🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsالعربيةفارسیहिन्दी한국어中文日本語EntityQ64152· pop 30· linked from 24 articlesIshihara testAlso known as Color vision study, Ishihara platecolor perception testWikidata factsImageIshihara 9.pngSources (2)wikidata.orgdocs.openalex.orgvia Wikidata · CC0Available in 29 languagesEspañolFrançaisDeutsch中文日本語PortuguêsItalianoالعربيةहिन्दीAfrikaansConnectionscolor blindnessEntityeye surgeryEntityCategories1917 introductionsColor blindnessDiagnostic ophthalmologyJapanese inventionsTest items