title: [Etiology of blindness in Chad].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001766:Blindness / Q000453:epidemiology* / Q000209:etiology; D002386:Cataract / Q000453:epidemiology; D002596:Chad; D002648:Child; D002675:Child, Preschool; D005128:Eye Diseases / Q000453:epidemiology*; D005260:Female; D005901:Glaucoma / Q000453:epidemiology; D006801:Humans; D007223:Infant; D007634:Keratitis / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D009855:Onchocerciasis / Q000453:epidemiology; D009896:Optic Atrophy / Q000453:epidemiology; D012162:Retinal Degeneration / Q000453:epidemiology; D012737:Sex Factors; D014141:Trachoma / Q000453:epidemiology; D014605:Uveitis / Q000150:complications; D014792:Visual Acuity
vernacular_title: Etiologie de la cécité au Tchad.