انواع كدورت عدسي و عوامل تعيين كننده آن در بيماران مراجعه كننده به بيمارستان لبافي نژاد

Evaluation of the etiology of cataract in a referral hospital in Tehran, Iran

Objective(s): To evaluate the etiology of cataract and prevalence and correlation of risk factors with various types of cataract. Methods: Among the patients who underwent cataract surgery in Labafinejad Hospital in 2004. 400 patients were chosen by a systemic sampling method. Information were collected from the patientsʹ records and recorded in a check list. Results: Senile and congenital types of cataract were the most prevalent in the sample. There was a correlation between age, mean age, sex, type of involvement and type of cataract. Among systemic diseases, hypertension was the most common (35.5%), followed by diabetes mellitus (22%). In slit lamp examination, of congenital cases, the most common opacity was lamellar type and in other types of cataract, mixed opacity was the most common type. Conclusion: In this study the proportion of male cases was greater than that reported in other studies. Meanwhile, 65.5% of the patients