Vision Chart
Vision Tester Ophthalmic Testing Equipment Electronic Visual Digital Visual Acuity Chart with Lcd Screen
Specification
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Screen Size
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21.5 inch, 23 inch, 22 inch,24 inch
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Working distance
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1m-6.5m
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Remote control distance
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0-8m
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Power supply
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AC100V to 240V, 50/60Hz
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Power
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48W
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Vision recording methods
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Decimal & Imperial fraction
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Optotypes
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Tumbling E, Landolt C and Alphabet etc
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Test Graph
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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 |