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The Ishihara test is a color vision test for detection of red–green color deficiencies. It was named after its designer, Shinobu Ishihara, a professor at the University of Tokyo, who first published his tests in 1917. [2] The test consists of a number of Ishihara plates, which are a type of pseudoisochromatic plate.
The City University test (also known as TCU test [1] or CU test [2]) is a color vision test used to detect color vision deficiency. Unlike commonly used Ishihara test , City University test can be used to detect all types of color vision defects.
An Ishihara test image as seen by subjects with normal color vision and by those with a variety of color deficiencies. A pseudoisochromatic plate (from Greek pseudo, meaning "false", iso, meaning "same" and chromo, meaning "color"), often abbreviated as PIP, is a style of standard exemplified by the Ishihara test, generally used for screening of color vision defects.
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The following is a non-exhaustive list of standardized tests that assess a person's language proficiency of a foreign/secondary language. Various types of such exams exist per many languages—some are organized at an international level even through national authoritative organizations, while others simply for specific limited business or study orientation.
Shinobu Ishihara (石原 忍, Ishihara Shinobu, September 25, 1879 – January 3, 1963) was a Japanese ophthalmologist who created the Ishihara color test to detect colour blindness. He was an army surgeon .
The link was discussed at Talk:Color blindness/Archive 2#please test it with mixed results. The link was reinserted by an IP in this edit in 2008. The link has been around for 8 years. There was no discussion on the Ishihara test talk page. Even if we concede the two editors who added the link are the author, that is not necessarily bad.
Ishihara (石原, lit. "stone meadow") is a Japanese surname. Notable people with the surname include: Notable people with the surname include: Shinobu Ishihara (1879–1963), physician