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  2. File:Holmgren's coloured wool test for colour blindness ...

    en.wikipedia.org/wiki/File:Holmgren's_coloured...

    The accident was believed to be caused by a colour blind train driver. Following Holmgren’s research, colour blindness tests were made compulsory for railway and shipping workers in Sweden. maker: Unknown maker Place made: Europe Wellcome Images Keywords: Ophthalmology; colour blindness test

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

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

    Increase your screen’s brightness, put on your glasses, and join this vision challenge! 👀 The post Only 18% Can Get A Perfect Score On This Color Blindness Test first appeared on Bored Panda ...

  4. File:Punnett square colour blindness.svg - Wikipedia

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

    Punnett squares for each combination of parents' colour vision status giving probabilities of their offsprings' status, each cell having 25% probability in theory. Normal text denotes a person (or chromosome from a person) who has normal colour vision and no defective gene, italics: has normal colour vision and a defective gene, and bold: is ...

  5. 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.

  6. 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]

  7. 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.

  8. File:Color blindness.svg - Wikipedia

    en.wikipedia.org/wiki/File:Color_blindness.svg

    Render this image in . This is a file from the ... Description= {{en|1=A comparison of the visible color spectrum in common types of color blindness.}} {{fr ...

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