Diabetic neuropathy refers to nerve pain and damage caused by diabetes. It causes muscle weakness, erectile dysfunction, incontinence and constipation.
Proliferative diabetic retinopathy is a sight-threatening eye disease characterised by neovascularisation, the abnormal growth of blood vessels, in the eye.
Male sexual dysfunction, also called erectile dysfunction or impotence, is characterised by a man not being able to get or maintain an erection for sex.