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Year : 2009  |  Volume : 57  |  Issue : 4  |  Page : 293-298

Diabetic retinopathy, visual impairment and ocular status among patients with diabetes mellitus in Yemen: A hospital-based study

1 Department of Ophthalmology, Faculty of Medicine and Health Sciences, Sana'a University and Ibn Al-Haitham Eye Center, University of Science and Technology, Oman
2 Department of Medicine, Faculty of Medicine and Health Sciences, Sana'a University and Ibn Al-Haitham Eye Center, University of Science and Technology, Oman
3 British Columbia Center for Epidemiologic and International Ophthalmology, University of British Columbia, Vancouver, Canada

Correspondence Address:
Rajiv B Khandekar
Eye and Ear Health Care, Department of Non-Communicable Disease Control, Director General of Health Affairs, Ministry of Health (HQ), POB: 393, Pin: 113, Muscat, Oman

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0301-4738.53055

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Background : We present a series of patients with diabetes mellitus (DM) who attended an eye hospital in Sana, Yemen during 2004. Aim: To determine the magnitude and risk factors of diabetic retinopathy (DR). Design: Cross-sectional study. Materials and Methods: Ophthalmologists assessed vision, ocular pressure, ocular media and posterior segment to note ocular manifestations among patients with DM. DR was graded by using bio-microscope and Volk lens. The prevalence and 95% confidence interval of ocular complications of DM were calculated. Risk factors of DR like age, sex, duration of diabetes and hypertension were evaluated. Statistical a0 nalysis : Univariate and multivariate analysis. Results : Our series comprised 350 patients suffering from DM. The duration of diabetes was ≥15 years in 101 (29%) patients. Physician was treating 108 DM patients with insulin. The prevalence of DR was 55% (95% CI 49.6-60.1). The proportions of background diabetic retinopathy (BDR), preproliferative diabetic retinopathy (PPDR), proliferative diabetic retinopathy (PDR) and diabetic macular edema were 20%, 13%, 17% and 22% respectively. The prevalence of blindness among DM patients was 16%. The prevalence of cataract and glaucoma was 34.3% and 8.6%. Duration of DM was the predictor of DR. One-fifth of the patients had sight-threatening DR and needed laser treatment. Conclusions : DR was of public health magnitude among our patients. An organized approach is recommended to address DR in the study area.

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