colour blindness

DEFINITIONS OF: colour blindness

Synonyms:: color blindness, color vision deficiency, colour vision deficiency

Types:: show 4 types...; hide 4 types...; 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); monochromacy, monochromasy, monochromatic vision, monochromatism, monochromia
complete color blindness; colors can be differentiated only on the basis of brightness; 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

Type of:: birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder
a defect that is present at birth; vision defect, visual defect, visual disorder, visual impairment
impairment of the sense of sight

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