Description
* Comes with Instruction manual and an OCCLUDER.* 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.* Color plates encased in specially designed album-type books for ease of handling. Detailed instructions included.
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