title: Blindness: a global priority for the twenty-first century.
authors: E T
authors: ET
authors: Cunningham
authors: T M
authors: TM
authors: Lietman
authors: J P
authors: JP
authors: Whitcher
mesh_terms: D000328:Adult; D001766:Blindness / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control; D002648:Child; D014943:Global Health; D006292:Health Priorities; D006801:Humans; D014944:World Health Organization