title: [Variations in age of onset and the average age of patients operated on for cataract. Importance of economic, social, and geographic factors].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002386:Cataract / Q000453:epidemiology*; D002387:Cataract Extraction; D005260:Female; D006801:Humans; D007558:Italy; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D012959:Socioeconomic Factors; D013997:Time Factors
vernacular_title: Variations de l'age de debut de la cataracte senile et de l'age moyen des opérés de cataracte. Importance des facteurs économiques, sociaux et géographiques.