Edema means "swelling". In diabetes...blood vessels can oftentimes leak...causing fluid and fatty deposits to accumulate in the macula...much like a "wet sponge". This thickened area of central retina does not function normally...patients experience reduced central detailed vision.Numerous treatment alternatives exist for diabetic macular edema...including improvement in blood sugar and blood pressure control, laser treatment, drug injections (Avastin, Kenalog, Lucentis) and vitrectomy surgery.
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