INTERNATIONAL JOURNAL OF
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The short term effect of grid laser photocoagulation in the management of diabetic macular edema

Author: Veena S. Raveendran1*, Anjali R. Kavthekar2, Murali Ariga1, S. Sangeetha1, M. Nivean1

1Consultant ophthalmologist, M.N. Eye hospital Pvt. Ltd. Adyar, Chennai

2Resident doctor, M.N. Eye hospital Pvt. Ltd. Adyar, Chennai

ABSTARCT

BACKGROUND: Diabetic macular edema (DME) is one of the most common complication of diabetic retinopathy causing vision loss. Grid laser photocoagulation with or without intra vitreal drugs are the main stay of treatment for diabetic macular edemas with strict glycemic control. The study was done to evaluate the effectiveness of grid laser photocoagulation on DME. MATERIALS AND METHODS: A prospective, non randomized, consecutive, interventional study of 30 eyes of 20 patients with Type 2 diabetes mellitus having mild to moderate non proliferative diabetic retinopathy (NPDR) with macular edema who underwent grid laser photocoagulation  was done over a period of 18 months. Patients were monitored at 1, 3 and 6 months. Visual acuity and change in foveal thickness were measured. RESULTS: There was a significant decrease in foveal thickness and improvement in visual acuity at 1 and 3 months. At 6 months, the decrease in foveal thickness and improvement in visual acuity was not statistically significant. CONCLUSION: The present study on grid laser photocoagulation and its effect on retinal thickness on diabetic macular edema shows that grid laser is beneficial in improving and maintaining the visual acuity and in reducing macular thickness but may not be sustained for 6 months in our study population.

Keywords: Diabetic macular edema, Grid laser photocoagulation, SD OCT
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