“…Signs of retinopathy were monitored as change in hard exudate severity [ 64 ], hard exudate and hemorrhage frequency [ 62 ], incidence of intraocular hemorrhage after panretinal laser coagulation [ 63 ], and rate of recurrence of retinal vein thrombosis [ 65 ]. Vascular complications were monitored using more homogeneous endpoints: pain-free walking distance [ 67 , 69 , 70 ] and maximal walking distance [ 66 , 67 , 69 , 70 ] in PAD, and rate of and time to re-epithelization for diabetes-associated trophic ulcers [ 68 , 71 , 72 ].…”