Specification:
Screen Size
Color
Working distance
Remote control distance
Power supply
Power
Vision recording methods
Optotypes
Test Graph
18.5 Inch
White /Black
1.0 m~6.5 m
0~8.0m
AC100V~240V, 50/60Hz
48W
Decimal & Imperial fractionTumbling E, Landolt C and Alphabet etc
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
Often purchased together, or from the same category.
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