Comparison of Epidemiological Factors between Patients with Senile Cataract and Controls without Cataract
[1]
Farahani Heidar, Department of Biochemistry, Medical College, Faculty of Medicine, Arak University of Medical Sciences, Arak, I. R. Iran.
[2]
Falahati Jamal, Department of Ophthalmology, Amir Kabir Hospital, Faculty of Medicine, Arak University of Medical Sciences, Arak, I. R. Iran.
[3]
Nakhaei Mohammad, General Practitioner, Amir Kabir Hospital, Faculty of Medicine, Arak University of Medical Sciences, Arak, I. R. Iran.
Introduction: The aim of present study was to compare environmental factors between patients with senile cataract and individuals without cataract. Materials and Methods: In this case-control study, we investigated 872 participants; 436 of them with senile cataract diagnosed by an ophthalmologist. Other 436 participants were without cataract chosen as a control group. Participants were interviewed about epidemiological factors by a general practitioner using a structured questionnaire. Factors of environmental exposure were sunlight exposure during work, electric shock, head radiography, ocular trauma, high blood pressure, smoking, diabetes and the use of multivitamins and mineral supplements such as iron and zinc. We also asked the participants about their genealogy of cataract. Results: We observed a positive difference changes between the presence of senile cataract and control in the environmental factors of sunlight exposure during work by 49.8%, genealogy ,25.4%, high blood pressure18.2%, diabetes14.2%, head radiography13.7%, smoking11%, ocular trauma 3.2%, electric shocked 2.7% . Multivitamins and mineral supplements were less commonly used by participants with cataract compared with the control group. Conclusion: we observed a positive correlation between the presence of senile cataract and the following factors: electric shock (p < 0.044), sunlight exposure during work, head radiography, smoking, ocular trauma, genealogy, high blood pressure and diabetes (p < 0.001).Therefore senile cataract could be avoided or delayed by controlling environmental factors and the use of vitamins.
Senile Cataract, Sunlight, Diabetic, Smoking, Ocular trauma, Environmental Exposure, High Blood Pressure
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