Diabetic retinopathy is a most common diabetic eye disease caused by changes in the blood vessels of the retina which is the light-sensitive tissue at the back of the eye. The abnormal new blood vessels grow on the surface of the retina while the blood vessels of people with diabetic retinopathy may leak blood and grow fragile.
Diabetic retinopathy is a leading cause of low vision and blindness in many countries.
It has mild, moderate and severe stages which can cause changes in the eye, including:
PDR may cause more severe vision loss than NPDR because it can affect both central and peripheral vision. PDR affects vision in the following ways:
Often there are no symptoms in the early stages. You'd better contact your ophthalmologist for a complete exam if you are experience one or more of above symptoms.
Regular eye exam, strict control blood sugar and pressure levels are greatly helpful to reduce or prevent vision loss from diabetic retinopathy. Unless you have macular edema, the treatment is not necessary. And until now, there is no treatment to cure diabetic retinopathy. Contact your eye care professional for specific suggestions if you have vision loss.
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