ICD·index Chapters ENESDE
9D44 category

Impairment of colour vision

Definition

Colour vision refers to the ability to distinguish colour differences. True colour “blindness” is extremely rare. Most colour vision deficiencies are minor, and congenital, with X-linked recessive inheritance (more prevalent among men). Some drugs and optic neuritis may also cause colour vision deficiencies.

Inclusions

  • achromatopsia
  • acquired colour vision deficiency
  • colour blindness

Also indexed as

DeuteranomalyDeuteranopiaDichromatopsiaImpairment of colour visionMonochromatopsiaProtanomalyProtanopiaRed-green colour blindnessReduced red-green discriminationReduced red-green visionTrichromatism anomalyTritan defectTritanomalyTritanopiaachromatismachromatopsiaacquired colour blindnessacquired colour vision deficiencycolour blindnesscolour vision deficiencycomplete colour blindnesscongenital colour blindnessdeutan defectmonochromatismprotan defecttotal colour blindness

Nearby in Impairment of visual functions