Ishihara tests

A form of Ishihara test — A test for red-green color blindness, using a number of colored plates (Ishihara plates), each of which contains a circle of dots of various colors and sizes. Depending on the person's vision, certain dots within the pattern will appear to form recognizable numbers or shapes.

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Meanings

noun
  1. pluralplural of Ishihara test
Cite this entry
APA

Ishihara tests. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Ishihara%20tests

MLA

“Ishihara tests.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Ishihara%20tests. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Ishihara tests,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Ishihara%20tests.

Source: Ishihara tests on Wiktionary, CC BY-SA 4.0.