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Definition of Colour blindness
1. Noun. Genetic inability to distinguish differences in hue.
Exact synonyms: Color Blindness, Color Vision Deficiency, Colour Vision Deficiency
Specialized synonyms: Dichromacy, Dichromasy, Dichromatism, Dichromatopsia, Dichromia, Monochromacy, Monochromasy, Monochromatic Vision, Monochromatism, Monochromia
Generic synonyms: Birth Defect, Congenital Abnormality, Congenital Anomaly, Congenital Defect, Congenital Disorder, Vision Defect, Visual Defect, Visual Disorder, Visual Impairment
Derivative terms: Color-blind, Colour-blind
Specialized synonyms: Dichromacy, Dichromasy, Dichromatism, Dichromatopsia, Dichromia, Monochromacy, Monochromasy, Monochromatic Vision, Monochromatism, Monochromia
Generic synonyms: Birth Defect, Congenital Abnormality, Congenital Anomaly, Congenital Defect, Congenital Disorder, Vision Defect, Visual Defect, Visual Disorder, Visual Impairment
Derivative terms: Color-blind, Colour-blind
Medical Definition of Colour blindness
1. A sex-linked inherited condition where there is an inability to distinguish colours. Very few women are colour blind, but up to 10% of all men have some degree of colour blindness. The most common for is red-green colour blindness. The second most common is blue-yellow. Inheritance: sex-linked (X chromosome). (27 Sep 1997)