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Ishihara test

[ ish-ee-hahr-uh 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.


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Word History and Origins

Origin of Ishihara test1

1920–25; named after S. Ishihara (1879–1963), Japanese eye specialist, who devised it

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IshiguroIshikari Bay