ishihara test


ishihara test

noun Ophthalmology.

  1. a test for determining color blindness by means of a series of cards each having colored dots that form one pattern to the normal eye and a different pattern to the eye that is color-blind.

n.

  1. A test for color-vision deficiency employing a series of plates on which numbers or letters are printed in dots of primary colors surrounded by dots of other colors; the figures are discernible by individuals with normal color vision.

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