The prevention of childhood blindness by the administration of massive doses of vitamin A.
D000328:Adult; D000367:Age Factors; D000818:Animals; D001766:Blindness / Q000517:prevention & control*; D002338:Carotenoids / Q000627:therapeutic use; D002648:Child; D002675:Child, Preschool; D003365:Costs and Cost Analysis; D004305:Dose-Response Relationship, Drug; D006801:Humans; D007194:India; D007223:Infant; D051381:Rats; D013997:Time Factors; D014801:Vitamin A / Q000008:administration & dosage* / Q000009:adverse effects / Q000378:metabolism / Q000627:therapeutic use; D014802:Vitamin A Deficiency / Q000150:complications* / Q000188:drug therapy
D014801:Vitamin A; D002338:Carotenoids