Ishihara Colour Blindness Test
by Billy Nicart more by this developer →
#484,468 of 718,701 by ratings on Apple · #33,337 of 50,450 in Health & Fitness
First seen by this census 09/05/2026 — the store does not publish a creation date
Last updated 06/06/2019
Tracked since 09/05/2026
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Category: Health & Fitness
Description
The Ishihara test is a color perception test for red-green color deficiencies, the first in a class of successful color vision tests called pseudo-isochromatic plates. It was named after its designer, Dr. Shinobu Ishihara, a professor at the University of Tokyo, who first published his tests in 1917.
This app should not be used for diagnosis, please consult your medical professional for further testing and information.
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Growth
Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.
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History
Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.