what is the difference between proliferative and nonproliferative diabetic retinopathy?
Diabetic retinopathy falls into two main classes: nonproliferative and proliferative. The word "proliferative" refers to whether or not there is neovascularization (abnormal blood vessel growth) in the retinaEarly disease without neovascularization is called nonproliferative diabetic retinopathy (NPDR).