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 ?
Sir Ian also reveals the colour-blindness which prevents him seeing red cricket balls in green grass.
In WWII he attempted to enlist as a pilot but was rejected due to colour-blindness.
A mate of mine is in hospital waiting to have an operation to correct colour-blindness.