Diabetic retinopathy involves swelling, leaking or abnormal growth of blood vessels in or near the retina.

Diabetic Retinopathy

There are multiple stages to this disease, the earliest of which may not present any symptoms you can see.

Symptoms you can see include dark or black spots in your vision that increase over time, or severely blurred vision due to bleeding within the eye.

That’s why comprehensive eye exams are so important when thinking about diabetes and eye sight—both type 1 and type 2 diabetics are at risk for developing diabetic retinopathy, and the longer you have diabetes, the more likely you are to develop some form of the disease.

Treatment for Diabetic Retinopathy

Diabetic retinopathy can be treated with a laser to seal off leaking blood vessels and inhibit the growth of new vessels. Called laser photocoagulation, this treatment is painless and takes only a few minutes.

In some patients, blood leaks into the vitreous humor and clouds vision. The eye doctor may choose to simply wait to see if the clouding will dissipate on its own, or a procedure called a vitrectomy may be performed to remove blood that has leaked into the vitreous humor.

Small studies using investigational treatments for diabetic retinopathy have demonstrated significant vision improvement for individuals who are in early stages of the disease. Two medications that are closely related, Lucentis and Avastin, may be able to stop or reverse vision loss, similar to very promising results that have been reported when the two drugs have been used as treatments for macular degeneration.

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