4 days ago
Ishihara Test Chart Books for Color Deficiency 38 Plates with usar Manual and One Eye OCCLUDER
$29.99$51.2341% off
*Price verified 1 hour ago - prices may change
Quick take
Color vision deficiency test chart book kit
- 38 diagnostic plates identify red and green color blindness types
- Hidden digit design visible only to colorblind individuals
- Album-style format with manual and eye occluder included
For diagnosing and classifying color vision deficiencies
- Classification design: This is used to differentiate between red- and green-blind persons. The vanishing design is used on either side of the plate, one side for deutan defects an the other for protans.
- * Diagnostic plates: intended to determine the type of color vision defect.
- * Color plates encased in specially designed album-type books for ease of handling. Detailed instructions included.
- Individuals with color vision defect should see a different figure from individuals with normal color vision.
- Hidden digit design: Only colorblind people are able to spot the sign. If you have perfect color vision, you won’t be able to see it.
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