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i-Optik CV-7800 Operator's Manual

Computerized vision tester
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COMPUTERIZED VISION TESTER
CV - 7800
OPERATOR'S MANUAL
1639

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Summary of Contents for i-Optik CV-7800

  • Page 1 COMPUTERIZED VISION TESTER CV - 7800 OPERATOR’S MANUAL 1639...

  • Page 2: Table Of Contents

    Contents 1 ． Introduction....................5 1.1 Product features and using range..................5 1.2 Classify..........................5 1.3 Main performance index....................... 6 2. Security considerations................10 2.1 Security identity........................10 2.2 Safety precautions before use..................... 10 2.3 During Use.......................... 12 2.4 After Use..........................12 2.5 Maintenance and Check......................13 2.6 Disposal..........................13 3 ．...
  • Page 3 5.3.4 Vision chart state and vision chart working mode switching area......38 5.3.5 User-defined vision atlas editing interface.............. 38 5.4 The system state and menu area..................41 5.4.1 The use of customer information management module.......... 42 5.4.2 The use of custom program module.................46 5.4.3 External connection equipment management............52 5.5 Fast reset and basic Settings....................
  • Page 4 Please read this manual before use. This device manufactured accord GB9706.1 Medical electrical equipment general requirements for safety, have to connect the power plug to a grounded outlet. In order to ensure use the product safely, and prevent damage to operator and other people, or cause a loss of other devices, warning labels are indicate on the machine as well as in the manual, please pay attention and read the accompanying documents carefully.

  • Page 5: Product Features And Using Range

    This machine is not a portable device. Out supports or brackets used with this device must apply with the safty precautions in this manual or other applicable standards. 1.2 Classify The mode of this device is CV-7800 V4.0.150915 This device is constitute by refractor head, software(rev.V4.0.
  • Page 6 Storage and transport environment conditions: Temperature: -10 ～ 55 ℃ Humidity: 10 ～ 85% Air pressure: 700hPa ～ 1060hPa(transport), 500hPa ～ 1060hPa(storage) Working environment condition： a) Temperature : 10 ℃ -~+40 ℃ b) Humidity ≤80% c) Air pressure: 760hPa - 1060hPa Power adapter requirement a) Input ：...

  • Page 7: Main Performance Index

     Working temp: -5- ＋ 65 Centigrade  Size: M-10 26.9mm×13mm×2.2mm Vision tester control software The control software is a tablet control software based on android system. By controlling the system to perform specified operations, and interacting with customers, optometry analysis and diagnosis can be conducted, finally generate report and corresponding prescription can be provided.
  • Page 8 1.3.1Measurement range Sphere ： +16.75D ～ -19.00D Cylinder ： 0D ～ -6.00D Axis ： 0º ～ 180º Prism ： 0 △ ～ 20 △ Prism base: 0º － 360º PD range: 50mm - 80mm 1.3.2 Step Sphere: 0.25D/0.5D/3.0D Cylinder: 0.25D Axis: 1º/5º...
  • Page 9 b) The tolerance of astigmatic power should accord with the requirement table 1.2 Table 1.2 Astigmatic power tolerance Meridian direction Astigmatic power nominal diopter maximum absolute ≤0.50 >0.50-1.00 >1.00-3.00 >3.00-6.00 >6.00 diopter Tolerance D 0.00-5.00 0.06 0.06 0.06 0.09 0.12 >5.00-10.00 >10.00-15.00 0.09...
  • Page 10 >5.00 ±5% e) Cylinder axis and prism base tolerance should accord with the requirement of table 1.5 Table 1.5 Cylinder axis and prism base tolerance Nominal diopter （ Absolute ） Item Tolerance >0D-0.25D ±5º Cylinder axis >0.25D-1D ±3º >1D ±2º ≤1 cm/m ±5º...
  • Page 11 1.3.4.8 The device should be equipped with auxiliary lens, every auxiliary should be identify corresponding. 1.3.4.9 The device using LCD display, the displayed character, data and curve should be clear. 1.3.4.10 The PD should be able to continuous adjustment, the range is no less than 50mm—80mm.
  • Page 12 1.3.9 Safety requirements should accord with stipulates in GB9706.1 1.3.10 EMC: should meet requirement of YY0505-2012.

  • Page 13: Security Identity

    2. Security Precautions 2.1 Security identity In this manual, words used to indicate the security alert degree or level are defined as follows: Warning: indicates a potentially dangerous situation, such as can't be warning avoided, could result in death or serious injury. Attention: indicates a potentially dangerous situation, such as can't be attention avoided, may result in slight or moderate injury or property damage.
  • Page 14 Humidity: ≤ 85% Pressure: 760 to 1060 hPa Installation place: Interior No hazardous dust or smoke A dust-free place A place free from vibration and shock • Be sure to level the refractor head before use. Failure to do so could affect the data accuracy. Level the refractor head by turning the leveling adjustment knob until the bubble is centered in the level.

  • Page 15: During Use

    2.3 During Use WARNING • When moving the refractor head, make sure that there are no obstacles in the path. If the arm is swung carelessly, it may bump against someone or something and injury or malfunction may occur. CAUTION •...

  • Page 16: Maintenance And Check

    2.5 Maintenance and Check CAUTION • Any repair or service to the instrument must be done by Ningbo Ming Sing Optical R & D Co., Ltd or people trained and can be operate correctly with experience or contact with the authorized distributor to do the maintenance.

  • Page 17: Configuration

    3．Configuration 3.1 Refractor head configuration Figure 3.1 1) Examination window……….The patient’s eyes are observed through the window, and patient observe charts through the window. 2) Near vision illumination…..…Light up when near vision testing, light off when far vision...

  • Page 18: Accessories

    testing. 3 ） Corneal aligning windows……The position of patient’s cornea can be observed through the window. 4 ） Forehead rest adjust knob……Moves the forehead rest forward and backward in order to adjust the VD. 5 ） Near-point rod holder………….The near-point rod is inserted and attachedhere. 6 ）...

  • Page 19: Identification

    15 ） Near-point rod……………The card holder is attached at the near point examination position. 16 ） Card holder…………………The near-point card is attached. 17 ） Operator’s manual………… Describes instructions about handling the instrument 18 ） Near-point card…………….. Contains the near-point charts, for test the near vision.

  • Page 20: Ready Use

    The place of warning mark Figure 3.3 There is warning mark in front of device: Do not close to the near point rod, prevent of crushing 4．Ready use 4.1 Setup connection of the device Profession staff of our company or authorized personnel who have been trained by our company are required on the installing process.

  • Page 21: Install Near Vision Chart

    Figure 4.1 If the refractor head install on our ophthalmic unit, it is no need for connector, as show in figure 4.2, it could be install on our ophthalmic unit directly. Power supply unit and cables are fixed in the ophthalmic unit. Figure 4.2 4.2 Install near vision chart...

  • Page 22: Install Face Shield

    Install the near point rod, card holder and near point card before using the device. Insert the card holder into the top end of the near point rod. The card holder is designed to slide along the rod. As shown in the Figure 4.3. Figure 4.3 Insert the near point card into the spring which is attached in the cardholder.

  • Page 23: Install And Remove The Forehead Assemble

    As figure 4.5, the face shield is fixed by magnet. Figure 4.5 4.4 Install and remove the forehead assemble Remove the forehead rest as Figure 4.6. To mount the forehead rest, reversely follow the remove procedure. Figure 4.6 4.5 Adjust the level Before using, make sure the refractor head is level.

  • Page 24: Alignment Cornea

    4.6 Alignment cornea Make the forehead rest move back and forth by turning the forehead rest knob. With the patient’s forehead set to the forehead rest, look through the cornea aligning window from about 25cm apart. Figure 4.7 Observe the anterior pole of cornea and check it on which line as show in figure 4.7. If the eye comes on the long line, it means the distance from the eyeglass to the cornea surface is 12mm, short lines are given at 2mm intervals, the dotted line is 13.75mm from the cornea surface.
  • Page 25 Figure 4.8 Turn the rotary part at the bottom part of the card to select the required chart. The chart will appears in the sight window(Figure 4.9) Figure 4.9 Remark: The number and name of the charts which doctor seeing is corresponding with which the patient seeing.
  • Page 26 9:vertical cryptic squint test 10 mid level distance vision test(at 64cm)

  • Page 27: Tablet Application Interface And Function Introduction

    5．Tablet application interface and function introduction 5.1 Main interface introduction and function description The main interface of operation program is divides into three parts: refractor head operate and data display area, Monitor chart operate area, system condition and menu area. Main interface layout and the above three areas layout are showing in figure 5.1.

  • Page 28: Refractor Head Operate And Data Display Area

    5.2 Refractor head operate and data display area Refractor head operate and data display areas are consist of 7 parts, as showing in figure 5.2. Figure 5.2 Refractor head operate and data display area division Refractor head data display area Optometry status switching operate area PD and UCVA test area L/R auxiliary lens buttons...
  • Page 29 example , it means it’s not selected. Figure5.3 Refractor head data display area Right eye spherical power display area and right eye spherical power test mode select button. Binoculus spherical power test mode select button, display the current step-length of sphere. Left eye spherical power display area and right eye spherical power test mode select button.
  • Page 30 appear, click to switch the cylinder mode. Cylinder mode menu is showing in figure 5.5, button functions are as below: Button display Button function Negative cylinder mode Positive cylinder mode Figure 5.5 cylinder mode menu 7) Right eye axis display area and right eye axis test mode select button. Binoculus axis test mode select button, display the current axis step-length.
  • Page 31 Figure 5.6 Axial setup menu 10,11,12,13,14,15 is corresponds to prism item, the display mode is different accordingto rectangular coordinate mode or Polar Coordinates mode as showing in figure 5.7 and 5.8. Figure 5.7 Rectangular coordinate mode Figure 5.8 Polar Coordinates mode 10) Right eye horizontal prism power display area and horizontal prism test mode select/right eye data display area and test mode select under polar Coordinates mode.
  • Page 32 mode Figure 5.9 Prism menu under Rectangular coordinate mode Axial test mode setting menu is showing in figure 5.10 under polar Coordinates mode, button functions are as below: Button display Button Prism axial step 1° Prism axial step 5° Switch to Clear function Rectangular...

  • Page 33: Optometry Condition Switch Operating Area

    16) Right eye ADD power display area and ADD test modeselect 17) Binoculus ADD power test mode select 18) Left eye ADD power display area and ADD test mode select *ADD step is fixed at 0.25D *long press any ley of 16,17 and 18 more than 1 second, ADD age menu will pop up. User can choose the ADD in accordance with age, as show in 5.12 below: Button ≤45...
  • Page 34 This button realizes two functions: switch the near/far test mode and display current near, far point test mode. Select the far or near point test mode. Far point test mode will be selected automatic when the data is clear. Near point test mode display ： Far point test mode display ：...

  • Page 35: Pd Test And Nc Test Area

    5.2.2.2 Optometry data area switch button There are three buttons corresponding with NC, CV and Final switching. The functions are as follow: NC: Uncorrected visual acuity test mode, in this mode, all lens will withdraw, input VA value. CV: Callout refractor head data Final: The final prescription.
  • Page 36 *It will exit PD test mode automatic as well as withdrwa corss lens when click S,C,A,H,V,P,R,ADD,VA buttons under PD test condition. 4. Right eye VAdisplay and right eye VAinput and select button Binoculus VAdisplay and binoculus VAinput and select button Left eye VAdisplay and left eye VAinput and select button *When click 4,5,6, it will pop up the select box according to the sight of current vision chart, when click the target sight, the data will copy to corresponding VA data area of this eye.

  • Page 37: Right/ Left Eye Auxiliary Lens Operate Buttons

    5.2.4 Right/ Left eye auxiliary lens operate buttons This area realize the display of current put in auxiliary lens, and auxiliary lens select box callout function. Click the left and right auxiliary lens operate button, it will pop up the left auxiliary lens select box (Figure 5.14) and right auxiliary lens select box (Figure 5.15) respectively.

  • Page 38: Optometry Item Data Plus Or Minus Button And Simulate Plate

    ] ： left ： +1.5D SPH ； right ： +1.5D SPH ] ： left ： +2.0D SPH ； right ： +2.0D SPH [ ] ： pin hole plate （ DIA2mm ） ] ： left ： fixed cross cylinder lens ； right ： fixed cross cylinder lens ] ：...

  • Page 39: Monitor Chart Operate Area

    testing, and set cross cylinder as side [1] . In the screen of main testing interface, if the cross cylinder insert already, then the crosscylinder will be at side [2] . 5.3 Monitor chart operate area This area realizes the management, callout, display of the built-in vision charts and operate of the monitor chart.

  • Page 40: Vision Chart Type Switching Area

    5.3.1 Vision chart type switching area The current visual chart has three types: visual functional examination type, general letter chart type and color blindness type. Six types of key functions in Program is as follows, ： Button Function Choose general letter type chart, through the short press can switch the content of the visual figure in the vision chart selection area.

  • Page 41: Vision Chart Display And Occlusion Operation Area

    control the refractor head switch to the corresponding state . * User-defined chart atlas 1, 2, 3 is including in 24 figures, can complete display in one page. Color-blind figure, general letter and visual function check types need more pages to display, such as 5.3.1 described, through the short press can realize content switch, also can realize the flip over switch by horizontal stroke screen operation in vision chart select area.

  • Page 42: Vision Chart State And Vision Chart Working Mode Switching Area

    Figure 5.19 general visual function test vision chart * General visual function check vision chart display ， see 5.19 for example. 5.3.4 Vision chart state and vision chart working mode switching area The toolbar to realize the function as shown below ： button Function Realize genera letter enter into/exit red and green contrast mode...

  • Page 43: User-Defined Vision Atlas Editing Interface

    5.20 special test and chart display setting 5.3.5 User-defined vision atlas editing interface 5.3.5.1 Through long press user-defined atlas, will enter to the user-defined instance atlasediting interface.This interface is made up of four parts altogether, as shown in figure 5.21 Figure 5.21 user-defined instance atlas editing interface 1.Built in vision chart type switch button area 2.
  • Page 44 Figure 5.22 General letter vision chart Figure 5.23 visual function testing vision chart Figure 5.24 color blindness chart 5.3.5.4 User-defined vision chart display area Show the content of current edit user custom atlas A single user-defined atlas can accommodate 24 vision charts. 5.3.5.5 Function button area Key functions are described as below: Button icon...
  • Page 45 Save the edit button. To save the current edit content to user-defined atlas, will cover the previous user-defined atlas. Exit the edit button. Don’t save the current state of editing, directly back to the main measurement interface.

  • Page 46: The System State And Menu Area

    5.3.5.6 Add new vision chart to user-defined atlas Add one or more new vision charts to define atlas, or replace with a new vision chart instead of original vision figure, need to make the following three steps: If add the needed vision charts in the built-in visual figure display area, to drag into the user-define display area, cannot release in the process .Can see a small chart move with finger, display content is the new vision chart which need to added.

  • Page 47: The Use Of Customer Information Management Module

    User-defined program management key. Display user-defined program loading state, and the user-defined program callout function, user-defined editing functions. The refractor head management button. Show the connection state of refractor head, and refractor head management interface callout function. LCD Monitor chart management keys. Showing the connection state of monitor chart and monitor chart management interface callout function.
  • Page 48 5.4.1.1 New user registration Click on the customer information management button, as shown in figure 5.25 interface: Figure 5.25 the initial interface of customer management Click on the [Add] button. Switch to the new customer information input interface, as shown in figure 5.26 interface: Figure 5.26 Customer information input interface Customer name and phone number should be fill in, other content is optional, can be modified in...
  • Page 49 the future. After confirmed, click on the [confirm] button, if the construction of the new customer profiles successfully filed, it will jump directly to the customer optometry history interface as shown in figure 5.27: Figure 5.27 customer optometry history interface Under this interface, it will display the current client's name, phone number and optometry historical information.
  • Page 50 example two customers have registered "Lucy" and "Linda", only need to input “L” in the textbox, When click search, the list will show all the name with "L" + XX (for one or more words) combination of the customer, as shown in figure 5.28: Figure 5.28 Search the customer results If we need to load current customer is the "Lucy", directly click on the list of Lucy, it will automatic loading this customers, and jump to a customer optometry history is shown in figure...

  • Page 51: The Use Of Custom Program Module

    Figure 5.29 Customer optometry history list The interfaces in detail show the naked eye, Auto ref-keratometer data, lensmeter data, refractor head data and finally prescription records. Corresponding function: read the display data from the file, and loaded into the current measuring interface Corresponding function: not load data, returns to the historical records list to reselect.
  • Page 52 Selection interface loaded in user-defined program as shown in figure 5.30, click on the corresponding button to load the corresponding preset program. Figure 5.30 Preset program selection interface 5.4.2.2 Custom program editing interface Custom program editing interface as shown in figure 5.31: Figure 5.31 custom program editing interface The program selection key area The vision chart selection area...
  • Page 53 The single step program list The optometry options area The basic function menu area 5.4.2.2.1 Program selection button area Clicking to select target edit program. The standard procedure is protected and cannotbe edited. 5.4.2.2.2 The vision chart selection area It is consistent with the vision chart selection area of 5.3.1. Do not keep three user-defined vision atlas, click on the specified vision chart in 3 (The currently selected vision chart display area) and insert the specified vision chart, shows the default auxiliary lenses in 4 (auxiliary lens operation area), update the contents of 6 (optometry options area) to the default optometry options...
  • Page 54 The steps of the current single program better no more than 32 steps. Too long may seriously reduce the applicability of the custom procedures. 5.4.2.2.6 The optometry selection area The area is used to control the basic condition of refractor head in the process of the optometry.
  • Page 55 5.4.2.2.8 Establishing custom optometry program The function of the custom optometry program block is introduced in the previous details. Next we will illustrate the specific steps of last optometry case. For example, in the process of accurate measurement on cylinder, will use Cross Cylinder and fog, we can set as following ：...
  • Page 56 Figure 5.33 choose horizontal Maddox Click , will automatically return to the program editor interface, set the test project as " horizontal prism", measured the eye as the "binoculus ".The final screen display as shown in figure 5.34 ： Figure 5.34 Heterophoria test program editing interface Similarly, optometrists can be input every optometry steps in the program, if use the program next time, can call out the preset program selection menu inside the main testing interface, select the corresponding procedure.

  • Page 57: External Connection Equipment Management

    In the process of program operation, performed each optometry steps, click button ， The instrument will automatically perform the next program (click can return to the previous optometry step) set projection icon or select auxiliary lenses will greatly improve the efficiency. 5.4.3 External connection equipment management Refractor head, Auto refractometer, Monitor Chart, printer, lensmeter are communicated by wireless Bluetooth.
  • Page 58 management Auto refractometer Auto refractoemeter connection Auto refractoemeter data preview management interface Lensmeter none none management Printer management printer connection interface Printer data preview and printer operation interface 5.4.3.1 Equipment connection The operation way of Optometry head, chart monitor, lensmeter printer and refractometer is the same.
  • Page 59 Figure 5.36 disconnect dialog box If the current device not connected, click on the equipment records in any of the records, it will reminder whether to connect, as shown in figure 5.37: Figure 5.37connect dialog box Click [connected devices], will automatically return to the main interface, connection work with refractor head will be carried out in the background, when the connection is successful, the refractor head management buttons in the right menu will switch to connected state.
  • Page 60 Figure 5.38 auto refractometer data browsing interface ： loading auto refractometer data to refractor head ： Close the interface, not load data, to return to the interface of measurement...
  • Page 61 5.4.3.3 Print data preview and printer operation Short click the printer management button will turn out the print preview and print operation interface.As shown in figure 5.39. Figure 5.39 print preview interface It is divided into five parts according to the optometry item. Each part can be custom to add t print function or not .Just click the specified print part, will change whether to join the print.

  • Page 62: Fast Reset And Basic Settings

    5.5 Fast reset and basic Settings Click reset button will pop up prompt box as shown in figure 5.41: Figure 5.41 reset dialog box Fast reset function will empty the current naked eye, auto refracotmeter, refractor head and print data. General suggest printing operations, first to save data to the customer file, and reset in the end.

  • Page 63: Instrument Operation

    Figure 5.43 sphere step length selection menu Same for changing cross cylinder from 0.25D step to 0.5D. Press the key on the right of cross cylinder, a menu for cross cylinder stpe change will show up, press 0.5D, sace and exit. For changing the refractor head from CV7800 to CV-7600.

  • Page 64: Checking With Fog

    A customer wearing glasses, always complain of poor vision first check his original eyeglasses with lensmeter R ： -1.00DS/-0.50DC X 90° L ： -1.25DS/0-0.50DC X 180° PD=65mm Vision correction only about 0.7, may be the original degree is not enough lead to poor vision, now is required to draw a better glasses prescription 6.1 Checking with fog 1 、...

  • Page 65: Precise Inspection Astigmatism Axis And Degree

    Adjust astigmatism axis, and then adjust the astigmatism degree, from 0.00 to -0.25, then to -0.50, until every line is clear all the same. 4 、 change sphere degree by -0.25D one step The customer has myopia, the sphere degree of -1.75 D, after inspection, his degree value as shown in figure 6.2: Figure 6.2 Customer vision inspection situation 6.2 Precise inspection astigmatism axis and degree...
  • Page 66 Figure 6.3 dot group vision chart 2. Precise astigmatism axis: click button, to switching cross cylinder on both sides, ask customer which side is more clear, for example, if is more clear, it should to click the upward button ， if is more clear, it should to click the upward button , device will automatically change the astigmatism axis.

  • Page 67: Accurately Measure Sphere Degree If There Is A Deviation

    repeat the above steps, until the both sides is similar clear then definite the precise astigmatism degree. under the condition of changes astigmatism degree, device can automatically change sphere and cylinder linkage. It means ： If cynlinder change ±0.50DC ， sphere will automatically change±0.25DS.

  • Page 68: Binocular Balance Test

    this: Figure 6.4 Precise measurement sphere size interface Conclusion ： right eye ： -1.50DS/-0.50DC×100° Next ， check left eye. Cover the right eye, left eye cancel to cover. With the same step as the right eye, the result is ： -2.00DS/0.50DC×170° In order to make the customers obtain the better eyesight condition, we need to do binocular balance test.

  • Page 69: Heterophoria Measurement

    left eye. If it is same clear or fuzzy with the two lines, it means that binocular vision is balance. if not ， add sphere +0.25D on the eye which can see more clear ， supposed left eye add +0.25D ， it will become -1.75DS. 3.
  • Page 70 picture is shown like 42d ， There is no or low strabismus with melt image by itself , no need to adjust prism degree. If it shown as in picture 42c, use left prism degree button BI or BO, move left and right lighting point, remind the customer, if see the picture as shown in 42d then means stop, repeatedly measured to get an average value.

  • Page 71: Printer Using

    7. Printer using 7.1 Basic function of the printer 7.1.1 Turn on Under printer shutdown state, press [POWER] for one second, the printer will start to work, the power light (red) turn on. Attention: If the paper indicator light (blue) of printer is flashing but paper is enough, it means the power of the printer will use up, please change the battery or charging.

  • Page 72: Printing Mode

    7.2 Printing mode After Printer startup, search the printer by program on the tablet, select the corresponding printer to connect, if it is the first time to connection, you need to enter the password "0000", generally within 10 seconds, the connection is successfully established. If the connection failed to establish within 10 seconds, check that the Bluetooth on the tablet is on or not, try to connect it again.

  • Page 73: Clean And Disinfect

    The printer could not be opened · Confirm the printer battery running down of battery Printing function no response ·Please replace the printing paper ·Confirm the printing paper installed correctly If there is no troubleshooting way according to the inside of the form, please contact the dealer.

  • Page 74: Scrapping

    After the completion of each patient, please disinfect face shields and forehead. Methods: with a soft cloth dipped in 75% concentration of medical alcohol to wipe, 8.3 Scrapping Discarded products, accessories and spare parts, in accordance with the local government about accessories and spare parts discarded laws and regulations and recycle relevant laws and regulations, especially lithium battery can cause pollution to the environment.
  • Page 75 （ 2 ） Operation and maintenance accord with operator’s manual and service manual.Manufacturer disclaims all responsibility if problems caused by changes without permission, changed products is beyond the scope of manufacturers committed to service. 9.4 Manufacture date See product label.

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