Ishihara Colour Vision Test Book for Color Deficiency 14 Plates with Usear Manual
Product details
| Management number | 211745421 | Release Date | 2026/04/04 | List Price | $12.80 | Model Number | 211745421 | ||
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The test consists of a number of colored plates, called Ishihara 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 38 plates, but the existence of a deficiency is usually clear after a few plates. There is also the smaller test consisting only 14 plates.
- individuals with color vision defect should see a different figure from individuals with normal color vision.
- Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green
- Diagnostic plates: intended to determine the type of color vision defect
- Diagnostic Plates: Intended To Determine The Type Of Color Vision Defect
| Manufacturer | Pal Surgical And Medical |
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| Is Discontinued By Manufacturer | No |
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