Ishihara Test Chart Book for Color Deficiency 24 Plates with Occluder
Product ID: 134882696
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Description
- 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 24 plates,
- Makes Use Of The Peculiarity That In Red-Green Blindness, Blue And Yellow Appear Remarkably Bright Compared With Red And Green
- 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.
- Diagnostic Plates: Intended To Determine The Type Of Color Vision Defec
- Ishihara Test Chart Books For Color Deficiency 24 Plates With User Manual
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