pseudo isochromatic test

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pseudo isochromatic test2016-11-12T05:58:59+00:00

pseudo isochromatic test

pseudo isochromatic test image from New Medical Terms

pseudo isochromatic test Ishihara plates

NEUROLOGY, OPHTHALMOLOGY 

A colour performance test using an arrangement of coloured dots which forms a pattern (usually a number or a letter) that can be read by a person with normal colour vision, which appears to be of uniform colour (isochromatic) to a person with abnormal colour vision. 

From top left, clockwise 25, 6, 8, 45, 29, 56

Reference http://www.isec.my/pinfo_colour_blindness.htm

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