pseudoisochromatic plate

pseu·​do·​isochromatic plate | \¦sü(ˌ)dō+...-\

Definition of pseudoisochromatic plate 

: one of a set of colored plates that include some which appear isochromatic to individuals with color-vision abnormality and that are widely used as a test for color blindness — compare ishihara test

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History and Etymology for pseudoisochromatic plate

pseudoisochromatic from pseud- + isochromatic

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