yellow-blue dichromacy

Definitions of yellow-blue dichromacy
  1. noun
    confusion of yellow and blue
    synonyms: yellow-blue color blindness
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    types:
    tetartanopia, yellow-blindness
    a form of dichromacy characterized by lowered sensitivity to yellow light; so rare that its existence has been questioned
    blue-blindness, tritanopia
    rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow
    type of:
    dichromacy, dichromasy, dichromatism, dichromatopsia, dichromia
    a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)
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