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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

    An Ishihara test image as seen by subjects with normal color vision and by those with a variety of color deficiencies. The main method for diagnosing a color vision deficiency is in testing the color vision directly. The Ishihara color test is the test most often used to detect red–green deficiencies and most often recognized by the public. [1]

  5. Color blind glasses - Wikipedia

    en.wikipedia.org/wiki/Color_blind_glasses

    A plate from the Ishihara test. Color blindness (color vision deficiency) is the decreased ability to see color or differences in color. It can impair daily color tasks such as selecting ripe fruit or choosing clothing, as well as safety-related tasks such as interpreting traffic lights. While the disability of color blindness is considered ...

  6. Congenital red–green color blindness - Wikipedia

    en.wikipedia.org/wiki/Congenital_red–green...

    However, color vision and genotype are highly correlated, especially when acquired color blindness is ruled out. [16] The Ishihara color test is the test most often used to detect red–green deficiencies and most often recognized by the public. [17]

  7. 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 .

  8. Wearable devices like Fitbit can predict IBD flares 7 weeks ...

    www.aol.com/wearable-devices-fitbit-predict-ibd...

    Wrist-worn devices can predict imminent inflammatory and symptomatic inflammatory bowel disease flare-ups as far in advance as 7 weeks, a study suggests.

  9. File:Eight Ishihara charts for testing colour blindness ...

    en.wikipedia.org/wiki/File:Eight_Ishihara_charts...

    Eight Ishihara charts for testing colour blindness, Europe, 1917-1959 Colour blindness is tested using these eight placards. They are known as Ishihara charts. They are named after their inventor, Japanese ophthalmologist Shinobu Ishihara (1897–1963). Each image consists of closely packed coloured dots and a number.

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