title: [Survey on blindness in Central and Southern Tunesia. Methodology - preliminary results].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001766:Blindness / Q000453:epidemiology* / Q000517:prevention & control; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007429:Intraocular Pressure; D008297:Male; D008875:Middle Aged; D011897:Random Allocation; D014141:Trachoma / Q000175:diagnosis; D014416:Tunisia; D014792:Visual Acuity
vernacular_title: Sondage sur la cécité dans le centre et le sud de la Tunisie. Méthodologie suivie - résultats préliminaires.