OPTOTYPE SCREEN
Specification:
Model Screen Size
LCD-215 21.5 inch
LCD-230 23 inch
LCD-220 22 inch
LCD-236 24 inch
Working distance
1m-6.5m
Remote control distance
0-8m
Power supply
AC100V to 240V, 50/60Hz
Power
48W
Vision recording methods
Decimal & Imperial fraction
Optotypes
Tumbling E, Landolt C and Alphabet etc
Test Graph
ETDRS, Contrast Sensitity Test, Contrast Test,
Ishihara, Cross Cylinder, Astigmatic Fan Dial,
Cross Grid, Fixation Spot Test, Stereo Test,
Red/Green Test, Worth Four-Dot Test, ect
