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  2. Ishihara test - Wikipedia

    en.wikipedia.org/wiki/Ishihara_Test

    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.

  3. Color vision test - Wikipedia

    en.wikipedia.org/wiki/Color_vision_test

    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.

  4. Color blindness - Wikipedia

    en.wikipedia.org/wiki/Color_blindness

    Color blindness can also result from physical or chemical damage to the eye, the optic nerve, parts of the brain, or from medication toxicity. [2] Color vision also naturally degrades in old age. [2] Diagnosis of color blindness is usually done with a color vision test, such as the Ishihara test.

  5. Farnsworth Lantern Test - Wikipedia

    en.wikipedia.org/wiki/Farnsworth_Lantern_Test

    By design, the FALANT allows mild color-blindness conditions to pass the test, while still excluding most of the moderate or severe cases of color-deficiency. The test is intended to mimic the types of situations requiring color vision that a sailor would find while serving aboard a ship. A passing test is no mistakes in the first nine pairs ...

  6. Only 18% Can Get A Perfect Score On This Color Blindness Test

    www.aol.com/only-18-perfect-score-color...

    The post Only 18% Can Get A Perfect Score On This Color Blindness Test first appeared on Bored Panda. Show comments. Advertisement. Advertisement. Holiday Shopping Guides. See all. AOL.

  7. Farnsworth–Munsell 100 hue test - Wikipedia

    en.wikipedia.org/wiki/Farnsworth–Munsell_100...

    The Farnsworth–Munsell 100 Hue Color Vision test is a color vision test often used to test for color blindness.The system was developed by Dean Farnsworth in the 1940s and it tests the ability to isolate and arrange minute differences in various color targets with constant value and chroma that cover all the visual hues described by the Munsell color system. [1]

  8. Color blind grandson and grandpa see certain colors for the ...

    www.aol.com/news/2015-12-07-color-blind-grandson...

    BY LEAH KIRSTEIN, WPMT. YORK, Pa. - A teenager and his grandpa are seeing certain colors for the first time thanks to technology and a contest. Kohen Stover's parents heard about a nationwide ...

  9. Shinobu Ishihara - Wikipedia

    en.wikipedia.org/wiki/Shinobu_Ishihara

    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 .

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