Visionix VX22NP - Available Tests

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VX22NP-VX22LP-VX22CP User Manual

3. Available tests

Letter

Digit

Landolt

Snellen

Child

Geometric

sheridan

ETDRS

Clock

Dot Chart

Jackson Cross

Ishihara

Red/Green Balance

Polarized Binocular balance

Binocular

balance

polarized red/green

background

Main Page

Table of Contents2
Introduction5
Safety7
General8
Electricity8
Transport, Storage and Handling8
Precautions During Use9
Symbols9
Equipment and Installation10
List of Equipment Supplied11
Equipment Parts12
VX22 Screen12
Display13
Use of Us-Radio Remote Control14
Use of EU-Radio Remote Control15
USB-Dongle for US/EU Radio Remote Control16
Installation Procedure17
Posiioning in the Examination Room17
Fixing17
Electrical Connection19
Starting and Stopping the Equipment19
Starting19
Stopping19
Configuring the VX2220
Menu21
Access21
Navigation21
Setting the Acuity Unit22
Setting the Usage Distance22
Setting Optotype Scales23
Setting Child Optotypes23
Setting the Projector Mode23
Duochrome Calibration24
Red Adjustment24
Green Adjustment24
Setting the Language25
Setting Mirror Mode25
Setting the Info Footer26
Setting Chart or Box ID26
Setting the Test Call Butons27
Associate a Test with a Button27
Change the Position of a Test27
Available Tests28
Setting the Standby Timeout31
How Do I32
How Do I Measure Visual Acuity33
Call an Optotype33
Change the Acuity33
Change the Optotypes Distribution33
Change the Contrast33
Change the Optotype Masks33
Display Optotypes on a Red /Green Background34
Display Optotypes in White on a Black Ground34
Modify the Information Bar34
Focus on an Optotype/ Use Cursor Mode34
How Do I Use the Special Tests35
Call a Special Test35
Change a Special Test Presentation35
How Do I Use ETDRS Mode36
Change the Reading Distance36
Confirm the Reading of a Letter36
Confirm the Reading of an Entire Line36
Confirm the No-Reading of a Letter36
Change the Distribution36
How Do I Return to the Previous Test36
How Do I Use Contrast Tests37
How Do I Use the Contrast of Optotypes37
How Do I Use Regan Test (FSC)37
How Do I Use Pelli Robson Test39
How Do I Use the Ishihara Tests40
Change the Color Range40
Change the Palette Within the same Color Range40
Return to the Initial Ishihara Test40
How Do I Use the Fixation Points41
Call the Simple Fixation Point41
Call the Child Fixation Point (Clown)41
Call the Light Fixation Point41
Invert the Background Color (White/Black)41
Call the Hardware Fixation Light41
Show Learning Pictures of the Eye42
Show an Image of the Eye42
Change the Image42
How Do I Find the Software Version42
How Do I Find the Equipment Serial Numbers42
How Do I Display Media (Slideshow, Video)42
Load a Media File42
Play a Media File43
How Do I Choose the Startup Default Test43
Choose the Default Test from the Menu43
Choose the Default Test with the MEMO Button43
What Should I Do if44
The VX22 Does Not Start45
The Remote Control Does Not Work Correctly45
The Change Button Does Not Change the Optotypes Distribution45
The VX22 Screen Is Black46
Lines or Dashes Appear on the VX22 Screen46
Maintenance47
Cleaning the VX22 Casing48
Cleaning the Screen48
Appendices49
Technical Specifications50
Chart Display50
Remote Control50
Operating Conditions50
Conformity to International Standards51
Directives and Standards51
Electromagnetic Emissions51
Electromagnetic Immunity52
Manufacturer54
Waste Electrical and Electronic Equipment (WEEE) Directive54
Explanation of Visual Acuity Units55
Distance-Independent Conventions55
Distance-Dependent Conventions55
Contact56

Visionix VX22NP - Available Tests

Table of Contents