Anti-VEGF Injection Therapy. People with severe non proliferative diabetic retinopathy have a high risk of developing PDP and may need a comprehensive dilated eye exam as often as every 2 to 4 months. The macula is the inner part of the retina that allows for detail to be seen. The better you control blood sugar levels, the lower your risk. Diabetic macular enema DBE. In response, new blood vessels start growing in the retina. This can lead to blood and other liquid leaking into the retina from the blood vessels. However, in early stages of retinopathy, there may be no noticeable symptoms.
Eventually, diabetic retinopathy, glaucoma or both can lead to complete vision loss. It is usually possible to know within months whether there is any significant long-term damage to vision. Treatment can start before sight is affected, which helps prevent vision loss.