Ishihara Plate Definition
noun
Any of a set of colored plates each containing a pattern of dots of various colors and sizes, forming a number or shape clearly visible to those with normal color vision; used in testing for color blindness .
Wiktionary
Other Word Forms of Ishihara Plate
Noun
Singular:
Ishihara plate
Plural:
Ishihara platesOrigin of Ishihara Plate
Designed by Dr. Shinobu Ishihara at the University of Tokyo, who first published his tests in 1917.
From Wiktionary
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