LCD Vision Chart




Built-in software is developed on Linux platform.

All the optotypes and charts are vector graph optotypes could be changed randomly without repeating.

The contrast sensitivity measurement can be made with the Gamma Calibration feature LED screen is durable.

The built-in software could be upgraded free during the lifetime.


Screen Type 17-inch XGA panel with long-lasting backlight
Resolution 1280*1024 pixels
Brightness 160cd/m² (min)
Charts Optotypes Tumbling E, Landolt C, Alphabet, Numbers, Children
Mask type Single Mask, Horizontal Mask, Vertical Mask, White/Black Mask, Red/Green Mask
Special chart ETDRS, Contrast Sensitivity Test, Contrast Test, Ishihara, Cross Cylinder, Astigmatic Fan Dial, Cross Grid, Fixation Spot Test, Stereo Test, Red/Green Panel, Worth Four-Dot Test, Red/Green Balance, Street Lamp, Horizontal Coincidences, Vertical Coincidences, Schober
Other functions Video playing, Audio playing, Randomization Optotypes playing, Mirror function, Screen Saver function, Standby function
Visual Unit Decimal 0.04~2.0
Snellen (ft) 20/500~20/10
Snellen (m) 6/150~6/3
Log MAR -0.3~1.4
5-Grade 3.6~5.3
Working Distance 2m ~ 7m (in steps of 0.1m) 6ft ~ 24ft (in steps of 0.5ft)
Low vision chart: 0.6~1.5m, 0.1m/step
Power Supply Input AC220V ~ 230V ±10%, 50/60HZ
Consumption 20w
Remote Controller IR Remote, 2*AAA Batteries
Standard accessories Remote Controller, Wall Bracket, Desk Bracket, Red/Green Glasses, Optotypes Card, Power Cable, AC-DC Adapter
Optional accessories Desk support, Ground Support


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