Colour vision in vitamin A deficiency.
D002648:Child; D002675:Child, Preschool; D003118:Color Perception / Q000187:drug effects; D003117:Color Vision Defects / Q000209:etiology*; D006801:Humans; D014801:Vitamin A / Q000494:pharmacology; D014802:Vitamin A Deficiency / Q000150:complications*
D014801:Vitamin A