title: Aetiology of childhood blindness in Benin City, Nigeria.
mesh_terms: D000293:Adolescent; D001766:Blindness / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009549:Nigeria; D014505:Urban Population