Topcon Compu-Vision CV-5000 User Manual

USER MANUAL
COMPU-VISION
CV-5000
CV-5000

INTRODUCTION

Thank you for purchasing the TOPCON Compu-Vision CV-5000.
INTENDED USE / INDICATIONS FOR USE
FEATURES
This instrument has the following features:
The compact design enables you to see the patient's face.The distance acuity chart can be controlled by a personal computer.The PD (pupli distance) and the anterior eye alignment can be checked even in a dark
optometry room.
"Help", "Mouse Navigation" and other functions support the optometrist.
PURPOSE OF THIS MANUAL
To ensure safe and effective use of the instrument, carefully read "DISPLAY FOR SAFE USE" and "SAFETY CAUTIONS" and then use the instrument as instructed. Keep the user manual at hand for future reference.
INTENDED PATIENT POPULATION
The patient who undergoes an examination by this instrument must maintain concentra-
tion for a few minutes and keep to the following instructions:
To fix the face to the forehead rest. To understand and follow instructions when undergoing an examination.
CAUTION : Federal laws restricts this device to the sale by or on the order of a physician.
1. No part of this manual may be copied or reprinted, in whole or in part, without prior written permission.
2. The contents of this manual are subject to change without prior notice and without legal obligation.
3. The contents of this manual are correct to the best of our knowledge. Please inform us of any ambiguous or erroneous descriptions, missing information, etc.
4. Original Instructions This instruction manual was originally written in English.
1
DISPOSAL
This symbol is applicable for EU member countries only. To avoid potential negative consequences for the environment and possibly human health, this instrument should be disposed of (i) for EU member countries - in accordance with WEEE (Directive on Waste Electrical and Electronic Equipment), or (ii) for all other countries, in accordance with local disposal and recycling laws.
Dispose of the instrument according to local disposal and recycling laws.
ENVIRONMENTAL CONDITIONS FOR USE
Temperature : 10°C - 40°C Humidity : 30% - 90% (non-condensing) Air pressure : 700hPa - 1060hPa
STORAGE, USAGE PERIOD
1. Storage (without wrapping (without package)) * Temperature: 10°C - 40°C Humidity: 10% - 95% (without dew condensation) Air pressure: 700hPa - 1060hPa * THIS INSTRUMENT DOES NOT MEET THE TEMPERATURE REQUIREMENTS OF
ISO 15004-1 FOR STORAGE. DO NOT STORE THIS INSTRUMENT IN CONDITIONS WHERE THE TEMPERATURE MAY RISE ABOVE 40°C OR FALL BELOW 10°C.
2. Storage (with wrapping (with package)) Temperature: -20°C - 50°C Humidity: 10% - 95%
3. Transportation (with wrapping (with package)) Temperature: -40°C - 70°C Humidity: 10% - 95%
4. When storing the instrument, ensure that the following conditions are met: (1) The instrument should not be splashed with water. (2) Store the instrument away from the environment where air pressure, temperature,
humidity, ventilation, sunlight, dust, salty/sulfurous air, etc. could cause damage.
(3) Do not store or transport the instrument on a slope or uneven surface or in an area
where it is subject to vibrations or instability.
(4) Do not store the instrument where chemicals are stored or gas is generated.
5. Usage period 8 years from delivery providing regular maintenance is performed (according to the self-cer­tification [Topcon data])
CHECKPOINTS FOR MAINTENANCE
Maintenance by user
1. Before use, ensure that the measuring head is installed securely.
2. Regularly maintain and check the instrument and its parts.
3. When using the instrument after a prolonged period of inactivity, confirm normal and safe
operation beforehand.
4. When the lens is soiled, wipe it with the accessory silicone cloth.
5. When this instrument is not in use, apply the dust cover to it.
6. Refer to "7. MAINTENANCE" on P.156 for details.
2

HOW TO READ THIS USER MANUAL

• Before using the CV-5000 instrument, read the cautions described on P.1 to P.8.
• For connecting to other devices, read "6.1.1 CONNECTING PERIPHERAL DEVICES" on P.120.
• For quick start up, refer to "3. BASIC OPERATIONS" on P.54 first.
• For setup, refer to "6. CONVENIENCE FUNCTIONS" on P.119.
• The following symbols are used in this manual. Please understand these symbols and their meaning and use the instrument correctly.
Describes the convenience functions and the cautions to ensure safe use.
Describes the location of supplemental or additional information.
• The following abbreviations indicate the devices relevant to the instrument.
Abbreviation Device RM Auto refractometer KR Auto kerato-refractometer CL Computerized lensmeter EZ EZ meter ACP Auto chart projector MC Mirror chart PC Pixel chart
3

DISPLAY FOR SAFE USE

To encourage safe and proper use and to prevent danger to the operator and others or potential damage to property, important cautionary messages are placed on the instrument body and inserted in the user manual. We suggest that everyone using the instrument understand the meaning of the following displays, icons and text before reading the "SAFETY CAUTIONS" and observe all listed instructions.
DISPLAYS
Display Meaning
ICONS
WARNING
CAUTION
Injury refers to cuts, bruises, burns, electric shock, etc. which do not require hospital-
ization or extended medical treatment.
Physical damage refers to extensive damage to the building, nearby equipment and/
or surrounding furniture.
Icon Meaning
Incorrect handling by ignoring this display may lead to a risk of death or serious injury.
Incorrect handling by ignoring this display may lead to personal injury or physical damage.
Prohibition: Specific content is expressed with words or a picture near the icon.
Mandatory Action: Specific content is expressed with words or a picture near the icon.
Caution: Specific content is expressed with words or a picture near the icon.
4

GENERAL SAFETY INFORMATION

WARNING
Ensuring the Safety of Patients and Operators
Be careful not to bump the patient's eyes or nose with the instrument during operation. The patient may be injured.
Preventing Electric Shocks and Fires.
To avoid fire and electric shock, install the instrument in a place free of water and other liquids.
To avoid fire and electric shock, do not put cups or other containers with liquids near the instru­ment.
To avoid electric shock, do not insert metal objects into any openings, etc.
To avoid fire in the event of an instrument malfunction, immediately turn off the power switch and unplug the cable if you see smoke coming from the instrument or if you detect other prob­lems. Don't install the instrument where it is difficult to disconnect the power plug from the outlet. Ask your dealer for repairs.
5
CAUTIONS
Ensuring the Safety of Patients and Operators
This instrument should only be used by skilled operators. When moving the measuring head up and down, be careful not to bump it against the patient's face. The patient may be injured.
To prevent the instrument from tipping over or falling and to avoid injury, do not install the instrument on an uneven, unsteady or sloping surface.
Preventing Electric Shocks and Fires.
To avoid damage to the instrument or an injury caused by electric shock, turn off the power switch and unplug the power cord before cleaning the instrument.
Electromagnetic Compatibility (EMC)
This instrument has been tested (with 100V/120V/230V) and found to comply with IEC60601­1-2 Ed.3.0: 2007. This instrument radiates radio frequency energy within standard and may affect other devices in the vicinity. If you have discovered that turning on/off the instrument affects other devices, we recommend you change its position, keep a proper distance from other devices, or plug it into a different outlet. Please consult the dealer from whom you purchased the instrument if you have any additional questions.
6

MAINTENANCE

To ensure the safety and performance of this instrument, all maintenance work, unless specified in this manual, shall be conducted by trained service engineers. The following maintenance tasks may be performed by the user. For details, see the relevant parts of this manual as specified below.
Replacing the face shield/forehead rest
The forehead rest and face shield on this instrument may be replaced by the user.
: Refer to " INSTALLING AND REMOVING THE FACE SHIELD AND FOREHEAD
REST" on P.38 for handling instructions.
Replacing the fuse
The fuses on this instrument may be replaced by the user.
: For details, refer to " REPLACING THE FUSE" on P.157.
Inspecting the instrument
It is recommended to inspect the mounting section of the CV-5000 and the system table peri­odically to ensure they are attached properly.
: Refer to " INSPECTING THE MEASURING HEAD MOUNTING SECTION" on P.159.

ESCAPE CLAUSE

TOPCON shall not take any responsibility for damage due to fire, earthquakes, actions
by third persons and other accidents, or damage due to negligence and misuse by the user and any use under unusual conditions.
TOPCON shall not take any responsibility for damage derived from inability to properly
use this instrument, such as loss of business profit and suspension of business.
TOPCON shall not take any responsibility for damage caused from using this instru-
ment in a manner other than that described in this user manual.
Diagnoses made shall be the responsibility of the user and TOPCON shall not take
any responsibility for the results of such diagnoses.
7

WARNING DISPLAYS AND POSITIONS

3
4
12
5
To ensure safety, the machine provides warning displays. Use the instrument correctly by observing the display instructions. If any of the following display labels are missing, contact your TOPCON dealer or your local Topcon office listed on the back cover of this manual.
No. Label Meaning
WARNING
1
2
3
4
5
Electoric shock may cause bums or a possible fire. Turn the power switch OFF and unplug the power cord before replacing the fuses. Replace only with fuses of the correct rating.
WARNING
To avoid injury caused by electric shock, do not open the cover. Ask your dealer for service.
CAUTION
Do not put your hand between the mounting arm and the instru­ment. Your hand may be pinched.
CAUTION
To avoid injury due to contact, do not bring the patient’s face close to the near-point rod.
Degree of protection against electric shock : TYPE B APPLIED PART
8
CONTENTS
INTRODUCTION ...............................................................................................................1
HOW TO READ THIS USER MANUAL ............................................................................ 3
DISPLAY FOR SAFE USE ............................................................................................... 4
GENERAL SAFETY INFORMATION ................................................................................ 5
MAINTENANCE ................................................................................................................ 7
ESCAPE CLAUSE ............................................................................................................ 7
WARNING DISPLAYS AND POSITIONS ......................................................................... 8
1.BEFORE USE
1.1 CHECKING THE ACCESSORIES .................................................................................. 15
OPTIONAL ACCESSORIES ...................................................................................... 16
PRODUCTS SOLD SEPARATELY ........................................................................... 17
1.2 COMPONENT NAMES AND FUNCTIONS .................................................................... 18
1.2.1 MAIN UNIT(Measuring head) .................................................................................18
COMPOSITION OF PARTS WHICH CONTACT THE HUMAN BODY ..................... 19
1.2.2 CV POWER SUPPLY UNIT WITH EXTERNAL PERSONAL COMPUTER
(POWER SUPPLY UNIT) ................................................................................................ 20
1.2.3 TEST SCREEN ......................................................................................................22
MENU BAR/TOOLBAR ............................................................................................ 23
DATA DISPLAY UNIT ..............................................................................................32
VISUAL ACUITY CHART OPERATION UNIT .........................................................36
FUNCTION BUTTON ..............................................................................................36
CONTROL WINDOW ..............................................................................................37
2.INSTALLATION
2.1 INSTALLING THE MEASURING HEAD .........................................................................38
LEVEL ADJUSTMENT ............................................................................................... 38
INSTALLING AND REMOVING THE FACE SHIELD AND FOREHEAD REST ........ 38
ASSEMBLY/INSTALLATION OF NEAR-POINT ROD AND NEAR-POINT CARD .... 39
2.2 CONNECTING THE MEASURING HEAD, PERSONAL COMPUTER ........................... 40
2.3 CONNECTING THE VISUAL ACUITY CHART .............................................................. 41
CONNECTING A DEVICE TO RS-232C (ACP-8, MC-3.) ......................................... 41
CONNECTING A DEVICE TO INFRARED COMMUNICATION
(ACP-8, MC-3.) ............................................................................................................... 41
CONNECTING A DVI DEVICE (PC-50S, PC-50SB, MC-4S) .................................... 41
2.4 INSTALLATION OF CV-5000 SOFTWARE ....................................................................42
9
2.5 SETTINGS OF DISPLAY PROPERTIES (ONLY WHEN A DVI DEVICE IS
USED AS A VISUAL ACUITY CHART) ................................................................................48
2.6 INITIAL SETTINGS (REGISTERING THE VISUAL ACUITY CHART OR OTHERS) .....51
3.BASIC OPERATIONS
3.1 FLOW OF OPERATIONS ...............................................................................................54
3.2 PREPARATION BEFORE MEASUREMENT ..................................................................54
3.2.1 PREPARATION FOR TEST ...................................................................................54
3.2.2 DATA INPUT ...........................................................................................................56
3.3 TEST ...............................................................................................................................59
SELECT THE TEST CHART AND EXECUTE THE TEST. ....................................... 59
SELECT THE PROGRAM COURSE AND EXECUTE THE TEST. ........................... 59
SELECT THE TEST NAME AND EXECUTE THE TEST. ......................................... 60
3.4 PRESCRIPTION .............................................................................................................61
3.5 OUTPUTTING THE RESULT .........................................................................................61
3.6 RESETTING ....................................................................................................................61
4.GENERAL OPTOMETRY PROCEDURE
4.1 DATA INPUT ...................................................................................................................62
4.2 FAR-POINT REFRACTIVE POWER MEASUREMENT .................................................62
REFRACTIVE POWER MEASUREMENT BY USING CROSS CYLINDER ............. 62
REFRACTIVE POWER MEASUREMENT USING ASTIGMATISM TEST CHART ... 63
4.3 NEAR-POINT REFRACTIVE POWER MEASUREMENT ............................................... 63
4.4 BINOCULAR MEASUREMENT ......................................................................................64
FAR-POINT PHORIA ................................................................................................. 64
NEAR-POINT PHORIA .............................................................................................. 64
5.OPERATION FOR TESTS
5.1 VISUAL ACUITY TEST/SPHERICAL POWER/CYLINDER POWER CORRECTION ....65
5.1.1 VISUAL ACUITY MEASUREMENT ........................................................................65
5.1.2 R/G TEST ...............................................................................................................66
5.1.3 ASTIGMATISM TEST ............................................................................................. 68
5.1.4 CROSS CYLINDER TEST (JACKSON CROSS) .................................................... 69
5.1.5 CROSS CYLINDER TEST (TOPCON CROSS) .....................................................71
5.1.6 SMART CROSS TEST ...........................................................................................73
5.1.7 BALANCE TEST (POLARIZATION) ....................................................................... 75
5.1.8 BALANCE TEST (POLARIZATION: 2-COLOR) ..................................................... 76
5.1.9 BALANCE TEST (PRISM) ......................................................................................78
10
5.2 PHORIA TEST ................................................................................................................80
5.2.1 PHORIA TEST (POL. CROSS) ...............................................................................80
5.2.2 PHORIA TEST (CROSS RING) .............................................................................. 82
5.2.3 PHORIA TEST (MADDOX) ..................................................................................... 83
5.2.4 HORIZONTAL PHORIA MEASUREMENT (PRISM SEPARATION) ......................86
5.2.5 VERTICAL PHORIA MEASUREMENT (PRISM SEPARATION) ............................88
5.3 OTHER BINOCULAR FUNCTION TESTS ..................................................................... 90
5.3.1 FIXATION DISPARITY TEST (POL. CROSS WITH FIXATION TARGET) ............90
5.3.2 CONVERGENCE/DIVERGENCE ........................................................................... 92
5.3.3 Vertical vergence ....................................................................................................95
5.3.4 STEREO TEST ....................................................................................................... 97
5.3.5 COINCIDENCE TEST (H) (Only for ACP-8) ...........................................................99
5.3.6 COINCIDENCE TEST (V) ..................................................................................... 101
5.3.7 WORTH 4 DOTS TEST ........................................................................................103
5.3.8 SHEARD'S CRITERIA ..........................................................................................105
5.4 NEAR-POINT TEST ......................................................................................................107
5.4.1 ADD TEST ............................................................................................................107
5.4.2 MONOCULAR ADD TEST ....................................................................................108
5.4.3 MINUS LENS AMPLITUDE MEASUREMENT ..................................................... 110
5.4.4 POSITIVE RELATIVE ACCOMMODATION MEASUREMENT ............................112
5.4.5 NEGATIVE RELATIVE ACCOMMODATION MEASUREMENT ...........................114
5.4.6 AC/A ......................................................................................................................116
6.CONVENIENCE FUNCTIONS
6.1 USING THE DATA OF PERIPHERAL DEVICES .........................................................119
6.1.1 CONNECTING PERIPHERAL DEVICES .............................................................120
6.1.2 SETTING FOR CONNECTION .............................................................................121
SETTING FOR SERIAL CONNECTION .................................................................. 121
6.1.3 IMPORTING THE DATA FROM OTHER DEVICES .............................................123
SETTING THE DATA CAPTURING METHOD ........................................................ 123
DISPLAY RM/CL DATA LIST .................................................................................. 124
LOAD LAST DATA FROM RM/CL ........................................................................... 126
LOAD LAST DATA FROM SELECTED SOURCE ................................................... 126
When you select [RM] ............................................................................................126
When you select [CL] .............................................................................................126
When you select [RM+CL] .....................................................................................126
IMPORT DATA FILE ................................................................................................ 126
6.1.4 INPUTTING OTHER DATA EXCEPT "SUBJECTIVE" MANUALLY .....................127
6.2 TESTS ...........................................................................................................................128
6.2.1 CHECKING THE TEST METHOD ........................................................................ 128
11
HELP/MINI HELP UTILITY ...................................................................................... 128
MOUSE NAVIGATION UTILITY .............................................................................. 129
6.2.2 CONVENIENCE FUNCTIONS DURING TEST ....................................................129
SELECTING THE CHANGING STEP FOR LENS ................................................... 129
CHANGING THE AUXILIARY LENS ....................................................................... 130
SELECTING THE TYPE OF OCCLUSION .............................................................. 131
SETTING THE VISUAL ACUITY VALUE DIRECTLY .............................................. 132
SETTING THE CYLINDER AXIS DIRECTLY .......................................................... 133
CANCELLING THE PRISM TEMPORARILY ........................................................... 133
SELECTING THE POLARIZATION LENS ............................................................... 134
DISPLAYING/HIDING THE REFERENCE DATA .................................................... 134
CHANGING THE REFERENCE DATA .................................................................... 135
CHANGING THE MAIN DATA ................................................................................. 135
CHANGING THE MAIN DATA AND REFERENCE DATA TO EACH OTHER ........ 136
TRANSPOSING THE SYMBOL OF CYLINDER POWER
(POWER CONVERSION) ............................................................................................. 136
RECORDING AND DISPLAYING THE PRESCRIPTION DATA ............................. 137
CANCELING THE NEAR-POINT CORRECTION TEMPORARILY ......................... 137
6.2.3 OPERATING THE VISUAL ACUITY CHART .......................................................138
APPLYING THE MASK TO THE TEST CHART ...................................................... 138
SETTING THE R/G FILTER TO THE TEST CHART ............................................... 138
CHANGING THE TEST CHART WITHOUT CHANGING THE TEST ..................... 138
ADJUSTMENT OF NEAR-POINT CARD ................................................................ 139
Target name on the patient side ............................................................................139
6.2.4 TILTING DOWNWARD .........................................................................................140
6.3 REGISTRATION ........................................................................................................... 141
6.3.1 CUSTOMIZING THE CHART PAGE .................................................................... 141
CHANGING THE TEST CHART LAYOUT ON THE CHART PAGE ....................... 141
CHANGING THE TEST RELATED TO THE TEST CHART .................................... 142
CHANGING THE TEST CHART USED IN CROSS CYLINDER TEST ................... 145
6.3.2 CUSTOMIZE THE TEST PROCEDURE .............................................................. 146
6.4 EXPLANATION .............................................................................................................150
6.4.1 DATA TO BE PRINTED ........................................................................................ 150
6.4.2 USING THE PATIENT EDUCATION TOOLS FOR THE PATIENT ......................151
OPERATIONS ENABLED BY THE EXPLANATION TOOLS .................................. 151
Human eye ............................................................................................................151
Progressives .......................................................................................................... 154
Accommodation .....................................................................................................154
Eye Message .........................................................................................................155
12
7.MAINTENANCE
DAILY CHECKUPS .................................................................................................. 156
ORDERING CONSUMABLES ................................................................................. 156
USER MAINTENANCE ITEMS ................................................................................ 156
REPLACING THE FUSE ......................................................................................... 157
CLEANING ............................................................................................................... 158
Cleaning parts which contact the patient ...............................................................158
Cleaning the lens ................................................................................................... 158
INSPECTING THE MEASURING HEAD MOUNTING SECTION ........................... 159
Point for inspection ................................................................................................159
8.SETTING
8.1 BASIC OPERATION FOR "SETTINGS" MENU ...........................................................160
8.2 "SETTINGS" MENU LIST .............................................................................................163
8.2.1 General settings .................................................................................................... 167
8.2.2 Function settings ...................................................................................................169
8.2.3 Examination settings ............................................................................................. 172
8.2.4 Chart settings ........................................................................................................176
Chart page registration ............................................................................................ 178
Cross cylinder chart reg. .......................................................................................... 181
8.2.5 Course registrations ..............................................................................................182
8.2.6 Data I/O settings ................................................................................................... 185
System configurations .............................................................................................. 187
8.2.7 Screen settings ..................................................................................................... 192
CUSTOMIZE TOOLBAR .......................................................................................... 194
8.2.8 Update ..................................................................................................................196
8.3 SETTING ON Windows .................................................................................................198
8.3.1 SETTING WHEN USING THE PRINT FUNCTION .............................................. 198
Setting of IE (Internet Explorer) .............................................................................198
8.3.2 WHEN USING THE PRE-INSTALLED SHARED FOLDER .................................. 198
9.APPENDICES
9.1 LIST OF AUXILIARY LENS AND MOUSE NAVIGATION ............................................199
AUXILIARY LENS .................................................................................................... 199
MOUSE NAVIGATION ............................................................................................. 201
9.2 SHAPE OF PLUG .........................................................................................................203
SYMBOL .................................................................................................................. 203
9.3 CORNEAL ALIGNING DEVICE ....................................................................................204
Conversion value (When the measured refractive power is plus notation) ............205
13
Conversion value (When the measured refractive power is minus notation) .........205
10.TROUBLE SHOOTING
TROUBLE SHOOTING GUIDE ............................................................................... 206
11.SPECIFICATIONS AND PERFORMANCE
DIMENSIONS AND WEIGHT .................................................................................. 218
PURPOSE OF USE ................................................................................................. 219
OPERATING PRINCIPLE ........................................................................................ 219
PATIENT’S ENVIRONMENT ................................................................................... 220
ELECTRIC RATING ................................................................................................. 220
ELECTROMAGNETIC COMPATIBILITY ................................................................. 221
REQUIREMENT TO THE EXTERNAL CONNECTION DEVICES .......................... 224
SYSTEM CLASSIFICATION .................................................................................... 225
Index ...................................................................................................................................226
14
1. BEFORE USE

1.1 CHECKING THE ACCESSORIES

CAUTION
Upon unpacking, make sure that all the following standard accessories are included. Figures in ( ) are the quantities.
Instruction manual User manual (1)
Dust cover (1) Near-point rod (1)
Forehead rest (1) Face shield (2)
Install the devices (RM, CL and others), which will be connected with the optional accessories, out of the CV-5000 patient's environment.
INSTRUCTION MANUAL
USER MANUAL
Near-point card and card holder (1 each) Silicone cloth (1)
15

1. BEFORE USE

Fuses (2) Power cord (1)
The shape is different according to the destination.
Measuring head connection cable (1) Install CD (1)
Use the standard accessories except the following units in the patient's environment.
• User manual
• Dust cover
• Silicone cloth
OPTIONAL ACCESSORIES
The optional accessories must be connected by a service engineer. If you have pur­chased any optional accessories, contact a service engineer.
Communication cable (DIN/DIN)
This cable is used to connect the visual acuity chart. Both ends of the cable are the DIN connector type.
Communication cable (DIN/D-sub)
This cable is used to connect the power supply unit, KR, CL and others to a personal com­puter. One end of the cable is the DIN connector type and the other is the D-SUB 9-pin type.
Infrared communication unit
This unit is used to perform infrared communication with the visual acuity chart.
Pixel Chart (PC-50S)
This visual acuity chart operates in linkage with the CV system.
Pixel Chart (PC-50SB)
This visual acuity chart operates in linkage with the CV system.
Mirror Chart (MC-4S)
This visual acuity chart operates in linkage with the CV system.
16
1. BEFORE USE
PRODUCTS SOLD SEPARATELY
The commercial products sold separately are necessary to use the CV system. Use the device complying with UL60950/UL60950-1 or IEC60950/IEC60950-1.
Personal computer (including the main unit, display, keyboard and mouse)
Your personal computer must meet the following specifications. OS: Windows XP Professional (32 bits)/Windows 7 Professional (32 bits/64 bits) CPU: Clock frequency is 1GHz or more. Memory: 1GB or more (32-bit OS)/2GB or more (64-bit OS) HDD: Free capacity of 500MB or more Serial port: 1 or more Display: Resolution of SXGA (1280 x 1024) or more
At least one serial port is necessary to connect to the power supply unit.
To connect to RM/CL, more serial ports for the connected devices are necessary.
To connect Pixel Chart or Mirror Chart (optional) as a visual acuity chart, a free DVI
connector is necessary.
To connect another CV-5000 system, the LAN connecter is needed.
17
1. BEFORE USE

1.2 COMPONENT NAMES AND FUNCTIONS

(4)
(13)
(9)
(6)
(5)
(3)
(1)
(12)
(2)
(15)
(10)
(8)
(11)
(7)
(14)
CAUTION
Use all the components in the patient's environment.
To avoid electric shock, do not touch the external connection terminal and the patient at the same time.

1.2.1 MAIN UNIT(Measuring head)

(1) Examination window ............... The patient's eyes are observed through this window, and
the display lenses are set here.
(2) Corneal vertex
distance window...................... The position of the patient's cornea can be observed
18
1. BEFORE USE
through this window.
(3) Forehead rest knob................. The position of the forehead rest can be adjusted by mov-
ing this knob backward/ forward.
(4) Leveling knob.......................... Levels the measuring head.
(5) Near-point rod holder.............. The near-point rod is inserted and attached here.
(6) Clamp screw ........................... Retains the near-point rod.
(7) Forehead rest.......................... The patient's forehead rests here.
(8) Cornea alignment scale .......... Measures the corneal vertex position.
(9) Level ....................................... Indicates the horizontal position for the level adjustment.
(10) Face shield.............................. The patient's face rests here.This cover can be removed.
(11) Cornea illumination ................. Illuminates the anterior eye segment to check the PD easily
even during examination in a dark room.
(12) Near-point illumination ............Illuminates the near-point target.
(13) Tilt locking lever ......................Adjusts the angle of the tilted measuring head and fixes it.
(14) Arm mounting shaft................. Mounts the instrument on the arm, etc.
(15) PD cover ................................. The cover for holding when tilting the head.
COMPOSITION OF PARTS WHICH CONTACT THE HUMAN BODY
Forehead rest : Polypropylene resin (Type B applied part) Face shield : Polypropylene resin
19
1. BEFORE USE
1.2.2 CV POWER SUPPLY UNIT WITH EXTERNAL PER-
(1)
SONAL COMPUTER (POWER SUPPLY UNIT)
Front surface
The orientation of the printer should be changed to match the type of installation.
(1) Power switch........................... Turns on/off the power.
20
1. BEFORE USE
Rear panel
(3) (4)
(5)
(6)
(2)
Only use the connector described in this chapter.
(2) Fuse holder............................. The fuse is set in this holder.
(3) IR connector............................ Used to connect the infrared communication unit (option).
(4) ACP/MC connector .................Used to connect the visual acuity chart with a serial con-
nection.
(5) COM3 connector..................... Used to connect a personal computer.
(6) CV connector .......................... Used to connect the measuring head.
21
1. BEFORE USE

1.2.3 TEST SCREEN

(1)
(2)
(3)
(4)
(5)
(6)
(1) Menu bar
The menu for operation is displayed.
Refer to " MENU BAR/TOOLBAR" on P.23 for details.
(2) Toolbar
The buttons for operation are displayed.
Refer to " MENU BAR/TOOLBAR" on P.23 for details.
(3) Data display unit
The near- and far-point data, subjective and objective data, "Mini Help", etc. are dis­played.
Refer to " DATA DISPLAY UNIT" on P.32 for details.
(4) Visual acuity chart operation unit
The chart page, the test chart icon, etc. are displayed.
Refer to " VISUAL ACUITY CHART OPERATION UNIT" on P.36 for details.
(5) Function button
The function selector buttons for the lens changing step, occlusion/fogging, etc. are displayed.
Refer to " FUNCTION BUTTON" on P.36 for details.
22
1. BEFORE USE
(6) Control window
The buttons, mouse navigation and others for operation are displayed.
Refer to " FUNCTION BUTTON" on P.36 for details.
MENU BAR/TOOLBAR
You can access almost all functions from the menu bar. The buttons, which are frequently used in tests, are displayed on the toolbar. Click each button, and you can use the indicated function.
(1) File
Data entry
The data of the connected device such as RM or CL is input. This function is the same as the [ ] button ([Data entry] button) on the toolbar.
Refer to "6.1.3 IMPORTING THE DATA FROM OTHER DEVICES" on P.123 for details.
File import
The file data output from the external database software is captured. This function is the same as the [ ] button ([File import] button) on the toolbar.
Data export
Data are output through "Export". This function is the same as the [ ] button ([Data export] button) on the toolbar.
Print
The test results are printed. It is possible to output data according to the setting. This function is the same as the [ ] button ([Print] button) on the toolbar.
Print Setup
Use this item to set a printer.
Patient information
Edits the patient ID No./name/Age. This function is the same as the [ ] button ([Patient information] button) on the toolbar.
23
1. BEFORE USE
Reset
Sets the system to the initial test status again. This function is the same as the [ ] button ([Reset] button) on the toolbar.
Exit
Finishes the CV-5000PC software.
(2) Course
SemiAuto
The "SemiAuto" mode is accessed.
P1 Course (1) - P5 Course (5)
The test of P1 - P5 course starts.
Standard
The test of "Standard" course starts.
Forward
During the test of P1 - P5 or "Standard" course, the system shifts to the next step. This function is the same as the [Forward] button on the control window.
Backward
During the test of P1 - P5 or "Standard" course, the system returns to the preceding step. This function is the same as the [Backward] button on the control window.
24
1. BEFORE USE
Click the [ ] button ([Course list] button) on the toolbar, and the list of the registered courses is displayed. You can select a course from this list and start the test.
(3) Examination
Examination list
The list of tests is displayed. This function is the same as the [ ] button ([Examination list] button) on the toolbar.
Cross cylinder (axis)
The cylinder axis measurement mode of cross cylinder test (Jackson cross) is accessed. This function is the same as the [ ] button ([Cross cylinder (axis)] button) on the toolbar.
Cross cylinder (power)
The cylinder power measurement mode of cross cylinder test (Jackson cross) is accessed. This function is the same as the [ ] button ([Cross cylinder (power)] button) on the toolbar.
TOPCON Cross (axis)
The cylinder axis measurement mode of cross cylinder test (TOPCON cross) is accessed. This function is the same as the [ ] button ([TOPCON cross (axis)] button) on the toolbar.
TOPCON Cross (power)
The cylinder power measurement mode of cross cylinder test (TOPCON cross) is accessed. This function is the same as the [ ] button ([TOPCON cross (power)] button) on the toolbar.
Smart Cross Cylinder
The smart cross test starts.
Sheard's Criteria
The Sheard's criteria test starts. You can also start this test with the function button after the phoria test.
25
1. BEFORE USE
AC/A
The AC/A ratio test starts. You can also start this test with the function button after the phoria test.
Single ratio contrast
When a LC (liquid crystal) visual acuity chart is connected, it is possible to display a contrast chart. You can select the contrast from the following values. 100%, 50%, 25%, 12.5%, 10%, 5% and 2.5%
Plural ratio contrast
When you connect a LC visual acuity chart and select a chart of 3 lines and 5 columns, the characters are displayed from the left in the order of contrast 25%, 12.5%, 10%, 5% and 2.5%.
Exit contrast exam
Finishes the contrast test.
Astigmatism simulation
When a LC visual acuity chart (excluding PC-50SB) is connected and the astigmatism test chart is displayed, the astigmatism simulation is executed.
Prism simulation
When a LC visual acuity chart is connected and the phoria test chart is displayed, the phoria simulation is executed.
Coincidence simulation
When a LC visual acuity chart is connected and the aniseikonia test chart is displayed, the aniseikonia simulation is executed.
(4) Reference Data
Show
The reference data is displayed.
Hide
The reference data is hidden.
26
1. BEFORE USE
(5) Data Set
NC
Set :The unaided eye data is set and you can execute the comparison test.
RM
Set :The objective data is set and you can execute the comparison test.
Memory :The selected data is stored as the objective data.
CL
Set :The eyeglass data is set and you can execute the comparison test.
Memory :The selected data is stored as the eyeglass data.
Old
Set :The last prescription data is set and you can execute the comparison test.
Memory :The selected data is stored as the last prescription data.
Sbj
Set :The subjective data is set and you can execute the comparison test.
Memory :The selected data is stored as the subjective data.
FC
Set :The prescription data is set and you can execute the comparison test.
Memory :The selected data is stored as the prescription data.
M1
Set :The M1 data is set and you can execute the comparison test.
Memory :The selected data is stored as the M1 data.
M2
Set :The M2 data is set and you can execute the comparison test.
Memory :The selected data is stored as the M2 data.
M3
Set :The M3 data is set and you can execute the comparison test.
Memory :The selected data is stored as the M3 data.
27
1. BEFORE USE
(6) Tools
Settings
The settings menu is displayed. This function is the same as the [ ] button ([Settings] button) on the toolbar.
Far/Near
Changes the far- and near-point test modes each other. This function is the same as the [ ] button ([Far/Near] button) on the toolbar.
Transpose cylinder
Changes "+" and "-" of the cylinder power that is displayed on the main data. This function is the same as the [ ] button ([Transpose cylinder] button) on the toolbar.
VA/ Prism
Changes the displayed contents of the main data to the visual acuity/prism. This function is the same as the [ ] button ([VA/Prism] button) on the toolbar.
Prism
The side button functions in phoria test are displayed as the side menu.
Mem + Clear
Stores the prism set in the measuring head and cancels the prism temporarily.
Restore
Sets the stored prism data in the measuring head again.
All Clear
Deletes the stored prism data and cancels the prism set in the measuring head.
Base/Polar
Changes the notation of the prism refractive power.
Near SPH
Sets the displayed data of the spherical power column on the main data in near-point test mode.
Far SPH
The far-point spherical power is always displayed on the main data in both far- and near-point test modes.
Near SPH
In near-point test mode, the near-point spherical power (far-point spherical power + ADD) is displayed on the main data. In far-point test mode, the far-point spherical power is displayed.
28
1. BEFORE USE
Loading...
+ 202 hidden pages