Assessment of Retinal Vascular Changes With and Without ILM Peeling in Diabetic Vitrectomy Using OCT-A.

optical coherence tomography angiography will be done postoperatively in both groups to assess the retinal microvascular changes

optical coherence tomography for ganglion cell complex (GCC) measurement and assessment of macular edema or epiretinal membrane formation will be done postoperatively in both groups