Ishihara Color Blindness book

Material: color plates

KRM product code: KDP-002

Discription: It consists of a number of colored plates, called Ishihara plates, each of which contains a circle of dots appearing randomized in size and color.Pattern of dots 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.It consists of 38 plates, but the existence of a deficiency is usually clear after a few plates.Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with green and red Diagnostic plates: intended to determine the type of color vision defect Ishihara Test Chart Books for Color Deficiency 38 Plates with user manual




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