Frequency of Diabetic Retinopathy in Karachi, Pakistan: A Hospital Based Study
Keywords:
Non proliferative diabetic retinopathy, Diabetic maculopathy, Proliferative diabetic retinopathyAbstract
Objective: This study was conducted to determine the prevalence of diabetic retinopathy in diabetes patients presenting to the National Institute of Diabetes and Eye out patient department of Dow University Hospital (Ohja campus), Dow University of Health Sciences.
Materials and Methods: This was a cross sectional study in which known diabetics were recruited between the period of 1st July 2011 till 31st July 2012.They were then referred to the Ophthalmology unit for eye examination. Subjective refraction was done with Snellens chart, anterior segment examination and fundus examined was done using a TopCon PS-61E Slit lamp BioMicroscope. All patients were dilated with eye drop tropicamide 1% instilled every ten minutes for thirty minutes and the fundus was examined with Volk 90D lens. Classification of diabetic retinopathy was done using the International clinical diabetic retinopathy disease severity scale study. The data was analyzed using Statistical package for social Science (SPSS version
20) and a p value of < 0.05 was taken as statistically significant.
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