seventy-two percent of eyes of younger onset and 45 % of eyes of older onset persons that had received panretinal photocoagulation treatment were found to have incomplete regression of retinal new vessels , and in approximately half of these eyes severe proliferative retinopathy ( diabetic retinopathy study high risk characteristics [ drs-hrc ] ) was present .
C0015392
eyes
C0011884
diabetic retinopathy