Vitamin A deficiency, xerophthalmia and blindness.
D001766:Blindness / Q000209:etiology*; D002664:Child Nutritional Physiological Phenomena; D004035:Diet Therapy; D005123:Eye / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D009755:Night Blindness; D014141:Trachoma; D014801:Vitamin A / Q000627:therapeutic use; D014802:Vitamin A Deficiency / Q000150:complications*; D014985:Xerophthalmia / Q000145:classification / Q000188:drug therapy / Q000209:etiology* / Q000473:pathology / Q000517:prevention & control
D014801:Vitamin A