A complication of diabetes that affects the eyes. It's caused by damage to the blood vessels of the light-sensitive tissue at the back of the eye (retina).
The four stages of diabetic retinopathy include:
1. Mild Nonproliferative Retinopathy. This beginning stage is often where swelling begins in the retina's blood vessels. ...
2. Moderate Nonproliferative Retinopathy.
3. Severe Nonproliferative Retinopathy.
4. Proliferative Retinopathy.
Early symptoms include floaters, blurriness, dark areas of vision and difficulty perceiving colours. Blindness can occur.
Mild cases may be treated with careful diabetes management. Advanced cases may require laser treatment or surgery.
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