Ish·i·ha·ra test ( sh -hä r )n. 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. |
Ishihara test [ish″e-hah´rah]
a test for color vision made by the use of a series of pseudoisochromatic plates or charts.
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