 10 ]: Right eye: Horizontal maddox rod, Left eye: Open aperture ]: Right eye: Open aperture, Left eye: Vertical maddox rod ]: Pinhole plate (2 mm in diameter) : Break prism of binocular balance The prism value can be changed with the following [+] and [-].
Page 133: Fog Function With Both Eyes Open
161221687130 承認済 ADVANCED FEATURES Fog Function with Both Eyes Open Fog Function with Both Eyes Open A single eye can be tested while both measuring windows are open. Press the auxiliary lens display at the top of the measurement screen to display the Auxiliary Lenses window.
Page 134: Specifying Sub Window Display Data
161221687130 承認済 ADVANCED FEATURES Specifying Sub Window Display Data Specifying Sub Window Display Data Items to be displayed in sub window 1 and 2 can be specified. When no item is specified, the measurement data previously set in sub window 1 and measurement data set prior to previous one is displayed in sub window 2.
Page 135: Changing Id No
161221687130 承認済 ADVANCED FEATURES Changing ID No. 3.10 Changing ID No. The ID No. at the top of the printout can be changed. However, when the “AR port” parameter is set to “HDR”, ID No. cannot be changed. When the “AR port” parameter is set to other than “HDR”, and ID No. is input from a computer, ID No. is locked and cannot be changed.
Page 136: Age Input
161221687130 承認済 ADVANCED FEATURES Age Input 3.11 Age Input A patient’s age can be input with the following procedure. The input age data is used for Preset ADD, Morgan analysis criterion adjustment power calculation, and range of clear vision [Accom.]  [Age]. The age is printed and exported to a computer. Press the right side switch of the control box.
Page 137: Calling Up Data
161221687130 承認済 ADVANCED FEATURES Calling Up Data 3.12 Calling Up Data 3.12.1 Calling up measurement data The RT-5100 stores the last 50 measurement data. The data can be displayed. Display the Recall Data screen. 1) Press 2) Press Select the desired data.
Page 138: Link Off Function
161221687130 承認済 ADVANCED FEATURES Link Off Function 3.13 Link Off Function This function prevents auxiliary lenses or mode (S/C/A) from being switched automatically when a chart is changed. Press the left side switch of the control box. The Chart Controls window appears. Press [Link off].
Page 139: Programming
161221687130 承認済 ADVANCED FEATURES Programming 3.14 Programming The RT-5100 has six programs of A, B, C, D, E, and The standard program has already been written in Programs A, B, and .as factory setting. Pro- grams C, D, and E are empty. All programs (A, B, C, D, E, and ) are programmable.
Page 140 161221687130 承認済 ADVANCED FEATURES Programming 2) Press [Others]. [Setting of 21 Point Exams] is only for Plus Package. 3) Press [Programming]. Select the program to be cleared. [#7] is only for Plus Package Press either of [A], [B], [C], [D], [E], or [#7].
Page 141: Programming
161221687130 承認済 ADVANCED FEATURES Programming 3.14.2 Programming To program Program A, B, , or #7, set the Program A, Program B, Program , or Program #7 parameters to “User” beforehand (Program #7 is only for Plus Package). Display the Programming screen. 1) Call up the main menu screen.
Page 142 161221687130 承認済 ADVANCED FEATURES Programming The contents of the selected program are displayed. (When the program is empty, each step button is blank.) Select the step button to be written or changed. Pressing the desired button displays the input screen. Select the desired chart to be programmed.
Page 143 161221687130 承認済 ADVANCED FEATURES Programming • The cross cylinder setting cannot be selected between Flipped and Auto. Set the lens type with the “Cross cylinder (XC) test” parameter (see page 134). • The fog function can be added with both eyes open. Set the fog according to "3.8 Fog Function with Both Eyes Open"...
Page 144: Operating Programs
161221687130 承認済 ADVANCED FEATURES Programming 3.14.3 Operating programs The charts are presented in the programmed order. Select the program to be used with Start the program. Press The first chart in the program is presented and the refractor head is set as programmed. Present the next chart.
Page 145: Importing Or Exporting Programs
, and #7 can be imported or exported from/to a CF card in the control box. (Program #7 is only for the Plus Package) • Program data written with Program RT-5100 cannot be read with Plus Package. • Program data written with Plus Package cannot be read with RT-5100.
Page 146: Entering Comments
161221687130 承認済 ADVANCED FEATURES Entering Comments 3.15 Entering Comments Comments such as shop name can be printed together with the measured data. Up to 24 characters can be entered in a line. Two lines are available for a total of 48 characters. Display the Comments screen.
Page 147: Setting Time And Date
161221687130 承認済 ADVANCED FEATURES Setting Time and Date 3.16 Setting Time and Date The clock in the RT-5100 can be adjusted. • The time and date cannot be set during elapsed time display. Display the Adjust Clock screen. 1) Call up the main menu screen.
Page 148 161221687130 承認済 ADVANCED FEATURES Setting Time and Date Press the item to be adjusted. The numeric keypad appears. Enter the desired number with the numeric keypad and press [Enter]. Repeat Steps 2 and 3 until the time and date are set. Return to the normal measurement screen.
Page 149: Controlling Backlight Brightness
161221687130 承認済 ADVANCED FEATURES Controlling Backlight Brightness 3.17 Controlling Backlight Brightness Controls the control box screen brightness. Display the Brightness Control windows. Press the right side switch of the control box while pressing Control the (normal) screen brightness in Day mode. Control the brightness with [] or [].
Page 150: Touch-Screen Panel Calibration
161221687130 承認済 ADVANCED FEATURES Touch-screen Panel Calibration 3.18 Touch-screen Panel Calibration The touch-screen panel is calibrated. When incorrect responses from the touch-screen panel are received, the detection point of the touch- screen panel may shift from the pressure point of the touch-screen pen. In this case, calibrate the touch-screen panel.
Page 151: Parameter Settings
161221687130 承認済 ADVANCED FEATURES Parameter Settings 3.19 Parameter Settings 3.19.1 Parameter Settings Display the parameter setting screen. 1) Call up the main menu screen. Press 2) Press [Para.]. Display the page in which the parameter to be changed is displayed with [Back] or [Next].
Page 152 161221687130 承認済 ADVANCED FEATURES Parameter Settings  Detailed parameter options SPH step: 0.12 D, 0.25 D Factory setting: 0.25 D Setting for the increment to adjust sphere values. Selectable between 0.12 D and 0.25 D. CYL mode: –, + Factory setting: – Setting for the cylinder reading.
Page 153 161221687130 承認済 ADVANCED FEATURES Parameter Settings ±0.25D ±0.25 D cross cylinder lens ±0.50D ±0.50 D cross cylinder lens ○ Switches ±0.25D cross cylinder lens and open alternately. (When in AXIS mode, the ±0.25D/ lens cannot be changed) XC mode S.E fix: Yes, No Factory setting: Yes Selection of whether or not to adjust sphere values for maintaining the spherical equivalency in the cross cylinder test.
Page 154 161221687130 承認済 ADVANCED FEATURES Parameter Settings Fog for binocular balance: Yes, No Factory setting: Yes Selection of whether or not to fog the vision automatically so that the patient’s visual acuity become 20/ 30 to 20/20. VA format: Normal Factory setting: Normal Selection of the VA value display and print format.
Page 155 161221687130 承認済 ADVANCED FEATURES Parameter Settings Standard accommodation power display (only for Plus Package): Morgan, Hofstetter, No Factory setting: No Setting for the standard accommodation power to be displayed in the # 19 Near point of accommoda- tion (NPA) window and the #19 Accommodation with addition of minus lens window. Morgan...
Page 156 Print TL data: Yes, No Factory setting: No Selection of whether or not to print trial lens (TL) data for the final prescription. When the RT-5100 has no final prescription, the TL data for subjective data is printed. Clear confirmation: Yes, No...
Page 157 161221687130 承認済 ADVANCED FEATURES Parameter Settings Print format (for Plus Package, Print format 1): All data, w/o AR, Unaided, Subj, Final Factory setting: All data Setting for the contents to be printed. All  All data w/o AR  All data except AR data U.S.F.
Page 158 161221687130 承認済 ADVANCED FEATURES Parameter Settings Program A: Fix, User Factory setting: Fix Selection of whether to use the default Program A or user-programmed one. Set the parameter to User when Program A is reprogrammed. The default Program A can be used by resetting to Fix and press- ing the Clear button or turning on the power again.
Page 159 161221687130 承認済 ADVANCED FEATURES Parameter Settings Preset power of Subj 2: All data, CYL=0, Clear Factory setting: All data Selection of whether or not to use the data entered in the Preset power of Subj 1 parameter without being corrected. All data ...
Page 160 Memory Calls up AR or LM data from the optional memory box. No  Calls up AR or LM data only once without pressing the print button from the auto refractometer or lensmeter connected to the RT-5100 with the cable directory. AR port: AR, ARK, RKT, WF(OPD), HDR Factory setting: AR Setting for the device to be connected to the AR connector in the relay box.
Page 161 Pass  Overwrites and clears the data already displayed in the RT-5100 when another data is imported from the PC. * When the RT-5100 has no data, it functions as the same as Pass regardless of this parameter setting. Uncontrolled copy when printed.
Page 162 No  No daisy chain Server  Daisy-chains the RT-5100 as a server. The AR or LM data of the auto refractometer or lensmeter can be sent connected to the server to the other client RT-5100. Client 1 to 4  Daisy-chains the RT-5100 as a client.
Page 163: Writing/Reading Parameter Setting
3.19.2 Writing/Reading parameter setting The parameter settings can be wrote to or read from a CF (Compact Flash) card. • The parameter setting written with the standard RT-5100 cannot be read with the Plus Package. • The parameter setting written with the Plus Package cannot be read with the standard RT- 5100.
Page 164: Clearing Stored Data
161221687130 承認済 ADVANCED FEATURES Clearing Stored Data 3.20 Clearing Stored Data All AR and LM data stored in the relay box are cleared. Press The Data No. of the last data read from an auto refractometers lensmeter appears. Change the Data No. to 0. Turn the dial until the displayed Data No.
Page 165: Exporting Data To Computer Or Opd-Scan
Follow Steps 1 to 4 to export the data again. If measured data on the RT-5100 has been cleared upon printing, call up data as described in “3.12 Calling Up Data”, and then export the data.
Page 166: Exporting Data To Eye Care Card
Eye Care card in advance. By inserting the Eye Care card into the Eye Care card reader of the control box, the data stored in the card is read by the RT-5100 and cleared from the card at the same time.
Page 167 161221687130 承認済 ADVANCED FEATURES Exporting Data to Eye Care Card Measure with the RT-5100. The data must be entered into either of Unaided, LM, AR, Subj, or Final. Press the right side switch of the control box. The Other Settings window appears.
Page 168: Displaying Images (Sc Series)
161221687130 承認済 ADVANCED FEATURES Displaying Images (SC series) 3.23 Displaying Images (SC series) The images in the SC series can be displayed on the SC LCD. Pressing displays the third page of the chart buttons. The image operation buttons such as are displayed in the upper-right of the screen.
Page 169: Test Method
161221687130 承認済 TEST METHOD Visual Acuity Test 4.1.1 Unaided Visual Acuity Test Press The unaided visual acuity (VA) test starts. Press The left measuring window is occluded. According to the entered AR data, the esti- mated VA chart is presented automati- cally.
Page 170: Aided Visual Acuity Test
161221687130 承認済 TEST METHOD Visual Acuity Test 4.1.2 Aided Visual Acuity Test The aided VA can be measured when LM data is entered. Press The aided VA test starts. According to the LM data, the corrective lenses are placed in the measuring windows. Press to test the right, left, and binocular VA.
Page 171: Visual Acuity Test With Addition Powers
161221687130 承認済 TEST METHOD Visual Acuity Test 4.1.3 Visual Acuity Test with Addition Powers The VA can be measured with addition powers when the addition powers are entered. Measure the addition powers. See Steps 23 to 25 in Page 51. Pull down the near point rod and set the near point chart.
Page 172: Visual Acuity Test Using Pin Hole
161221687130 承認済 TEST METHOD Visual Acuity Test When any of the operations below is performed, Add power VA measurement mode is finished. Press Switches to the other mode (S/C/A etc.) 4.1.4 Visual Acuity Test using pin hole The VA can be measured using pin hole of the auxiliary lens. Press The pin hole of the auxiliary lens is set.
Page 173: Va Measurement Of Day Data In Brightness For Night Mode
161221687130 承認済 TEST METHOD Visual Acuity Test 4.1.6 VA measurement of day data in brightness for Night mode Measure VA in night mode with the day corrective lens inserted. This data can be used as reference when the day glasses are used in night. •...
Page 174: Astigmatism Test
Present the astigmatism clock dial chart. Press . The RT-5100 goes into CYL mode. When the cylinder value is not 0, change it to 0. Fog the vision until the VA becomes about 20/200. 1) Press to go into SPH mode.
Page 175: Astigmatism Test With Cross Cylinder Lens
See "4.3.1 Red-green test" (page 161). Present the dots chart. Press The RT-5100 goes into AXIS mode. The cross cylinder lens is set. Measure the cylindrical axis. See 2) of Step 12 of "2.5.1 Program A" (page 43). Go into CYL mode.
Page 176: Astigmatism Power Test With Cross Cylinder Lens (Hold And Remove Cross Cylinder Testing Method)
161221687130 承認済 TEST METHOD Astigmatism test • When measuring the CYL power using cross cylinder, if CYL=0 and the dial is turned to+ direction, the AXIS is shifted 90° to be the same power as when +CYL is added and CYL and SPH are changed. In this case, “Axis has been changed by 90°...
Page 177 161221687130 承認済 TEST METHOD Astigmatism test Enter CYL mode. Press the C button. The cross cylinder axis is changed. Press the cross cylinder lens switching but- ton to set ±0.25/ “ “ When the “Cross cylinder” parameter set- ting is “±0.25D/ “, the cross cylinder lens does not need to be switched.
Page 178 161221687130 承認済 TEST METHOD Astigmatism test When the cross cylinder lens is inserted When the cross cylinder lens is removed When the chart is seen sharper while the cross cylinder lens is removed, this test is fin- ished. Uncontrolled copy when printed.
Page 179: Spherical Refinement
Present the red-green chart. Press The RT-5100 goes into SPH mode. Fog the vision. Turn the dial counterclockwise two increments to add SPH + 0.50 D. Reduce fogging gradually until the sharpness of the letters on the red and green sides appears equal.
Page 180: Cross Grid Test For Far Vision
161221687130 承認済 TEST METHOD Spherical Refinement 4.3.2 Cross grid test for far vision Use: Spherical refinement Chart: Cross-grid Applicable model: CP series T, P, F, SC series T and P Auxiliary lens: ±0.50 D cross cylinder lens (Fixed with the axis set at 90º.) Ideal appearance: The sharpness of the horizontal and vertical lines appears equal.
Page 181: Binocular Visual Function Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test Binocular Visual Function Test 4.4.1 Binocular balance test Use: To adjust the accommodation balance if necessary when the best possible visual acuity is equal in the right and left eyes. Chart: Binocular balance Auxiliary lens: Right eye 135°, left eye 45°, polarizing filters (SC-2000, SC-1600: 3BD to the right eye, 3BU to the left eye Prism value can be changed.
Page 182 , or The polarizing filters are placed in the measuring windows. (The prisms are entered for the SC-2000, SC-1600.) The RT-5100 goes into SPH mode. Fog the binocular vision. Press and turn the dial counterclockwise so that the binocular VA becomes between 20/30 and 20/25.
Page 183: Binocular Red-Green Test
The polarizing filters are placed in the measuring windows. (The prisms are placed for the SC-2000, SC-1600.) The RT-5100 goes into SPH mode. Ask the patient, “How do the four numbers and double circles appear?”. (a) The sharpness of all four double circles are equal.
Page 184: Phoria Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.3 Phoria test Use: To detect exophoria, esophoria, hypophoria, and hyperphoria Chart: Phoria Auxiliary lens: Right eye 135°, left eye 45°, polarizing filters, binocular rotary prism (SC-2000, SC-1600: Red filter on the right eye, green filter on the left eye, binocular rotary prism) ...
Page 185 161221687130 承認済 TEST METHOD Binocular Visual Function Test Appearance of Phoria Correction chart <1> Turn the dial clockwise to add the BO prism powers until Esophoria a cross is formed. <2> Turn the dial counterclockwise to add the BI prism Exophoria powers until a cross is formed.
Page 186 161221687130 承認済 TEST METHOD Binocular Visual Function Test  Types G, G+, T, and F Ideal appearance: Right eye Left eye Binocular vision (Orthophoria) [Procedure example] Present the phoria chart. Press The polarizing filters are placed in the measuring windows. (The red and green filters are placed for the SC-2000, SC-1600.) The base in/out prism powers can be entered.
Page 187 161221687130 承認済 TEST METHOD Binocular Visual Function Test Appearance of Phoria Correction chart <1> Turn the dial clockwise to add the BO prism powers until Esophoria a cross is formed. <2> Turn the dial counterclockwise to add the BI prism Exophoria powers until a cross is formed.
Page 188: Phoria With Fixation Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.4 Phoria with fixation test Use: To detect heterophoria by giving stimuli for fusion Chart: Phoria with fixation Applicable model: CP series T, U, ISO, and M / SSC-330 (300) U / SSC-350 T and TCG / SC series T, M, and UK Auxiliary lens: Right eye 135°, left eye 45°, polarizing filters, binocular rotary prism (SC-2000, SC-1600: Red filter on the right eye, green filter on the left eye, binocular rotary prism)
Page 189 161221687130 承認済 TEST METHOD Binocular Visual Function Test Ask the patient, “Is the top bar shifted to the left or right?” Right  Esophoria Left  Exophoria Ask the patient, “Do the horizontal bars line up?” Yes  No hyperphoria nor hypophoria No ...
Page 190: Mallet Test (Horizontal Phoria)
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.5 Mallet test (horizontal phoria) Use: To detect heterophoria by giving stimuli for fusion Chart: Mallet (vertical bars) Applicable model: CP-770PhM, SC series PhM Auxiliary lens: Right eye 135°, left eye 45°, polarizing filters, binocular rotary prism (SC-2000, SC-1600: Red filter on the right eye, green filter on the left eye, binocular rotary prism) Ideal appearance: Right eye...
Page 191: Mallet Test (Vertical Phoria)
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.6 Mallet test (vertical phoria) Use: To detect heterophoria by giving stimuli for fusion Chart: Mallet (horizontal bars) Applicable model: CP-770PhM, SC series PhM Auxiliary lens: Right eye 135°, left eye 45°, polarizing filters, binocular rotary prism (SC-2000, SC-1600: Red filter on the right eye, green filter on the left eye, binocular rotary prism) Ideal appearance: Right eye...
Page 192: Von Graefe Test (Horizontal Phoria)
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.7 Von Graefe test (horizontal phoria) Use: To detect horizontal phoria Chart: Vertical line Applicable model: CP series U and M / SSC-330 (300) U / SSC-350 M / SC series M [For the other types, use the highest VA letter chart or the letter chart which is little higher than the patient’s VA.] Auxiliary lens: 6BU to the right eye, rotary prism to the left eye Ideal appearance:...
Page 193 161221687130 承認済 TEST METHOD Binocular Visual Function Test Appearance of chart Phoria Correction <1> The upper column is on the left. Turn the dial clockwise to add the BO prism Esophoria powers until the two columns line up. <2> The upper column is on the right. Turn the dial counterclockwise to add the BI Exophoria prism powers until the two columns line up.
Page 194: Von Graefe Test (Vertical Phoria)
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.8 Von Graefe test (vertical phoria) Use: To detect vertical phoria Chart: Horizontal line Applicable model: CP series U and M / SSC-330 (300) U / SSC series M / SC series M [For the other types, use the highest VA letter chart or the letter chart which is little higher than the patient’s VA.] Auxiliary lens: Rotary prism to the right eye, 10BI to the left eye Ideal appearance:...
Page 195 161221687130 承認済 TEST METHOD Binocular Visual Function Test Appearance of Phoria Correction chart <1> The left row is higher. Right eye Turn the dial counterclockwise until the two rows line up. hyperphoria <2> The right row is higher. Left eye Turn the dial clockwise until the two rows line up.
Page 196: Maddox Test (Horizontal Phoria)
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.9 Maddox test (horizontal phoria) Use: To detect horizontal phoria Chart: Fixation Auxiliary lens: Horizontal maddox rod to the right eye, rotary prism to the left eye Ideal appearance: Right eye Left eye Binocular vision (Orthophoria) Present the fixation chart.
Page 197: Maddox Test (Vertical Phoria)
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.10 Maddox test (vertical phoria) Use: To detect vertical phoria Chart: Fixation Auxiliary lens: Rotary prism to the right eye, vertical maddox rod to the left eye Ideal appearance: Right eye Left eye Binocular vision (Orthophoria) Present the fixation chart.
Page 198 161221687130 承認済 TEST METHOD Binocular Visual Function Test • The rotary prism lenses are removed from the measuring windows when the already selected button is pressed again in prism mode. ex.When is pressed in the base up/down prism, the rotary prism lenses are removed. •...
Page 199: Vertical Coincidence Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.11 Vertical coincidence test Use: To detect aniseikonia and to correct vertical phoria Chart: Vertical coincidence Applicable model: CP series T, U, P, F, ISO, and M / SSC-330 (300) T and U / SC series G, G+, T, M, and P Auxiliary lens: Right eye 135°, left eye 45°, polarizing filters, binocular rotary prism (SC-2000, SC-1600: Red filter on the right eye, green filter on the left eye)
Page 200 161221687130 承認済 TEST METHOD Binocular Visual Function Test  Vertical phoria correction Present the vertical coincidence chart. Press The polarizing filters are placed in the measuring windows. (The red and green filters are placed for the SC-2000, SC-1600.) The base up/down prism powers can be entered. Ask the patient, “Can you see a square with a dot in the center? Are the left and right frames aligned? Or, is one higher than the other?”...
Page 201: Horizontal Coincidence Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.12 Horizontal coincidence test Use: To detect aniseikonia and to correct horizontal phoria Chart: Horizontal coincidence Applicable model: CP series P and F/SC series P/SC-1600Pola G+ Auxiliary lens: Right eye 135°, left eye 45°, polarizing filters, binocular rotary prism (SC-2000, SC-1600: Red filter on the right eye, green filter on the left eye) Ideal appearance: Binocular vision...
Page 202 161221687130 承認済 TEST METHOD Binocular Visual Function Test  Horizontal phoria correction Present the horizontal coincidence chart. Press The polarizing filters are placed in the measuring windows. (The red and green filters are placed for the SC-2000, SC-1600.) The base in/out prism powers can be entered. Ask the patient, “Can you see a square with a dot in the center? Are the top and bottom frames aligned? Or, is one to the left or right of the other?”...
Page 203: Schober Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.13 Schober test Use: To correct heterophoria Chart: Schober Applicable model: CP series T, P, and F, and ISO / SSC-330 (300) T / SC series G, G+, T and P Auxiliary lens: Red filter on the right eye, green filter on the left eye, binocular rotary prism Ideal appearance: Right eye Left eye...
Page 204 161221687130 承認済 TEST METHOD Binocular Visual Function Test Ask the patient, “Is the cross shifted upward or downward?” Upward  Left eye hyperphoria Downward  Right eye hyperphoria The cross is in the center.  No vertical phoria When the cross is shifted from the center, correct it as follows: Appearance of Phoria Correction...
Page 205: Stereo Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.14 Stereo test For SSC-350T and TCG Use: To detect stereoscopic vision Chart: Stereo Auxiliary lens: None Ideal appearance: 40 cm 12 cm 25 cm Present the stereo chart. Press Confirm that the patient can see the nine black dots arrayed in three lines with one dot from each line at a different depth.
Page 206 161221687130 承認済 TEST METHOD Binocular Visual Function Test  Stereo test (triangle test) Use: To detect exophoria or esophoria Chart: Stereo triangle Applicable model: SC Pola series G+ Auxiliary lens: Right eye 135º, left eye 45º, polarizing filters Ideal appearance: Right eye Left eye Binocular ideal...
Page 207 161221687130 承認済 TEST METHOD Binocular Visual Function Test  Precise four-line stereo test Use: To detect stereoscopic vision Chart: Stereo four lines Applicable model: SC Pola series G+ Auxiliary lens: Right eye 135º, left eye 45º, polarizing filters Ideal appearance: Right eye Left eye Binocular ideal...
Page 208 161221687130 承認済 TEST METHOD Binocular Visual Function Test  Stereo balance test Use: To test prevalency of the eye Chart: Stereo balance Applicable model: SC Pola series G+ Auxiliary lens: Right eye 135º, left eye 45º, polarizing filters Ideal appearance: Right eye Left eye Binocular ideal...
Page 209 161221687130 承認済 TEST METHOD Binocular Visual Function Test For the other types Use: To detect stereoscopic vision Chart: Stereo Auxiliary lens: Right eye 135°, left eye 45°, polarizing filters (SC-2000, SC-1600: Red filter on the right eye, green filter on the left eye) Ideal appearance: Right eye Left eye...
Page 210: Worth Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.15 Worth test Use: To detect fusion and suppression Chart: Worth Auxiliary lens: Red filter on the right eye and green filter on the left eye Ideal appearance: Right eye Left eye Binocular ideal Green Pink or Red/Green...
Page 211: Pointer Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.16 Pointer test Use: To measure cyclophoria Chart: Pointer Applicable model: SC Pola G+ Auxiliary lens: Right eye 135º, left eye 45º, polarizing filters Ideal appearance: Right eye Left eye Binocular ideal (No fixation disparity) Present the pointer chart.
Page 212: Double Pointer Test
161221687130 承認済 TEST METHOD Binocular Visual Function Test 4.4.17 Double pointer test Use: To test fixation disparity Chart: Double pointer Applicable model: SC Pola series G+ Auxiliary lens: Right eye 135º, left eye 45º, polarizing filters Ideal appearance: Right eye Left eye Binocular ideal (No fixation disparity)
Page 213 161221687130 承認済 TEST METHOD Binocular Visual Function Test Appearance of Phoria Correction chart Both hands angled uniformly Dysfunction of extraocular muscle is Functional suspected. Correction with glasses is not cyclophoria possible. One hand angled This may occur at the time of oblique astigmatism correction or due to optical cause.
Page 214: Divergence Test
161221687130 承認済 TEST METHOD Divergence Test Divergence Test Use: To test divergence ability of the eye Chart: Vertical line Applicable model: CP series U and M / SSC-330 (300) U / SSC series M / SC series M [For other types, use the highest VA letter chart or the letter chart which is little higher than the patient’s VA.] Auxiliary lens: Binocular rotary prism For Plus Package, see "5.2.4 #11 Divergence (Far), #17 Divergence (Near)"...
Page 215 161221687130 承認済 TEST METHOD Divergence Test Press [Break] when the chart appears dissociated. The prism powers are stored as break point. The [Break] indication is highlighted. It means that the prism powers have been entered. When highlight [Break] is pressed again, the entered prism powers are cleared. Turn the dial clockwise to reduce the BI prism powers from both eyes until the chart appears one again.
Page 216: Convergence Test
161221687130 承認済 TEST METHOD Convergence Test Convergence Test Use: To test convergence ability of the eye Chart: Vertical line Applicable model: CP series U and M / SSC-330 (300) U / SSC series M / SC series M [For other types, use the highest VA letter chart or the letter chart which is little higher than the patient’s VA.] Auxiliary lens: Binocular rotary prism For the Plus Package, see "5.2.5 #9,10 Convergence (Far), #16 Convergence (Near)"...
Page 217 161221687130 承認済 TEST METHOD Convergence Test Press [Break] when the chart appears dissociated. The prism powers are stored as break point. The [Break] indication is highlighted. It means that the prism powers have been entered. When highlighted [Blur] is pressed again, the entered prism powers are cleared. Turn the dial counterclockwise to reduce the BO prism powers from both eyes until the chart appears one again.
Page 218: Supravergence Test For Final Prescription (Only For Plus Package)
161221687130 承認済 TEST METHOD Supravergence Test for Final Prescription (only for Plus Package) Supravergence Test for Final Prescription (only for Plus Package) Use: Supravergence test for final prescription Chart: Horizontal line Auxiliary lens: Binocular rotary prism Press [Final]. To perform this test, final prescription must be entered beforehand. To perform this test with a subjective value (#7 value), see "5.2.16 #12B Supravergence (Far), #18B Supravergence (Near)"...
Page 219: Infravergence Test For Final Prescription (Only For Plus Package)
161221687130 承認済 TEST METHOD Infravergence Test for Final Prescription (only for Plus Package) Infravergence Test for Final Prescription (only for Plus Package) Use: Infravergence test for final prescription Chart: Horizontal line Auxiliary lens: Binocular rotary prism Press [Final]. To perform this test, the final prescription must be entered beforehand. To perform this test with a subjective value (#7 value), see "5.2.17 #12B Infravergence (Far), #18B Infravergence (Near)"...
Page 220: Near Point Of Convergence (Npc) Test
161221687130 承認済 TEST METHOD Near Point of Convergence (NPC) Test Near Point of Convergence (NPC) Test This test does not require the refractor. Let the patient wear his/her glasses when he/she wears them usually. Use: To measure the break point Chart: No chart is used in this test.
Page 221: Near Point Of Accommodation (Npa) Test
161221687130 承認済 TEST METHOD Near Point of Accommodation (NPA) Test 4.10 Near Point of Accommodation (NPA) Test Use: To measure the near point of accommodation Chart: The highest VA letter chart that the patient can read correctly at the position of 40 cm away from the near point chart Confirm that the “SPH Far ...
Page 222: Negative Relative Accommodation (Nra) Test
161221687130 承認済 TEST METHOD Negative Relative Accommodation (NRA) Test 4.11 Negative Relative Accommodation (NRA) Test Use: To measure the negative relative accommodation when both eyes are converged at a specified working distance Chart: Near letter chart with a horizontal line isolation at 40 cm away from the patient’s eye (near point chart 7) Confirm that the “SPH Far ...
Page 223: Positive Relative Accommodation (Pra) Test
161221687130 承認済 TEST METHOD Positive Relative Accommodation (PRA) Test 4.12 Positive Relative Accommodation (PRA) Test Use: To measure the positive relative accommodation when both eyes are converged at a specified working distance Chart: Near letter chart with a horizontal line isolation at 40 cm away from the patient’s eye (near point chart 7) Confirm that the “SPH Far ...
Page 224: Visual Acuity Test By Etdrs Chart
161221687130 承認済 TEST METHOD Visual Acuity Test by ETDRS chart 4.13 Visual Acuity Test by ETDRS chart When the M chart (SSC-350, SSC-350CG, SC-1700Pola, SC-2000, SC-1600, CP-770, or CP-690) is connected, there is a special mode to test the visual acuity using the ETDRS chart. ETDRS (Early Treatment Diabetic Retinopathy Study), invented by ETDRS Research Group (that U.S.A acts as leader) is the chart for studying each eye treatment.
Page 225 161221687130 承認済 TEST METHOD Visual Acuity Test by ETDRS chart Ask the patient to read the chart down from the upper-left letter. Press the keys of the letters that could be correctly identified. The result is displayed in the lower-left corner of the screen. The visual acuity is determined by how many letters could be correctly identified.
Page 226 161221687130 承認済 TEST METHOD Visual Acuity Test by ETDRS chart Uncontrolled copy when printed.
Page 227: Point Exams (Only For Plus Package)
161221687130 承認済 21 Point Exams (only for Plus Package) Switching for 21 Point Exams list (only for Plus Package) For the chart list display, press the Chart / 21 Ex. switching button. The display switches to the 21 Point Exams display and the indication of the Chart / 21 Ex. switching button switches from Chart to 21 Ex.
Page 228: Point Exams (Only For Plus Package)
The initial value for the subjective (near) value is the subjective (far) value + ADD value. The RT-5100 indicates the name of exam simply. The indication and contents of exam on the RT-5100 are as follows: Indication on Exam No.
Page 229: Subjective Value
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.1 #7 Subjective value Pressing [#7 Subj(F)] starts a program to achieve the best possible binocular visual acuity with the most plus power. See "2.5.3 Program #7 (only for Plus Package)" (Page 66). 5.2.2 #8 Horizontal phoria (Far), #13B Horizontal phoria (Near) Setting contents:...
Page 230 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) • The rotary prism lenses are removed from the measuring windows when the already selected button is pressed again in prism mode. ex.When is pressed in the base in/out prism, the rotary prism lenses are removed. Appearance of Phoria Correction...
Page 231: Gradient Ac/A
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.3 Gradient AC/A Setting contents: Near point vertical line chart Use chart Set the near point chart II H (VA1.0) or G (VA0.63) manually. Auxiliary lens 6BU/open (rotary prism) (R/L)
Page 232: Divergence (Far), #17 Divergence (Near)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.4 #11 Divergence (Far), #17 Divergence (Near) Setting contents: #11 Div(F) #17 Div(N) Far point vertical line chart Near point vertical line chart For the model other than CP series, SSC Use chart Set the near point chart II H (VA1.0) or G series, SC series U and M, the chart is...
Page 233 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) Turn the dial counterclockwise to add the BI prism powers to both eyes until the chart appears dissociated. Also possible by pressing Press [Break] when the chart appears dissociated. The prism powers are stored as break point.
Page 234: Convergence (Far), #16 Convergence (Near)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.5 #9,10 Convergence (Far), #16 Convergence (Near) Setting contents: #9,10 Conv(F) #16 Conv(N) Far point vertical line chart Near point vertical line chart For the model other than CP series, SSC Use chart Set the near point chart II H (VA1.0) or G series, SC series U and M, the chart is...
Page 235 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) Turn the dial clockwise to add the BO prism powers to both eyes until the chart appears dissociated. Also possible by pressing Press [Break] when the chart appears dissociated. The prism powers are stored as break point.
Page 236: 21 Negative Relative Accommodation (Nra)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.6 #21 Negative relative accommodation (NRA) Setting contents: Near point vertical line chart Use chart Set the near point chart II H (VA1.0) or G (VA0.63) manually. Auxiliary lens Binocular open (R/L)
Page 237: Positive Relative Accommodation (Pra)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.7 #20 Positive relative accommodation (PRA) Setting contents: Near point vertical line chart Use chart Set the near point chart II H (VA1.0) or G (VA0.63) manually. Auxiliary lens Binocular open (R/L)
Page 238: 14A Cross Cylinder (Monocular)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.8 #14A Cross cylinder (monocular) Setting contents: Near point cross grid Use chart Set the near point chart II B manually. Auxiliary lens Fixed cross cylinder lens (±0.5)/Occluder (R/L) Set power Subj (F) + initial addition value...
Page 239: Horizontal Phoria (According To #14A)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.9 #15A Horizontal phoria (according to #14A) Setting contents: Near point cross grid Use chart Set the near point chart II B manually. Auxiliary lens Fixed cross cylinder lens + Break rotary prism (measurement rotary prism) (R/L) Set power...
Page 240: 14B Cross Cylinder (Binocular)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.10 #14B Cross cylinder (binocular) Setting contents: Near point cross grid Use chart Set the near point chart II B manually. Auxiliary lens Fixed cross cylinder lens (±0.5) / Fixed cross cylinder lens (±0.5) (R/L) Set power Subj (F) + #14A C.Cyl (Mon)
Page 241: 15B Horizontal Phoria (According To #14B)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.11 #15B Horizontal phoria (according to #14B) Setting contents: Near point vertical line chart Use chart Set the near point chart II H (VA1.0) or G (VA0.63) manually. Auxiliary lens 6BU/open (R/L)
Page 242: 19 Accommodation With Addition Of Minus Lens
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.12 #19 Accommodation with addition of minus lens Setting contents: Near point VA chart Use chart Set the near point chart II A manually. Auxiliary lens Binocular open (R/L)
Page 243: 19 Near Point Of Accommodation (Npa)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.13 #19 Near point of accommodation (NPA) Setting contents: Use chart The highest VA letter chart that the patient can read correctly at the 40 cm distance Auxiliary lens Binocular open (R/L)
Page 244 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package)  Standard accommodation power display According to the “Standard accommodation power display” parameter, the maximum value, average value, and minimum value calculated by the Morgan’s criterion or Hofstetter formula can be displayed on the accommodation measurement window.
Page 245: Near Point Of Convergence (Npc)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.14 Near point of convergence (NPC) This test does not require the refractor. Let the patient wear his/her glasses when he/her wears them usually. Chart: Fixation like a tip of a pen which causes double vision easily.
Page 246: 12A Vertical Phoria (Far), #18A Vertical Phoria (Near)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) 5.2.15 #12A Vertical phoria (Far), #18A Vertical phoria (Near) Setting contents: #12A V.Phoria (F) #18A V.Phoria (N) Far point horizontal line chart Near point horizontal line chart For the model other than CP series, SSC Use chart Set the near point chart II C (VA0.63) or D...
Page 247 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) <2> The right frame is higher. Turn the dial clockwise to add the BU prism powers to the Left eye hyperphoria right eye until the two columns line up. *Use instead of the dial for fine adjustment.
Page 248: 12B Supravergence (Far), #18B Supravergence (Near)
Subj (N) + #13 H.Phoria (N) * The RT-5100 is set to add prism to the right eye as default. Therefore, right supravergence test is set as a default. Setting the “Prism for Supra. and Infra.” parameter to “L” adds prism to the left eye and sets to the left supravergence test.
Page 249 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) Press [Break] when the chart appears dissociated. The prism powers are stored as break point. The [Break] indication is highlighted. It means that the prism powers have been entered. When highlighted [Break] is pressed again, the entered prism powers are cleared.
Page 250: 12B Infravergence (Far), #18B Infravergence (Near)
Subj (N) + #13B H.Phoria (N) *The RT-5100 is set to add a prism value to the right eye as a default. Therefore, right infravergence test is set as a default. Setting the Prism for Supra. and Infra. parameter to “L”...
Page 251 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams (only for Plus Package) Press [Break] when the chart appears dissociated. The prism powers are stored as break point. The [Break] indication is highlighted. It means that the prism powers have been entered. When highlight [Break] is pressed again, the entered prism powers are cleared.
Page 252: Point Exams Result (Only For Plus Package)
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams Result (only for Plus Package) 21 Point Exams Result (only for Plus Package) Measurement results are displayed in the for- mat selected among List, Graph, or Morgan located at bottom right on the 21 Point Exams test screen.
Page 253  Sheard (F), Sheard (N) Prism values and SPH adjustment values that satisfy the Sheard’s criterion. The RT-5100 automatically calculates and displays the prism value necessary to satisfy the criterion necessary for Sheard’s criterion calculation when values for phoria and fusional convergence reserve or fusional divergence reserve are entered.
Page 254  Percival (F), Percival (N) Prism values or SPH adjustment values that satisfy the Percival’s criterion. The RT-5100 automatically calculates and displays the prism values necessary for satisfying the criterion when fusional convergence reserve or fusional divergence reserve necessary for Percival’s criterion calculation are entered. In addition, with AC/A, SPH value is calcu- lated and displayed in parentheses.
Page 255: Visual Function Analysis Graph
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams Result (only for Plus Package) 5.3.2 Visual function analysis graph Displays the visual function analysis graph based on the measurement results. The measurement values used for the graph are #8, #9,10, #11, #13B, #17, #16, #20, and #21. The “Graph type”...
Page 256 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams Result (only for Plus Package) When the “Graph type” parameter is set to “Type 2” and “Graph display” parameter is set to “As +13.00D” Criterion area key Accommodation line Convergence line Phoria line...
Page 257 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams Result (only for Plus Package) When the “Graph type” parameter is set to “Type 2” and “Graph display” parameter is set to “As +3.00D” Criterion area key Phoria line RCS line RCI line ...
Page 258 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams Result (only for Plus Package)  RCS line When the “Graph type” parameter is set to “Type 1”. A line from the blur point of #9 Conv(F) to #16 Conv(N). When there is no blur point for #9 Conv(F), the line is drawn to the break point of #10 and when there is no blur point for #16, the line is drawn to the break point of #16.
Page 259 161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams Result (only for Plus Package) When the “Graph type” parameter is set to “Type 1” and “Graph display” parameter is set to "As +3.00D" RCI criterion area Phoria criterion area NRA criterion area RCS criterion area When the “Graph type”...
Page 260: Comparison Display With The Morgan's Criterion
161221687130 承認済 21 Point Exams (only for Plus Package) 21 Point Exams Result (only for Plus Package) 5.3.3 Comparison display with the Morgan’s criterion Pressing [Morgan] displays the comparison display with the Morgan’s criterion. Switches to the Data List display function button.
Page 261: Changing 21 Point Exams Setting (Only For Plus Package)
161221687130 承認済 21 Point Exams (only for Plus Package) Changing 21 Point Exams Setting (only for Plus Package) Changing 21 Point Exams Setting (only for Plus Package) Settings for the chart or auxiliary lens when the 21 Point Exams button is pressed can be changed.
Page 262 161221687130 承認済 21 Point Exams (only for Plus Package) Changing 21 Point Exams Setting (only for Plus Package) * Settable items for each test are as in the following table. Test Chart Auxiliary lenses R/L/Binocular Others #7 Subj(F) Select the programmed refraction to be performed. #8 H.Phoria(F) #11 Div(F) #9,10 Conv(F)
Page 263 161221687130 承認済 21 Point Exams (only for Plus Package) Changing 21 Point Exams Setting (only for Plus Package) Setting screen for each test is displayed. Change the setting with the button on the screen. ]: Returns to the Setting of 21 Point Exams screen. [Default]: Setting for each test returns to the default setting.
Page 264 161221687130 承認済 21 Point Exams (only for Plus Package) Changing 21 Point Exams Setting (only for Plus Package)  Only the set chart for [#11Div(F)], [#9,10 Conv(F)], [#12B Supra(F)], or [#12B Infra(F)] can be changed the settings. The auxiliary lens is fixed as binocular open and designated eye is fixed as binocular.
Page 265 161221687130 承認済 21 Point Exams (only for Plus Package) Changing 21 Point Exams Setting (only for Plus Package) Factory setting of [#18A V.Phoria(N)]: Auxiliary Lenses: R open, L 10 BI Designated eye: R *The chart is fixed as Near point horizontal line chart. ...
Page 266 161221687130 承認済 21 Point Exams (only for Plus Package) Changing 21 Point Exams Setting (only for Plus Package)  Setting for [#14A C.Cyl(Mon)] Designated eye and Initial add power can be selected. Initial add power setting buttonSets the initial add power for examination. Pressing the button displays the green frame.
Page 267: Maintenance
161221687130 承認済 MAINTENANCE Troubleshooting In the event that the RT-5100 does not work correctly, check the problem according to the follow- ing table before contacting your authorized distributor. Symptom Action The refractor does not start even • Confirm that the power cord is connected to a wall outlet.
Page 268: Cleaning Forehead Rest
161221687130 承認済 MAINTENANCE Cleaning Forehead Rest Cleaning Forehead Rest Clean the forehead rest before each refraction. WARNING • Be sure to secure the refractor head before removing or attaching the forehead rest. If the refractor head is moved carelessly, it may bump against someone or something and injury may occur.
Page 269: Replacing Printer Paper
When a red line appears on the side of the printer paper, it means that the paper is running short. In such a case, stop using the paper and replace the roll with a new one. The printer is installed in the system table (not included in the RT-5100 package) normally. • Do not touch the auto cutter.
Page 270 161221687130 承認済 MAINTENANCE Replacing Printer Paper Set the printer paper as shown in the right figure. When the roll is set upside down, the data is not printed correctly. • Be sure to take up slack in the printer paper. Failure to do so could cause printer failure.
Page 271: Cleaning The Printer
161221687130 承認済 MAINTENANCE Cleaning the Printer Cleaning the Printer After repeated usage, the paper slot of the auto cutter of the printer may become soiled with paper resi- due. If this residue accumulates, malfunction of the auto cutter may result. Periodically clean the cutter. Open the printer cover and remove the printer paper roll.
Page 272: Cleaning Measuring Windows
Screws • Attach the protective glasses with the screws just after cleaning. Failure to do so could allow dusts to be settled inside the RT-5100. It may affect the viewability or cause malfunction. Cleaning Exterior When the cover or panel becomes dirty, clean it with a soft cloth.
Page 273: Cleaning Eye Care Card Reader
161221687130 承認済 MAINTENANCE Cleaning Eye Care Card Reader Cleaning Eye Care Card Reader After the device is used for an extended period of time, dirt may become adhered to the con- tact of the Eye Care card reader. When the Eye Care card is used for data communication between devices, clean the Eye Care card reader with the contact cleaner (optional part No.: 34086-7110) as necessary.
Page 274 161221687130 承認済 MAINTENANCE List of Replacement Parts Uncontrolled copy when printed.
Page 275: Specifications And Accessories
[Degree of protection against liquid entry] The RT-5100 is classified as IPX0 The RT-5100 is a normal device, as such does not provide protection with respect to harmful effects due to the ingress of water although it is protected against access to hazardous parts with a solid matter such as a finger of 12.5 mm in diameter.
Page 276: Specifications
161221687130 承認済 SPECIFICATIONS AND ACCESSORIES Specifications Specifications  Measurable range • Spherical power –29.00 to +26.75 D (In increments of 0.12 D/0.25 D/0.5 D to 3.0 D) –19.00 to +16.75 D (Cross cylinder test, prism test) • Cylindrical power 0.00 to ±8.75 D (In increments of 0.25 D/1 D/2 D/3 D) •...
Page 277 161221687130 承認済 SPECIFICATIONS AND ACCESSORIES Specifications  Power specifications • Power source AC 100 to 240 V (±10%) • Frequency 50/60 Hz • Power consumption 80 VA  Dimensions • Refractor head 405 (W) × 102 (D) × 276 (H) mm (Including bracket: 325 (H) mm) •...
Page 278: Standard Configuration
161221687130 承認済 SPECIFICATIONS AND ACCESSORIES Standard Configuration Standard Configuration 7.3.1 Standard configuration • Refractor head 1 unit • Control box 1 unit • Relay box 1 unit • Printer 1 unit • Near point chart 1 unit • Near point rod 1 unit •...
Page 279: Appendix
161221687130 承認済 APPENDIX Descriptions of Power Adjustment The RT-5100 has the auto and semi-auto adjustment functions. They function depending on refractive errors. [Auto adjustment] explains how the binocular full correction is adjusted. [Semi-auto adjustment] explains the semi-auto adjustment after the auto adjustment. The semi-auto adjustment is operated by pressing according to the patient’s response.
Page 280 161221687130 承認済 APPENDIX: Descriptions of Power Adjustment A.2 With glasses For the patient who has his/her glasses. [Auto adjustment] • A certain power is reduced from each spherical power. • When the lensometry data is overcorrected, the full correction is selected. •...
Page 281 161221687130 承認済 APPENDIX: Descriptions of Power Adjustment [Semi-auto adjustment] Add –0.25 D to the spherical powers. Adjustable within the range that the spherical powers are not negative. This key does not function basically. However, the spherical powers can be adjusted to the LM data only when the data is larger than the full correction to positive.
Page 282 161221687130 承認済 APPENDIX: Descriptions of Power Adjustment D. Oblique Astigmatism ° ° ° ° When the cylindrical axis is 16 to 74 or 106 to 164 D.1 First glasses [Auto adjustment] • The cylindrical powers are set to 0 for the patient who has slight astigmatism in both eyes (C: –0.25 D, –0.50 D).
Page 283 161221687130 承認済 APPENDIX: Descriptions of Power Adjustment E. Myopia/Hyperopia and Astigmatism in Combination The spherical and cylindrical powers are adjusted respectively as described in A. Myopia to D. Oblique Astigmatism. F. Anisometropia Based on the concept that the difference between left and right powers is within 0.75 D, the patient who has the difference of 1 D or more is regarded as anisometropia.
Page 284: Linkage Between Charts And Auxiliary Lenses
161221687130 承認済 APPENDIX: Linkage between Charts and Auxiliary Lenses Linkage between Charts and Auxiliary Lenses The following table shows the auxiliary lenses linked to the charts when the Chart link parameter is set to Yes. Auxiliary lens Chart Mode Right eye Left eye VA charts Astigmatism clock dial...
Page 285: Va Conversion Table
161221687130 承認済 APPENDIX: VA Conversion Table VA Conversion Table Decimal Fraction (feet) Fraction (meters) 0.03 6/200 0.032 20/600 0.04 20/500 6/150 0.05 20/400 6/120 0.06 6/100 0.063 20/320 0.08 20/250 6/75 20/200 6/60 0.125 6/48 0.15 20/150 0.16 6/38 20/100 6/30 0.25 20/80...
Page 286: Preset Addition Power
APPENDIX: Preset Addition Power Preset Addition Power The preset addition (ADD) powers are lower than the expected ones corresponding to the patient’s age by three increments (0.75 D). RT-5100 Preset ADD power (D) Expected ADD power When “Preset ADD” When “Preset ADD”...
Page 287: Relational Table Of Age And Accommodation
161221687130 承認済 APPENDIX: Relational Table of Age and Accommodation Relational Table of Age and Accommodation For an accommodation used as the basis for calculation of the range of clear vision, accommodation suggested according to the age can be used. Accommodation (D) 13.2 11.2 *Reference: Sakuyama, Fujio ed.
Page 288: Estimated Visual Acuity Table
161221687130 承認済 APPENDIX: Estimated Visual Acuity Table Estimated Visual Acuity Table The estimated unaided VA is calculated from the AR (objective) data. The estimated aided VA is cal- culated by subtracting the LM data from the AR data. For the patient who has cylindrical powers, add –CYL to the spherical power.
Page 289: Fog Amount In Binocular Balance
161221687130 承認済 APPENDIX: Fog Amount in Binocular Balance Fog Amount in Binocular Balance The vision is fogged automatically during the binocular balance test when the Fog for binocular bal- ance parameter is set to Yes. VA value (subjective) Binocular fog amount (D) Decimal Fraction (feet) Fraction (meters)
Page 290: Standard Programs
APPENDIX: Standard Programs Standard Programs The RT-5100 has five programs of A, B, C, D and E, which can be programmed by the user. The following standard programs have already been written in Programs A and B as factory setting.
Page 291 161221687130 承認済 APPENDIX: Standard Programs <Subjective field> 20. B: Addition power measurement Measure the addition power with the cross grid chart for near point <Final field> 21. B: Addition power check Check the addition power with the near VA chart. ...
Page 292 161221687130 承認済 APPENDIX: Standard Programs  Programs C to E: Empty  Program : Day/Night measurement course (Day/Night measurement course) is a course performing night measurement after the day mea- surement. The Day course is a course to achieve the best possible visual acuity with the most plus power based on the objective measurement data.
Page 293 161221687130 承認済 APPENDIX: Standard Programs 21. R: Cross cylinder test (power) Measure the cylindrical power with the cross cylinder lens. 22. R: Red-green test Spherical refinement with the red-green chart (fog + 0.5) 23. R: Best possible VA check (monocular full correction) Best possible VA on the chart with the most plus power 24.
Page 294 161221687130 承認済 APPENDIX: Standard Programs  Program #7: Full correction measurement course (only for Plus Package) #7 (full correction measurement course) is a course to achieve the best possible visual acuity with the most plus power based on the objective measurement data. It is necessary to enter the objective and subjective (copied from the objective) data with an auto refractometer before Program #7.
Page 295: Near Point Chart (Standard)
161221687130 承認済 APPENDIX: Near Point Chart (Standard) Near Point Chart (Standard) 1: Letters 0.1 - 0.32 2: Cross Grid 3: Numbers(H) 0.63 (40 cm) 4: Landolt's rings (40 cm) 5: Letters 0.4 - 1.0 6: Letters&Numbers 0.63 (40 cm) Uncontrolled copy when printed.
Page 296 161221687130 承認済 APPENDIX: Near Point Chart (Standard) 7: Numbers(V) 0.63 (40 cm) 8: Astigmatism Uncontrolled copy when printed.
Page 297 161221687130 承認済 APPENDIX: Near Point Chart II 8.10 Near Point Chart II A: Letters (40 cm) B: Cross Grid C: Numbers(H) 0.63 (40 cm) D: Numbers(H) 1.0 (40 cm) E: Landolt's rings (40 cm) F: Letters&Numbers 0.63 (40 cm) Uncontrolled copy when printed.
Page 298 161221687130 承認済 APPENDIX: Near Point Chart II G: Numbers(V) 0.63 (40 cm) H: Numbers(V) 1.0 (40 cm) Uncontrolled copy when printed.
Page 299: Emc (Electromagnetic Compatibility)
161221687130 承認済 EMC (ELECTROMAGNETIC COMPATIBILITY) The device complies with the International Electrotechnical Commission standards (IEC 60601-1- 2:2007) for electromagnetic compatibility. WARNING • Use the specified accessories, optional accessories, and cables. Otherwise increased emissions or decreased immunity of the device may result. •...
Page 300 161221687130 承認済 EMC (ELECTROMAGNETIC COMPATIBILITY): Guidance and manufacturer's declaration - electromagnetic emissions The device is intended for use in the electromagnetic environment specified below. The customer or the user of the device should assure that it is used in such an environment. Emissions test Compliance Electromagnetic environment - guidance...
Page 301 161221687130 承認済 EMC (ELECTROMAGNETIC COMPATIBILITY): Guidance and manufacturer's declaration - electromagnetic immunity The device is intended for use in the electromagnetic environment specified below. The customer or the user of the device should assure that it is used in such an environment. Immunity test IEC 60601 test level Compliance level...
Page 302 161221687130 承認済 EMC (ELECTROMAGNETIC COMPATIBILITY): Uncontrolled copy when printed.
Page 303: Index
161221687130 承認済 INDEX Numerics 21 Point Exams ....8 Left side switch ....... . 5 Level .
Page 304 161221687130 承認済 INDEX Standard program ..... . . 43 Stereo test ........187 Touch panel calibration .
Page 305 161221687130 承認済 are reserved by NIDEK or the owner of the Third-Party- IMPORTANT—READ CAREFULLY Software. The license granted herein will not be intended as, or construed to be, any assignment of the rights of THIS AGREEMENT APPLIES TO THE NIDEK SOFT- NIDEK or the owner of the Third-Party-Software.
Page 306 161221687130 承認済 Agreement with immediate effect. Upon termination of provisions of this Agreement will continue in full force this Agreement due to the breach of this Agreement, and effect. NIDEK reserves all the rights to claim damages resulting 11. SURVIVAL from such breach.

Nidek Medical RT-5100 Operator's Manual

1 Before Use

2 Operating Procedure

3 Advanced Features

4 Test Method

5 Point Exams (Only for Plus Package)

6 Maintenance

7 Specifications and Accessories

8 Appendix

9 Emc (Electromagnetic Compatibility)

10 Index

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