1825
Table of Contents > Health Dictionary > Ishihara test

Ishihara test

A test for color vision deficiency that uses a series of pseudoisochromatic plates on which numbers or letters are printed in dots of primary colors surrounded by dots of other colors; the figures are discernible by patients with normal color vision.
Healthy Living Marketplace
Wakunaga of America
Lily of the Desert
Solgar
American Health
Eden Foods
Now Food