color blindness

(redirected from Colour-blindness)
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Related to Colour-blindness: protanopia
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.color blindness - genetic inability to distinguish differences in hue
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
vision defect, visual defect, visual disorder, visual impairment - impairment of the sense of sight
References in periodicals archive ?
red-green colour-blindness green-red colour-blindness and blue-yellow colour-blindness.
Dodson's 'Conscious Colour- blindness, Unconscious Racism in Doctor Who Companions' examines how the Davies and Moffat era companions have been cast with an eye to colour-blindness while refusing to acknowledge their shortfalls--such as not regarding the first black companion as a companion.
Sir Ian also reveals the colour-blindness which prevents him seeing red cricket balls in green grass.
According to statistics, approximately 13,956 people from different regions in India, suffer from colour-blindness.