Ishihara Test Chart Book Color Deficiency Test Easy Reference Vision Testing

Ishihara Test Chart Book Color Deficiency Test Easy Reference Vision Testing

USD 36.26 USD
SKU: yPidF2io
Brand: Graham-Field
GTIN: 717076043021
Condition: New

Specifications

ColorBlue
Size1 Count (Pack of 1)
EAN0717076043021
ISBN0717076043021
Package Dimensions LxWxH8.74x6.1x0.67 Inches
Weight0.6 Pounds
BrandGraham-Field
UPC717076043021

Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green. Consist of a number of colored plates. On each plate is printed a circle made of many different sized dots of slightly different colors, spread in a random manner.

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