Retinopathy occurs when blood vessels in the back of the eye, the retina, become damaged. When the blood vessels become damaged they can leak and these leaks can cause dark spots on our vision.

The main causes of retinopathy tend to be sustained high blood glucose levels and high blood pressure as well.

Retinopathy can progress over years or decades depending on how good your blood glucose control is.

Diabetic retinopathy: