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- Color_perception_test abstract "The Ishihara Color Test is an example of a color perception test for red-green color deficiencies. It was named after its designer, Dr. Shinobu Ishihara, a professor at the University of Tokyo, who first published his tests in 1917.The test consists of a number of colored plates, called Ishihara plates, each of which contains a circle of dots appearing randomized in color and size. Within the pattern are dots which form a number or shape clearly visible to those with normal color vision, and invisible, or difficult to see, to those with a red-green color vision defect, or the other way around. The full test consists of 38 plates, but the existence of a deficiency is usually clear after a few plates. There is also the smaller test consisting only 24 plates.The plates make up several different test designs:Transformation plates: individuals with color vision defect should see a different figure from individuals with normal color vision.Vanishing plates: only individuals with normal color vision could recognize the figure.Hidden digit plates: only individuals with color vision defect could recognize the figure.Diagnostic plates: intended to determine the type of color vision defect (protanopia or deuteranopia) and the severity of it.".
- Color_perception_test thumbnail Ishihara_9.png?width=300.
- Color_perception_test wikiPageExternalLink color-blindness-test-for-printers.html.
- Color_perception_test wikiPageExternalLink test.
- Color_perception_test wikiPageExternalLink new_test_daltonien.php.
- Color_perception_test wikiPageExternalLink Ishihara.asp.
- Color_perception_test wikiPageID "67881".
- Color_perception_test wikiPageRevisionID "598512283".
- Color_perception_test caption "Example of an Ishihara color test plate. The number "74" should be clearly visible to viewers with normal color vision. Viewers with dichromat or anomalous trichromat may read it as "21", and viewers with achromat may see nothing.".
- Color_perception_test hasPhotoCollection Color_perception_test.
- Color_perception_test meshid "D003119".
- Color_perception_test name "Color perception test".
- Color_perception_test subject Category:Color.
- Color_perception_test subject Category:Test_items.
- Color_perception_test subject Category:Vision.
- Color_perception_test comment "The Ishihara Color Test is an example of a color perception test for red-green color deficiencies. It was named after its designer, Dr. Shinobu Ishihara, a professor at the University of Tokyo, who first published his tests in 1917.The test consists of a number of colored plates, called Ishihara plates, each of which contains a circle of dots appearing randomized in color and size.".
- Color_perception_test label "Color perception test".
- Color_perception_test sameAs m.0ht0_.
- Color_perception_test wasDerivedFrom Color_perception_test?oldid=598512283.
- Color_perception_test depiction Ishihara_9.png.
- Color_perception_test isPrimaryTopicOf Color_perception_test.