Retinal therapies considered in the studies found included panretinal photocoagulation,180 anti-VEGF,181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213 pars plana vitrectomy,214 and steroids215, 216, 217 for DME181, 182, 183,185,187,188,191,192,194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208,210,212, 213, 214, 215,217,218 and retinopathy.180. This evidence concerns the gene VEGFA and retinal disorder.