True or false proliferative retinopathy a diabetic microvascular disease represent the greatest threat to vision it is characterized by the proliferation of new blood vessels growing from the retina into the vitreous.

True.

Explanation:

Proliferative retinopathy may be described as a medical condition in which the new and weak blood start to form on retina and restores the blood supply. This condition may also develop in diabetic patient.

This is a diabetic microvascular disease that can affect the physiology of eyes. The individual has the threat to vision because new blood vessels grows on retina from the vitreous.

Thus, the answer is true.