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  2. Color blind glasses - Wikipedia

    en.wikipedia.org/wiki/Color_blind_glasses

    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 minor, the use of color in safety ...

  3. EnChroma - Wikipedia

    en.wikipedia.org/wiki/EnChroma

    EnChroma are a brand of color corrective lenses designed to address the symptoms of red–green color blindness.Studies have shown that these lenses can alter the appearance of colors, but they do not restore normal color vision, [1] and generally agree that they do not allow the wearer to see "new" colors. [2]

  4. Color blindness - Wikipedia

    en.wikipedia.org/wiki/Color_blindness

    Color blindness is any deviation of color vision from normal trichromatic color vision (often as defined by the standard observer) that produces a reduced gamut. Mechanisms for color blindness are related to the functionality of cone cells , and often to the expression of photopsins , the photopigments that 'catch' photons and thereby convert ...

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

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

    EnChroma makes glasses that help color blind people see more colors. Kohen had to submit a video. Here is what he said:

  6. Dichromacy - Wikipedia

    en.wikipedia.org/wiki/Dichromacy

    Protanopia is a severe form of red-green color blindness, in which the L-cone is absent. It is sex-linked and affects about 1% of males. Colors of confusion include blue/purple and green/yellow. [2] Deuteranopia is a severe form of red-green color blindness, in which the M-cone is absent. It is sex-linked and affects about 1% of males. Color ...

  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.

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