The test consists of a number of colored plates, called Ishihara test plates, each of which contains a circle of dots appearing randomized in color and size. Within the pattern are dots which form a number or shape clearly visible to those with normal color vision, and invisible, or difficult to see, to those with a red-green color vision defect, or the other way around. The full test consists of 14 plates,
Individuals WithColor Vision Defect Should See A Different Figure From Individuals With NormalColor Vision.
Makes Use Of ThePeculiarity That In Red-Green Blindness, Blue And Yellow Appear RemarkablyBright Compared With Red And Green
Ishihara TestChart Books For Color Deficiency 14 Plates With Usar Manual
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Ishihara Test Chart Book Color Deficiency Test Easy Reference Vision Testing$29.83
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Color Vision Test Book 38 Plates Ishihara Eye Exam Chart Kit with Occluder USNew$36.03
Ishihara Color Vision Test Book 24 Plates Compatible With Color Deficiency Book$27.00
Ishihara Test Chart Book Color Deficiency Easy Reference Vision Testing 2022$22.00
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