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Diabetic retinopathy

Diabetic retinopathy is a common complication of diabetes. It occurs when high blood sugar levels damage the cells at the back of the eye (known as the retina). If it isn't treated, it can cause blindness.
Symptoms of diabetic retinopathy
Diabetic retinopathy does not usually cause any noticeable symptoms until it has reached an advanced stage. If retinopathy is not identified and treated, it can lead to sudden blindness.
Causes of diabetic retinopathy
Diabetic retinopathy is caused by high blood sugar levels damaging the network of tiny blood vessels that supply blood to the retina.
Diagnosing diabetic retinopathy
It’s important to identify diabetic retinopathy as soon as possible. Screening is an effective way of detecting retinopathy at an early stage.
Treating diabetic retinopathy
Early-stage retinopathy may not need to be treated, but more advanced retinopathy may require laser treatment or injections of medicine into the eye.
Preventing diabetic retinopathy
To prevent diabetic retinopathy, it is very important that you keep your blood sugar levels under careful control.
'To improve your eyesight, you have to make lifestyle changes'
Watch a video in which Tim talks about how he was diagnosed with diabetic retinopathy, and the treatment options available.
See what the doctor sees with Map of Medicine
Map of Medicine for diabetic retinopathy