Huvitz HRK-9000A User Manual
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Huvitz HRK-9000A User Manual

Auto ref/keratometer
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------------------------------------------------------------------------- HRK-9000A User Manual 1
User Manual
Auto Ref/Keratometer HRK-9000A
ОсОО «МЕДОФФ» www.medoff.net

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Summary of Contents for Huvitz HRK-9000A

  • Page 1 ------------------------------------------------------------------------- HRK-9000A User Manual 1 User Manual Auto Ref/Keratometer HRK-9000A ОсОО «МЕДОФФ» www.medoff.net...
  • Page 2 Huvitz has the right to make any kind of modification to this product or product specs anytime without prior notice and modification may not be renewed on this document.
  • Page 3 ------------------------------------------------------------------------- HRK-9000A User Manual 3 CAUTION Provision of information on the avoidance of light hazard from the optical device is required in ISO 15004-2:2007 “Ophthalmic instruments-Fundamental requirements and test methods” The light emitted from this instrument is potentially hazardous. The longer the duration of exposure, the greater the risk of ocular damage.

  • Page 4: Table Of Contents

    4 HRK-9000A User Manual ------------------------------------------------------------------------- Table of Contents Introduction ........................7 1.1. Intended Use ......................7 1.2. Equipment overview ....................7 1.3. Grade classification and mentioned items ............... 8 Information regarding safety ..................9 2.1. Introduction ....................... 9 2.2. Safety indication ..................... 10 2.3.
  • Page 5 ------------------------------------------------------------------------- HRK-9000A User Manual 5 8.2. Corneal curvature measurement mode (KER mode) ..........43 8.2.1. Manual measurement mode ................ 43 8.2.2. Automatic measurement mode ..............46 8.3. Continuous corneal curvature / refractive powermeasurement mode (K&R mode) .......................... 47 8.3.1. Manual measurement mode ................ 47 8.3.2.
  • Page 6 6 HRK-9000A User Manual ------------------------------------------------------------------------- 9.4. Measurement Data Transmission using WiFi ............109 9.4.1. WiFi Environment Setting ................109 9.4.2. Check WiFi Network Status ............... 113 9.4.3. Measurement Data Transmission ............. 116 9.5. Input method ......................119 9.6. Power saving function ..................120 10.

  • Page 7: Introduction

    ------------------------------------------------------------------------- HRK-9000A User Manual 7 1. Introduction 1.1. Intended Use The Auto Ref/Keratometer HRK-9000A is intended to be used to measure the refractive power of the eye. 1.2. Equipment overview Automatic eye examination refractive power measurement device, HRK-9000A is the equipment that measures refractive power of the test subject’s eyeball to show Sphere...

  • Page 8: Grade Classification And Mentioned Items

    8 HRK-9000A User Manual ------------------------------------------------------------------------- ▪ Meibomian gland filming function Automatic eye examination refractive power measurement device, HRK-9000A carries out automatic arrangement to the X-Y-Z axes (left and right/up and down/front and back) direction according to pupil to the location optimized for filming including pupil’s automatic tracking function.

  • Page 9: Information Regarding Safety

    ------------------------------------------------------------------------- HRK-9000A User Manual 9 2. Information regarding safety 2.1. Introduction Safety is everyone’s obligation and responsibility. Safe use of this device is important for everyone involved - installers, users, operators and device managers. It is a must to study and to master this user manual individually prior to installing, using, cleaning, repairing or controlling this device and its accessories.

  • Page 10: Safety Indication

    10 HRK-9000A User Manual ------------------------------------------------------------------------- 2.2. Safety indication The International Electro technical Commission (IEC) announced the symbols that warn when connecting electric medical device’s power or that warn against calamity that may occur. Classification and symbol are as follows. Symbols I and O regarding power switch signify power connection and blocking, respectively.
  • Page 11 ------------------------------------------------------------------------- HRK-9000A User Manual 11 Direct Current. Serial Number Humidity Limitation Atmospheric Pressure Limitation This side up Fragile , handle with care Do not use hand hooks Keep DRY Stacking Limit by Number Keep away from sunlight ОсОО «МЕДОФФ» www.medoff.net...

  • Page 12: Environment Related Matters

    12 HRK-9000A User Manual ------------------------------------------------------------------------- Huvitz Symbol 2.3. Environment related matters Avoid the following environment for operation and storage: Place where device comes directly into contact with moisture (do not operate the device with wet hand) Place where devi c e i s exposed di r ectly to sunl i ght.
  • Page 13 ------------------------------------------------------------------------- HRK-9000A User Manual 13 Pl a ce where devi c e i s exposed to severe shock or vi b ration Avoid placing the device where it may come into contact with chemical substance or place where there is...

  • Page 14: Prerequisites For Safety

    14 HRK-9000A User Manual ------------------------------------------------------------------------- As for the environment when storing the device, maintain temperature of –10 ~ 55 ℃, humidity level of 30 ~ 75 %, and atmospheric pressure of 700 ~ 1060 hpa. Take precaution so that the device won’t be subjected to excessive shock or vibration.
  • Page 15 This device should be operated by qualified personnel with sufficient training or under such personnel’s supervision. This device can be modified only by Huvitz’s service technician or a person with comparable qualifications. Device management by customer should be carried out as explained in the user or service manual.
  • Page 16 16 HRK-9000A User Manual ------------------------------------------------------------------------- cable. This device can be used according to this manual in relation to the refractive power, corneal curvature measurement and their application. Always test the state of the device’s external appearance and check whether it is functioning well before using the device.
  • Page 17 ------------------------------------------------------------------------- HRK-9000A User Manual 17 When this equipment is connected to the Wireless Network AP, set the wireless security type to WPA2-PSK. Access with applicable AP is not possible when other securities such as OPEN / WEP are set. (FDA recommended matter) The Company is not responsible for the problem that may result when accessing with the wireless network that is not secured.
  • Page 18 18 HRK-9000A User Manual ------------------------------------------------------------------------- CAUTION For use of equipment in rated voltage less than 125Vac,minimum 6A,Type SJT or SVT , 18/3AWG,10A, max 3.0m long : One end with Hospital Grade Type, NEMA 5-15P Other end with appliance coupler. For use of equipment in rated voltage less than 250Vac,minimum 6A,Type SJT or SVT , 18/3AWG,10A, max 3.0m long : One end terminated with blade attachment plug(HAR) Type, NEMA...

  • Page 19: Characteristics

    ------------------------------------------------------------------------- HRK-9000A User Manual 19 3. Characteristics It is possible to carry out both refractive power and corneal curvature measurement with one machine. It is possible to measure even the myopia since the refractive power measurement range is very broad ranging from –30 D to +25 D.

  • Page 20: Precautions During Use

    When moving the HRK-9000A, turn off the power switch always, and fixate the stage. Then, move by lifting up with lower part of the body with both hands. When HRK-9000A is not used for a long time, separate the power and cover it with the dust cover.
  • Page 21 ------------------------------------------------------------------------- HRK-9000A User Manual 21 ОсОО «МЕДОФФ» www.medoff.net...

  • Page 22: Name And Function Of Each Part

    22 HRK-9000A User Manual ------------------------------------------------------------------------- 5. Name and function of each part 5.1. Key part ④ ① ⑤ ⑥ ⑦ ② ⑧ ③ ⑨ [Figure 5-1. Front part] 1. Height arrangement sign: indicates the height that the test subject’s eyes should be placed 2.
  • Page 23 ------------------------------------------------------------------------- HRK-9000A User Manual 23 ① ② ③ ④ [Figure 5-2. Back part] 1. Forehead support stand: location for placing the forehead to prevent test subject from moving the face (Type B attachment part) 2. Measurement object lens: object lens for measuring the image that is formed in the eye retina 3.
  • Page 24 24 HRK-9000A User Manual ------------------------------------------------------------------------- ① ② ③ ⑤ ⑥ ④ [Figure 5-3. Lower part] 1. Clamping bolt: Fixate system stage 2. Power supply socket: Socket that connects with the outside power plug 3. Fuse holder: 250V T3.15AL 4. USB connector: Connector for connecting the USB connector for communication 5.

  • Page 25: Main Measurement Screen Button Explanation

    ------------------------------------------------------------------------- HRK-9000A User Manual 25 5.2. Main measurement screen button explanation ⑪ ⑩ ⑨ ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ [Figure 5-4. Front part’s switch] (MODE) button: Main measurement mode Button for modifying (REF, KER, K&R, KER-P, CLBC).
  • Page 26 26 HRK-9000A User Manual ------------------------------------------------------------------------- (VA) button: Button for converting the screen into the Visual Acuity test mode (MENU) button: Button for outputting the menu for converting to other measurement mode (COLOR VIEW, SIZE, ZERNIKE, RETRO-ILLUMINATION, TFBUT, MEIBO, DISPLAY MODE) (PRINT) Button: Button that prints measurement result.

  • Page 27: Equipment Installation And Preparation For Measurement

    [Figure 6-1. Unlocking stage part’s lock] 2. Access to the power cable - Place HRK-9000A on a table. - Put in the power cable into the power connector at the main body’s lower part. - Check to see whether the main body’s power is turned off, and put in the power plug into the AC socket.
  • Page 28 Normally, equipment that gets connected to this eye examination device include the PC that has Huvitz’s digital reflector, lens meter and software for management provided by a third party built-in. As for the connection and communication setting method, it may be different depending on the equipment that gets connected.

  • Page 29: Practical Training Via Model Eye

    ------------------------------------------------------------------------- HRK-9000A User Manual 29 7. Practical training via Model Eye 1. Turning the main body’s power ON - Connect the power code appropriately as shown on the diagram on the side. - Turn on the power switch. - Axis measurement screen appears when system check is completed.
  • Page 30 30 HRK-9000A User Manual ------------------------------------------------------------------------- 4. Convert to K&R, REF mode. If the current measurement mode is not set as “K&R” or “REF” on the monitor, change the mode setting so that the device can operate with one of the two.
  • Page 31 ------------------------------------------------------------------------- HRK-9000A User Manual 31 State that is too close to the eyes Location of accurate focus State that is too far from the eyes <Focusing Indicator> External arrangement ring Inner arrangement ring [Figure 7-4. Measurement location and focusing] ОсОО «МЕДОФФ» www.medoff.net...
  • Page 32 32 HRK-9000A User Manual ------------------------------------------------------------------------- 6. Measurement Manual measurement ① Carries out measurement location and focusing process for Model Eye. ② Press on the measurement switch. If measurement does not take place while the TRY AGAIN message gets output on the screen’s lower part once again, repeat the process of 1 and press on the measurement switch once again.

  • Page 33: Measurement

    WARNING When the following type of situation results, turn off the power switch immediately. Then, contact the Huvitz’s distributor after pulling out the power code from the AC power connection part. - When smoke is detected from the equipment or when strange smell or sound is heard.

  • Page 34: Refractive Power Measurement Mode (Ref Mode)

    34 HRK-9000A User Manual ------------------------------------------------------------------------- 8.1. Refractive power measurement mode (REF mode) This is the mode that measures refractive power by itself. - REF mode selection: Set in a way that the measurement mode indicator section on the screen turns into “REF” mode.
  • Page 35 ------------------------------------------------------------------------- HRK-9000A User Manual 35 - Have the test subject sit at the front part of the device. CAUTION - Do not have the test subject place his or her hand or finger on top of the chin rest’s lower part. Hand or finger may get injured.
  • Page 36 36 HRK-9000A User Manual ------------------------------------------------------------------------- time, ensure that the shining Mire Ring and outer side arrangement ring becomes concentric circle. - Ask the test subject to watch the fixating target at the inside. - Adjust the focus so that the Mire Ring’s outline becomes clear.
  • Page 37 ------------------------------------------------------------------------- HRK-9000A User Manual 37 NOTE - If trying to adjust by leaning the operation lever is not sufficient, adjust by pushing the stage to the front, back, left and right. - When carrying out refractive power measurement continuously, then there may be margin of error when it comes to measurement in case of the test subject that finds intervention of accommodation force easy.
  • Page 38 38 HRK-9000A User Manual ------------------------------------------------------------------------- - PD value (distance between pupils, Pupillary Distance) gets indicated on the monitor when the left and right eyes are measured. Distance between pupils [Figure 8-1-4. Screen indicating distance between pupils] Printing ⑥ - Print measurement result by pressing on the print button.
  • Page 39 ------------------------------------------------------------------------- HRK-9000A User Manual 39 [Figure 8-1-5. Example of a printed page] ОсОО «МЕДОФФ» www.medoff.net...

  • Page 40: Automatic Measurement Mode

    40 HRK-9000A User Manual ------------------------------------------------------------------------- 8.1.2. Automatic measurement mode The mode gets converted to automatic measurement mode when MANUAL button is pressed on while in the manual measurement mode. While in the automatic measurement mode, measurement is carried out automatically even when the measurement button is not pressed on when the state reaches a state in which arrangement in the device and measurement is realized effectively.
  • Page 41 ------------------------------------------------------------------------- HRK-9000A User Manual 41 Measurement of the other eye. ③ - Move the stage to the right side to measure the left eye using the same procedure. - When the measurement of the two eyes is complete, PD value is indicated on the monitor screen automatically.
  • Page 42 42 HRK-9000A User Manual ------------------------------------------------------------------------- Refer to the following explanation when you see TRY AGAIN. When TRY AGAIN message appears Measures Arrange pupil’s location more Defective location fitting accurately, and measure Measure by asking the test subject to When eyelids or inner eyelashes...

  • Page 43: Corneal Curvature Measurement Mode (Ker Mode)

    ------------------------------------------------------------------------- HRK-9000A User Manual 43 8.2. Corneal curvature measurement mode (KER mode) This is the mode for measuring the radius of cornea’s curvature on its own. - KER mode selection: Set so that the measurement mode indicator section on the screen becomes “KER”...
  • Page 44 44 HRK-9000A User Manual ------------------------------------------------------------------------- Iris Pupil Outer line arrangement ring Φ (minimum pupilloscope 2.0mm) [Figure 8-2-1. KER mode indicator screen] Carry out the process using the same process as that of the (repetitive ③ measurement), (measurement of the opposite eyes) in the 8.1.1 refractive power measurement mode.
  • Page 45 ------------------------------------------------------------------------- HRK-9000A User Manual 45 [Figure 8-2-2. Example of a printed page] ОсОО «МЕДОФФ» www.medoff.net...

  • Page 46: Automatic Measurement Mode

    46 HRK-9000A User Manual ------------------------------------------------------------------------- 8.2.2. Automatic measurement mode The mode gets converted to automatic measurement mode when MANUAL button is pressed on while in the manual measurement mode. In case of automatic measurement mode, when the state reaches a state in which the arrangement in the...

  • Page 47: Continuous Corneal Curvature / Refractive Powermeasurement Mode (K&R Mode)

    ------------------------------------------------------------------------- HRK-9000A User Manual 47 8.3. Continuous corneal curvature / refractive powermeasurement mode (K&R mode) This is the mode for carrying out the corneal curvature measurement and refractive power measurement continuously. - K&R mode selection: Set so that the measurement mode indicator section on the screen becomes “K&R”...
  • Page 48 48 HRK-9000A User Manual ------------------------------------------------------------------------- Iris Pupil Mire Ring arrang ement 링 [Figure 8-3-1. K&R mode indicator screen] Operation process that is the same as that of the (repetitive measurement), ③ (measurement of the opposite eyes) was executed in the 8.1.1 refractive power measurement mode.
  • Page 49 ------------------------------------------------------------------------- HRK-9000A User Manual 49 [Figure 8-3-2. Example of a printed page] ОсОО «МЕДОФФ» www.medoff.net...

  • Page 50: Automatic Measurement Mode

    50 HRK-9000A User Manual ------------------------------------------------------------------------- Screen indication format selection ⑤ - It is possible to designate symbol of astigmatism refractive power in the measurement mode that includes refractive power measurement. It is possible to designate in the user Setup mode. Moreover, it is possible to indicate Refractive power’s measurement data following VD value in the measurement...

  • Page 51: All Kinds Of Markings

    ------------------------------------------------------------------------- HRK-9000A User Manual 51 8.3.3. All kinds of markings Denomi Symbol’s Coping Type nation meaning method indicate s low reliability measurem reliabilit measurem ent value measur spherical ement prescriptio range n exceeds exceed +25 D Curve measurem measur spherical...

  • Page 52: Peripheral Corneal Measurement (Ker-P Mode)

    52 HRK-9000A User Manual ------------------------------------------------------------------------- 8.4. Peripheral Corneal measurement (KER-P mode) This is the mode that measures cornea’s center and periphery curvature separately. Periphery curvature is measured at the locations toward the up and down left and right direction using the cornea’s center as the standard. Relative eccentricity is shown by comparing periphery curvature with the cornea center’s curvature.
  • Page 53 ------------------------------------------------------------------------- HRK-9000A User Manual 53 [Figure 8-4-1. KER-P mode indicator screen] Contents indicated on the screen when measuring cornea’s center R1: Curvature (major axis) at the cornea center R2: Curvature (minor axis) at the cornea center AX: Axis direction of the cornea center curved surface HEC: Eccentricity of the overall eyeball’s horizontal direction...
  • Page 54 54 HRK-9000A User Manual ------------------------------------------------------------------------- applies to the periphery location that is measured currently gets flickered. Periphery direction Superior (SUP): Upper side from the cornea’s center Inferior (INF): Lower side from the cornea’s center Temple (TEM): Towards the temple of the person subjected to measurement from the cornea’s center...
  • Page 55 ------------------------------------------------------------------------- HRK-9000A User Manual 55 [Figure 8-4-2. KER-P mode measurement screen] Contents indicated on the screen when measuring Peripheral Corneal (SUP, INF, TEM, and NAS) R1: Curvature (major axis) at the Peripheral Corneal R2: Curvature (minor axis) at the Peripheral Corneal...
  • Page 56 56 HRK-9000A User Manual ------------------------------------------------------------------------- ОсОО «МЕДОФФ» www.medoff.net...

  • Page 57: Other Mode

    ------------------------------------------------------------------------- HRK-9000A User Manual 57 9. Other mode 9.1. Visual Acuity Test Mode Visual Acuity Test Mode offers to measure refraction of an examinee subjectively by using a chart that can observe in the equipment. Refraction offers a function to immediately percept uncorrected vision, corrected vision using the lenses inserted in the equipment and vision changes from before and after the correction.
  • Page 58 58 HRK-9000A User Manual ------------------------------------------------------------------------- : Set chart type as number type. : Set chart type as Landolt type. Set the chart type to radial chart type. : Set LED ON/OFF for glare examination. : Set brightness for low contrast examination.

  • Page 59: Uncorrected Vision Measurement

    ------------------------------------------------------------------------- HRK-9000A User Manual 59 : Change lens status to fit examinee’s REF measurement data. : Adjust lens status 1 step further than current setting. : Adjust lens status 1 step lesser than current setting. 9.1.1. Uncorrected Vision Measurement Press button to convert to Visual Acuity Test mode.

  • Page 60: Corrected Vision Measurement

    60 HRK-9000A User Manual ------------------------------------------------------------------------- button at the upper left side to convert two charts, and press on the radial chart button to select chart. Adjust retraction level of the chart according to the answers of examinee. ⑤ : Adjust refraction of chart 1 step lower.
  • Page 61 ------------------------------------------------------------------------- HRK-9000A User Manual 61 Activate automated tracking function using button, and the machine will adjust focus by automatically tracking down the pupil. Apply the refraction information of the examinee on correction lens by pressing ③ button. The chart for examination is set at 0.8 by default. Data of the chart to be shown ④...
  • Page 62 62 HRK-9000A User Manual ------------------------------------------------------------------------- Change refraction on correction lens as necessary. Refraction on correction lens ⑧ can be adjusted using buttons after selecting one among SPH ), CYL ( ) and AXS ( Current selection(SPH) are marked with a rectangle as the figure below.

  • Page 63: Other Examinations

    ------------------------------------------------------------------------- HRK-9000A User Manual 63 necessary by pressing button. Measure refraction on the other eye in the same manner. ⑫ 9.1.3. Other Examinations (Near Distance Refraction, Glare and Low Contrast Environment) After completing measurement on refraction on corrected vision, additional tests such as near distance refraction, glare and low contrast environment can be conducted as necessary.
  • Page 64 64 HRK-9000A User Manual ------------------------------------------------------------------------- Pressing button will turn LED on and off for glare examination. LED ② are located on the left and right of the chart examinee sees. LED operation status can be checked through the status of images or buttons on the left and right of the chart status image on the upper left of the screen.

  • Page 65: Other Menu Mode

    ------------------------------------------------------------------------- HRK-9000A User Manual 65 9.2. Other menu mode It is possible to convert to other mode by pressing on the button in the main measurement mode. Press on the button in all other modes to end the current mode and to return to the main measurement mode.
  • Page 66 66 HRK-9000A User Manual ------------------------------------------------------------------------- [Figure 9-2-1. Color View mode indicator screen] Categories for the buttons that are indicated on the screen are as follows. : Select Yellow Filter mode ON/OFF. : Select White LED mode ON/OFF. : Select Blue LED mode ON/OFF.
  • Page 67 ------------------------------------------------------------------------- HRK-9000A User Manual 67 are used to adjust the White LED to an adequate brightness. ④ Categories of the data indicated on the screen are follows. - R1 : Indicates corneal curvature’s major axis - R2 : Indicates corneal curvature’s minor axis - AX : Indicates corneal curvature’s axis...
  • Page 68 68 HRK-9000A User Manual ------------------------------------------------------------------------- [Figure 9-2-1-1. Color View mode indicator screen (Yellow Filter)] NOTE Yellow Filter function is the function that uses S/W. 9.2.1.2. White LED This is the function that uses White LED illumination to observe with color image.
  • Page 69 ------------------------------------------------------------------------- HRK-9000A User Manual 69 [Figure 9-2-1-2. Color View mode indicator screen (White LED)] 9.2.1.3. Blue LED This is the function that observes cornea and contact lens Fitting degree by using fluorescence solution and Blue LED. 1. Wear contact lens after dyeing the eyes using fluorescence solution.
  • Page 70 70 HRK-9000A User Manual ------------------------------------------------------------------------- [Figure 9-2-1-3. Color View mode indicator screen (Blue LED)] 9.2.1.4. Returning to the measurement mode Press on the button in the Color View mode to return to the main measurement mode. 9.2.1.5. Capture screen 1. Captures the image of subject of eye examination by pressing on the measurement button (joystick) in the Color View mode.
  • Page 71 ------------------------------------------------------------------------- HRK-9000A User Manual 71 [Figure 9-2-1-4. Color View mode - capture screen] 9.2.1.6. Capture image viewing screen [Figure 9-2-1-5. Color View mode – captured image selection screen] ОсОО «МЕДОФФ» www.medoff.net...
  • Page 72 72 HRK-9000A User Manual ------------------------------------------------------------------------- : Emphasizes the green of the measurement image. (It is possible to check the distribution state of the fluorescence solution easily by indicating after emphasizing the green color of the measured image.) : Measures angle. (Measures angle by touching the screen with three points of the angle to be measured.)
  • Page 73 ------------------------------------------------------------------------- HRK-9000A User Manual 73 : Measures length. (Measures length by touching the screen with two points at the ends of the two sides when it comes to the length to be measured.) : Indicates guideline (3 mm, 5 mm, 7 mm).
  • Page 74 74 HRK-9000A User Manual ------------------------------------------------------------------------- : Indicates contact lens fitting state. (Automatically discerns out in stages whether cornea’s curvature and contact lens’ curvature is flat, normal or steep to indicate on the screen.) [Figure 9-2-1-6. Flat, Normal, Steep icon screen] : Returning to the original state.

  • Page 75: Size Mode (Pupil Diameter Measurement)

    ------------------------------------------------------------------------- HRK-9000A User Manual 75 ⇒ 9.2.2. SIZE mode (pupil diameter measurement) This is the mode that measures pupil’s diameter. 1. Press on the button in the main measurement mode. Then, SIZE mode gets selected when the SIZE button is pressed on.
  • Page 76 76 HRK-9000A User Manual ------------------------------------------------------------------------- Left eye Iris Vertical bar Pupil Cornea Border Button to move the left vertical bar Button to move the right vertical bar Indicates measurement and average values [Figure 9-2-2-2. Size mode indication screen (2)] 4. Measurement location and focusing - Ask the test subject to watch fixating target at the inside.

  • Page 77: Zernike Mode

    ------------------------------------------------------------------------- HRK-9000A User Manual 77 - Left button and button adjust the movement of the left bar while button of the right side button adjust the movement of the right side bar. - Measurement value is indicated on the monitor.
  • Page 78 78 HRK-9000A User Manual ------------------------------------------------------------------------- Wave-front as the standard when it is at the emmetropia. After measuring the refractive power in the REF or K&R mode, press on the ZMODE button of the button to convert to Zernike mode. Guidance message gets indicated as “Calculating…”...
  • Page 79 ------------------------------------------------------------------------- HRK-9000A User Manual 79 in which Wave-front’s Low order aberrations and High order aberrations are expressed with colors. Information on the measurement domain is indicated on the screen’s lower part. Result calculated on the pupil’s narrow domain, wide domain is indicated separately on the left and right sides.
  • Page 80 80 HRK-9000A User Manual ------------------------------------------------------------------------- [Figure 9-2-3-3. Zernike mode screen (Map) – High order] Graph on the left side of the screen indicated degree of Wave-front aberrations in the pupil domain in colors. Emmetropia, hyperopia and myopia are expressed in green, blue and red, respectively.
  • Page 81 ------------------------------------------------------------------------- HRK-9000A User Manual 81 - 2nd Ast. : Definition of representative aberrations (secondary astigmatism) - Sph Abr. : Definition of representative aberrations (spherical aberrations) - RMS (Low) : Low order aberrations’ average - RMS (High) : High order aberrations’ average Graph gets amplified into the entire screen when you press on the “+”...
  • Page 82 82 HRK-9000A User Manual ------------------------------------------------------------------------- : PSF image PSF Image is indicated on the screen’s left side to make it easy to know how light of the point shape forms at the retina based on the measured refractive power, and it is indicated on the right side how visual target for testing gets twisted in order to help understand.
  • Page 83 ------------------------------------------------------------------------- HRK-9000A User Manual 83 : Lattice type of chart : Radiation type of chart : ETDRS chart 9.2.3.2. Screen conversion When the stage is moved to the left and right using operation lever, graph, Zernike coefficients and PSF image get converted to the results that are gained from the applicable stage location.

  • Page 84: Retro-Illumination Mode

    84 HRK-9000A User Manual ------------------------------------------------------------------------- [Figure 9-2-3-6. Zernike mode (Map, PSF image) screen conversion] 9.2.4. RETRO-ILLUMINATION mode Retro-Illumination mode is the mode that can observe eye lens by using Retro- illumination method. It is possible to observe eye lens’ state by observing the shape of the light that is reflected from the retina while changing the brightness of the light that is radiated onto the eyes through illumination.
  • Page 85 ------------------------------------------------------------------------- HRK-9000A User Manual 85 [Figure 9-2-4-1. Retro-Illumination screen] The mode turns into the Retro-Illumination mode when the RETRO-ILL button is ① pressed on after pressing on the button. (Eye height adjustment), (measurement location and focusing) process is carried ②...
  • Page 86 86 HRK-9000A User Manual ------------------------------------------------------------------------- screen. Measurement screen show on the screen along with the Retro- illumination image by measuring eyes’ refractive power, astigmatism and astigmatism continually at the current location. [Figure 9-2-4-2. Retro-Illumination measurement screen] Buttons of the Retro-Illumination mode that are indicated on the screen are as follows.
  • Page 87 ------------------------------------------------------------------------- HRK-9000A User Manual 87 : Button for increasing illumination’s brightness 9.2.4.2. Retro-Illumination observation Adjusts brightness of the LED for refractive power measurement ① - To see the image clearly, use button and button to change the LED brightness for refractive power measurement to an appropriate brightness.
  • Page 88 88 HRK-9000A User Manual ------------------------------------------------------------------------- It is possible to save up to two images for the left and right eyes when it comes to the images saved by using measurement button. 9.2.4.4. Test for other eye Saves the desired image for other eye as well.
  • Page 89 ------------------------------------------------------------------------- HRK-9000A User Manual 89 ② In the Display mode, each saved image is indicated on the screen and it is possible to indicate by amplifying the image when you touch a desired image. ③ The mode returns to the Display mode when the button is pressed on while at the amplified screen.

  • Page 90: Tfbut Measurement Mode (Tear Film Break-Up Time)

    90 HRK-9000A User Manual ------------------------------------------------------------------------- It is possible to return to the main measurement mode if you press on the button while at the observation screen. 9.2.5 TFBUT measurement mode (Tear film break-up time) This is the mode for measuring the time required until the dry part of the cornea’s surface appears (tear film destruction time) after blinking the eyes.
  • Page 91 ------------------------------------------------------------------------- HRK-9000A User Manual 91 Button that indicates the filmed image on the view all screen. Button for deleting measured data : Button that lowers stage of LED’s brightness by one step : Indicates current LED’s brightness. : Button that increases stage of LED’s brightness by one step 9.2.5.1.

  • Page 92: Meibography Mode

    92 HRK-9000A User Manual ------------------------------------------------------------------------- - When measured wrongly, it is possible to exclude wrongly measured measurement time from the average time. When the wrongly measured time is touched, red line is indicated on top of the measurement time. This time is excluded from the average time 9.2.5.2.
  • Page 93 ------------------------------------------------------------------------- HRK-9000A User Manual 93 [Figure 9-2-6-1. Meibography mode indicator screen] Categories of the buttons that are indicated on the screen are as follows. : Button for modifying to the upper eyelid filming mode : Button for modifying to the lower eyelid filming mode : Button for indicating and analyzing filmed image 9.2.6.1.
  • Page 94 94 HRK-9000A User Manual ------------------------------------------------------------------------- ② Select the direction (up or down) of the eyelids where the meibomian gland to be measured is located. ③ Use joystick button to film meibomian gland. (Possible to film up to four pages) 9.2.6.2. Filming result selection screen 1.
  • Page 95 ------------------------------------------------------------------------- HRK-9000A User Manual 95 1. Press on the button on the screen that filmed meibomian gland and the four images filmed recently are output on the DISPLAY screen. 9.2.6.3. Meibomian gland emphasis and analysis result screen [Figure 9-2-6-3. Meibography View mode –...
  • Page 96 96 HRK-9000A User Manual ------------------------------------------------------------------------- 1. Pressing on the button analyses filmed image, and only part that applies to the meibomian gland among the eyelid domain is emphasized brightly and indicated on the screen. 2. Pressing on the button indicates the original copy image on the screen.

  • Page 97: Display Mode

    ------------------------------------------------------------------------- HRK-9000A User Manual 97 9.2.7. DISPLAY mode It is possible to see the measurement results that are saved in the memory (up to 10 for the left and right eyes). The mode changes into the DISPLAY mode when the DISP button is pressed on after pressing on the button at the main measurement mode.
  • Page 98 98 HRK-9000A User Manual ------------------------------------------------------------------------- Categories of the buttons that are indicated on the screen are as follows. : This is the screen that shows Refractometry measurement result. : This is the screen that shows Keratometry measurement result. : This is the screen that shows Ker-p measurement result.

  • Page 99: User Setup Mode

    ------------------------------------------------------------------------- HRK-9000A User Manual 99 9.3. User SETUP mode It is possible to adjust various setups related to the measurement, printer output and others. You can go into the user SETUP mode by pressing on the (SETUP MODE) button in the main measurement screen. User SETUP mode is comprised of two pages, and each page gets classified into various tabs once again.
  • Page 100 100 HRK-9000A User Manual ------------------------------------------------------------------------- [Figure 9-3-1. Setup mode information (page 1/2)] [Contents of the category]: 1/2 Page 1. REF (cornea measurement) VD (0.0/12.0/13.75/15.0) : Distance between corneal apex and corrective lens CYLINDER (-/+/Mix) : Astigmatism marking form STEP (0.01/0.12/0.25)
  • Page 101 ------------------------------------------------------------------------- HRK-9000A User Manual 101 KER (curve measurement) mm/D (mm/D/AVG) : cornea measurement의 marking form R1 ·················· major axis radius R2 ·················· minor axis radius AX ·················· major axis’s angle K1 ·················· minimum cornea refractive power K2 ·················· maximum cornea refractive power AX ··················...
  • Page 102 102 HRK-9000A User Manual ------------------------------------------------------------------------- : Select near test working distance. NEAR ADD (0.25~2.00) : Set initial add power value when near testing. (Increases or decreases to 0.25~2.00 with 0.25step) 4. AUTO START (automatic function) AUTO MEASUREMENT (Off/On (3)/On (5)/On (A))
  • Page 103 ------------------------------------------------------------------------- HRK-9000A User Manual 103 : Data format setting for transmission method. 6. PRINT (printing setting) AUTO PRINT (Off/On): When measurement takes place in automatic measurement mode, measurement result is printed automatically when the measurement is completed in sequence for the left and right eyes .
  • Page 104 104 HRK-9000A User Manual ------------------------------------------------------------------------- On: Selects output of the eyeball and curve figures following Refractometry measurement result R. CYL (Off/On): Selects remaining astigmatism output. 7. PRINT MESSAGE : Inputs message to be output along with measurement data at the time of printing.
  • Page 105 ------------------------------------------------------------------------- HRK-9000A User Manual 105 DISPLAY (YMD/MDY/DMY): year/month/day marking form setting YMD: year/month/day MDY: month/day/year DMY: day/month/year DATE: Modification of the setting for date (year/month/day) (Scope: Y = 00 ~ 99, M = 01 ~ 12, D = 01 ~ 31 (1 ~ 28 when the M is...
  • Page 106 106 HRK-9000A User Manual ------------------------------------------------------------------------- LCD BRIGHTNESS (10 ~ 100%) : Adjust brightness of LCD display LCD COLOR TEMPERATURE (COOL ~ WARM) : Adjust color temperature of LCD display 11. WIFI (wireless communication setting) WIFI (Off/On): Selects whether to use the data transmission function with...
  • Page 107 ------------------------------------------------------------------------- HRK-9000A User Manual 107 VERIFY: test whether it is possible to connect to the AP by using the currently input password CAUTION Wireless AP to be connected to this device should be set to WPA2-PSK when it comes to the security setting. Access may be restricted in case of the AP that is set to other wireless security.
  • Page 108 108 HRK-9000A User Manual ------------------------------------------------------------------------- LANGUAGE (English): Selects the language that is indicated on the screen and printer output door. BEEP SOUND VOLUME (Off/Low/Mid/High): Sets up the Beep sound output to small, average and large. INITIAL MODE (REF/KER/K&R): selection of initial measurement mode.

  • Page 109: Measurement Data Transmission Using Wifi

    ------------------------------------------------------------------------- HRK-9000A User Manual 109 9.4. Measurement Data Transmission using WiFi Measurement data can be transmitted to Huvitz Co. Ltd, phoropter using a WiFi network. Data can be transmitted without direct data cable connection using this function. Thus, it does not require any additional installations or take up installation spaces as it uses wireless network.
  • Page 110 110 HRK-9000A User Manual ------------------------------------------------------------------------- WiFi Network Setting for Phoropter ② Set up environment to connect to AP set on ① by referring to the manual of a phoropter. After setting up the environment, please remember the assigned IP address.
  • Page 111 ------------------------------------------------------------------------- HRK-9000A User Manual 111 3. Set TRANSFER TYPE to set up data transmission method. (Refer to 9.4.3) 4. Press on the AP SSID entry window to enter SSID. When SSID is not known, press SCAN button on the right to select from available AP SSID.
  • Page 112 112 HRK-9000A User Manual ------------------------------------------------------------------------- [Figure 9-4-3. WiFi AP Password Verification Result Screen] Phoropter Connection Setting for ref/keratometer ④ [Figure 9-4-4. WIFi Phoropter Connection Setting Screen] 1. Convert to User SETUP Mode, ad select HDR IP 1 on page 2.

  • Page 113: Check Wifi Network Status

    ------------------------------------------------------------------------- HRK-9000A User Manual 113 2. Enter information for phoropter to connect on each field. : Select if phoropter will use the data transmission function. : Enter a name for the phoropter. Enter the IP address of the phoropter. (Refer to ②.) If there are more than six phoropters to enter, additional phoropters can be entered under HDR IP 2 Menu.
  • Page 114 114 HRK-9000A User Manual ------------------------------------------------------------------------- For user convenience, the machine will operate to make attempts to connect to AP automatically while the power is on if it is not connected to AP. Thus, user does not have to go through the AP connection process.
  • Page 115 ------------------------------------------------------------------------- HRK-9000A User Manual 115 CAUTION When the upper network’s DHCP function is used due to the nature of the AP’s DHCP movement, AP’s IP re-allocation movement may result, and thus network connection may be unstable during random period. [Figure 9-4-6. Phoropter Connection Status Screen] Status of each phoropter will be shown graphically on the four windows.

  • Page 116: Measurement Data Transmission

    116 HRK-9000A User Manual ------------------------------------------------------------------------- : Data transmission is complete. (At times of data transmission) : Data transmission was unsuccessful. (At times of data transmission) : There is not a phoropter selected. If there is a connection error and the current status is on (2), try connecting again by pressing on the phoropter window.
  • Page 117 ------------------------------------------------------------------------- HRK-9000A User Manual 117 [Figure 9-4-7. Transmission Complete on AUTO Mode] After confirming the result, press OK to turn off the status screen. If there are connection errors on one or more phoropters, the setting will be converted to MANUAL without transmitting the data.
  • Page 118 118 HRK-9000A User Manual ------------------------------------------------------------------------- [Figure 9-4-8. Current Phoropter Connection Status Screen on MANUAL Mode] Transmit data to a phoropter of user’s choice by pressing on the phoropter window. If the phoropter is not connected, try to reconnect by pressing the window as shown in 9.4.2.

  • Page 119: Input Method

    ------------------------------------------------------------------------- HRK-9000A User Manual 119 9.5. Input method [Figure 9-5-1. other (text) input] [Text input] : Converts capital letter/small letter input mode. : Deletes all the input texts. : (Back Space) deletes only one letter in front of the cursor.

  • Page 120: Power Saving Function

    120 HRK-9000A User Manual ------------------------------------------------------------------------- [Figure 9-5-2. other (number) input] [Number input] Range: Minimum ~ maximum scope that can be input (Does not get saved when the scope is deviated from, and the warning message, “Out of Range!” appears.) : Deletes the last number.

  • Page 121: Self-Diagnosis And Maintenance/Repair

    ------------------------------------------------------------------------- HRK-9000A User Manual 121 Power-saving function gets activated when you do not operate any function during three minutes (default). The mode returns to the measurement mode when you press on any button or touch the screen during the power-saving mode. It is possible to modify the power-saving time when you select the “SLEEP MODE”...
  • Page 122 122 HRK-9000A User Manual ------------------------------------------------------------------------- INVALID SETUP DATA Abnormality of the internal data Contact a sales distributor - KER for Keratometry ② Message during measurement Message Root causes Measures Refer to Page 15 Refer to Page 15 TRY AGAIN Contamination of the object lens on...

  • Page 123: Replacing

    ------------------------------------------------------------------------- HRK-9000A User Manual 123 Cornea astigmatism of the eye for testing exceeds 15 D Contamination of the object lens on Clean the object lens the measurement screen ③ Message when printing Message Root causes Measures There is no printer page or the...

  • Page 124: Chin Rest Paper

    124 HRK-9000A User Manual ------------------------------------------------------------------------- ⑤ Close the cover after fitting in the ends of the paper to the hole that lies in between the covers. [Figure 10-1. Printer paper replacing] 10.2.2. Chin rest paper ① Take out two pins from the chin rest.

  • Page 125: Cleaning Equipment

    ⑦ For low-level disinfection(normally), the patient contact parts may be wiped with any of the following low level disinfectants Methods to disinfect to HRK-9000A are as below: - Dry heat - Mechanical cleaning with disposable wipe / sterile gauze...
  • Page 126 126 HRK-9000A User Manual ------------------------------------------------------------------------- Cleaner/ Cleared/Approved Solution Manufacturer Active ingredient Disinfectant for use in Proteolyticenzyme, Alkazyme Alkapharm Cleaner Europe Quat, Ammonia Steis/Calgon Klenzyme Cleaner Enzymes USA & Europe Corp. ⑧ For high-level disinfection(if needed), the patient contact parts may be wipe using one of...

  • Page 127: When Moving Equipment Installation Place

    ------------------------------------------------------------------------- HRK-9000A User Manual 127 10.4. When moving equipment installation place ① Turn off the main body’s power switch. ② Separate power connection cable. ③ Lock by turning the Clamping bolt into the clockwise direction. ④ Move while maintaining horizontal balance while holding the lower part of the main body.

  • Page 128: Information Needed For Servicing

    128 HRK-9000A User Manual ------------------------------------------------------------------------- 11. Information needed for servicing Repair: Contact the Huvitz’s distributor after preparing the information on the following matters when the problem is not resolved even after taking the measures described on Page 10. equipment name: HRK-9000A equipment’s serial number: number on the name plate that is comprised...
  • Page 129 ------------------------------------------------------------------------- HRK-9000A User Manual 129 Huvitz Co., Ltd. contact numbers address : Huvitz Co., Ltd. Tel: 031-428-9100 (main) 298-29, Gongdan-ro, Gunpo-si, Fax: 031-477-9022 (C/S) Gyeonggi-do, 435-862, Korea e-mail: svc@huvitz.com www.huvitz.com Manufacturer: Huvitz Co., Ltd. 16-17(Hogye-dong), 91-beongil, LS-ro, Tel: 031-428-9100 Dongan-gu, Anyang-si, Gyeonggi-do,...

  • Page 130: Key Specs

    130 HRK-9000A User Manual ------------------------------------------------------------------------- 12. Key specs Measurement mode Cornea/curve continuous measurement (K/R mode) Curve measurement (REF mode)，cornea measurement (KER mode) Cornea periphery measurement (KER-P mode) Curve measurement Distance between vertex 0.0, 12, 13.75, 15.0 of cornea (VD) Spherical prescription -30.00 ~ +25.00 D (in case of VD = 12 mm)
  • Page 131 ------------------------------------------------------------------------- HRK-9000A User Manual 131 measurement unit: 25.96D~67.50D Cornea refractive power (cornea equivalence’s refractive power: 1.3375) indication unit: 0.05/0.12/0.25D unit Cornea astigmatism ~ -15.00 D prescription (Increments: 0.05/0.12/0.25 D) Cornea astigmatism 0 ~ 180˚ (1˚/ 5˚ unit) axis angle Cornea diameter 2.0 ~ 14.0 mm (0.1 mm unit)
  • Page 132 132 HRK-9000A User Manual ------------------------------------------------------------------------- Auto travel distance Up and down ± 15 mm (± 3 mm) Left and right ± 5 mm (± 2 mm) Front and back ± 5 mm (± 2 mm) Automatic tracking scope Up and down ±...
  • Page 133 ------------------------------------------------------------------------- HRK-9000A User Manual 133 Key power is blocked when the measurement is stopped up the set time. Recovered when power-saving function pressing on the button or when the screen is touched. 85 Tiltable 7” Color LCD IPS Panel (800*480)

  • Page 134: Accessories

    134 HRK-9000A User Manual ------------------------------------------------------------------------- 13. Accessories [Figure 13-1. Accessories] 1. Power cable (AC 220 V / 60 Hz power code, 1.5m) ········· ······ ·························1 2. Mod el Eye ············································································1 (SPH: –2.50D~-2.75D, CYL: -1.25D~-1.50D, R1: 7.95~8.00, R2: 7.78~7.83) 3. Chin rest paper (100 pages) ······························································· 1 page 4.

  • Page 135: Emc Informations

    Manufacturer announcement – electromagnetic waves trouble Electromagnetic waves trouble HRK-9000A should be used in the below mentioned electromagnetic wave environment. HRK-9000A purchaser or user needs to confirm whether HRK-9000A is used in this type of environment. Trouble test Question of...
  • Page 136 Manufacturer announcement – electromagnetic waves tolerance electromagnetic waves tolerance HRK-9000A is to be used in the below designated electromagnetic wave environment. HRK-9000A customer and user need to guarantee that the HRK-9000A will be used in this type of environment. Tolerance test...
  • Page 137 ------------------------------------------------------------------------- HRK-9000A User Manual 137 HRK-9000A is to be used in the below mentioned electromagnetic wave environment. HRK-9000A purchaser or user needs to confirm whether HRK-9000A is sued at this environment. Tolerance test IEC 60601 Appropriaten Electromagnetic wave test ess level environment－guideline...
  • Page 138 138 HRK-9000A User Manual ------------------------------------------------------------------------- environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the HRK-9000A is used exceeds the applicable RF compliance level above, the HRK-9000A should be observed to verify normal operation.
  • Page 139 RF transmitter, field inspection is required. If the electric intensity used by the HRK-9000A that is measured at the outside of the shielded location exceeds 3 V/m, then it is necessary to observe and verify whether HRK-9000A operates normally.

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