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Colour vision deficiency, commonly referred to as colour-blindness, is a common congenital disorder that affects the perception of colour. It predominantly affects men (8%) due to the genetics of the disorder but women (0.5%) are also affected. It is mostly a congenital problem - it is the most common human inherited trait - but it can be acquired, for example, through damage to the retina, optic nerve, or higher brain regions. Colour-blindness seldom manifests as the inability to perceive no colour - complete colour-blindness is very rare - but instead results in far fewer colour responses than normal, which means colours that may appear contrasting and different to a person with normal colour vision can appear less so to people with colour vision deficiencies. There is currently no biological cure available for colour-blindness. Read more articles on CVD in the list below |
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