Tractional retinal detachment (TRD) that involves the macula and non-clearing vitreous hemorrhage are the main causes of permanent vision loss in patients with diabetic retinopathy and requires prompt surgical intervention. Macular peeling is a surgical technique used in many retinal diseases including diabetic retinal detachment. Our purpose is to determine whether retinal microcirculatory changes occur after anatomically successful diabetic vitrectomy, and whether changes in blood flow vary if ILM peeling was done and whether changes in macular perfusion affect the final visual outcome. The aim of this study is to non-invasively evaluate, with optical coherence tomography angiography (OCT-A), the anatomical changes of deep and superficial vascular density in the macula with and without macular peeling in diabetic vitrectomy.
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Compare the superficial and deep vascular densities using OCT-A with and without ILM peeling in diabetic vitrectomy patients.
Timeframe: 18 months total study duration , 9 months follow up
Compare the foveal avascular zone using OCT-A between both groups.
Timeframe: 18 months total study duration , 9 months follow up