Pan-retinal laser photocoagulation has been the gold-standard treatment for proliferative diabetic retinopathy. Avastin injections may become a safer, better alternative to retinal laser treatment to prevent blindness.
Decreased vision can be from advancing retinal disease. It can also be from dry eye. Patients with retinal disease can have dry eye, too, but it may be hard for your doctor to distinguish one from the other.
Getting drugs into the inside of the eye is very hard. Intraocular injections have become an effective way to deliver medications to the inside of the eye and bypass the blood brain barrier to treat retinal disease.