Vision chart specification

LCD size: 17 inch XGA Panel

Working distance: 2m-7m (in steps of 0.1m) 6ft-24ft (in steps of 0.5ft). 

                             Low vision chart: 0.6m-1.5m in step of 0.1mm

Remote Control: IR

Battery of remote control: AAA

LCD brightness: ≥160cd/m²

Vision icon: E,C,Alphabet,Figure,Children


Testing function: 

Schober test, Worth test, Cross grid, Coincidence test, ETDRS, Stereo test, Astigmatism test, Fixation point test, Ishihara test, Cross cylinder, Red green panel,Red green balance, Contrast sensitivity

Mask: Opposite color,Single icon mask,Horizontal mask,Vertical mask,Red/green mask.

Unit: 5-Grade, Decimal,LogMAR,Snellen(ft),Snellen(M)

Other functions: Mirror icon,Screen saver.

Power Supply:

Input voltage: AC 100~240v

Input frequency: 50Hz/60Hz

Output power: 20VA(max)

Output voltage: DC 12V

Ambient conditions

Working Temperature: +5°C~+40°C

Relative humidity:≤80%

Air pressure: 800hPa~1060hPa

Storage Temperature: -40°C~+55°C

Relative humidity:≤93%

Air pressure: 700hPa~1060hPa

Transportation Temperature: -40°C~+55°C

Relative humidity:≤93%

Air pressure: 700hPa~1060hPa

Net weight: 2Kg


Other Information

Electrical Parameters: AC 100-240V / 50-60Hz / 20W

Weight: 2 kg (net)


Vision Chart


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    Designed by Victor Hao