Diabetic retinopathy is the most important manifestation of diabetic eye di
sease. There are retinopathy, maculopathy, pathology of the vitreoretinal i
nterface,and tractional retinal detachment. The development of surgical app
roaches based on pathogenetic ideas are shown. The beneficial effect of par
s plana vitrectomy for persisting and recurrent vitreous hemorrhage, epiret
inal fibrovascular proliferation,and retinal detachment is discussed. The s
urgical skills and experiences in diabetic eyes are stressed.