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dichromia

DEFINITIONS OF: dichromia

1

n 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)

Synonyms:
dichromacy, dichromasy, dichromatism, dichromatopsia
Types:
show 6 types...
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red-green color blindness, red-green colour blindness, red-green dichromacy
confusion of red and green
yellow-blue color blindness, yellow-blue dichromacy
confusion of yellow and blue
Daltonism, deuteranopia, green-blindness
dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
protanopia, red-blindness
dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue
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:
color blindness, color vision deficiency, colour blindness, colour vision deficiency
genetic inability to distinguish differences in hue
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