title: Causes of blindness in Nigeria--a study of 1,000 hospital patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001766:Blindness / Q000453:epidemiology / Q000209:etiology*; D002386:Cataract / Q000453:epidemiology; D002648:Child; D005128:Eye Diseases / Q000453:epidemiology; D005131:Eye Injuries / Q000453:epidemiology; D005134:Eye Neoplasms / Q000453:epidemiology; D005260:Female; D005901:Glaucoma / Q000453:epidemiology; D006801:Humans; D007634:Keratitis / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D009855:Onchocerciasis / Q000453:epidemiology; D009896:Optic Atrophy / Q000453:epidemiology; D012164:Retinal Diseases / Q000453:epidemiology; D014605:Uveitis / Q000453:epidemiology