However, the type of diabetes a person has, how often their blood glucose fluctuates, how well controlled the sugars are, and how long a person has had diabetes all affects his or her risk. The angiogram test involves the injection of a contrast agent or dye into your arm. The bleeding causes local irritation and scarring. Macular enema and Macular Ischemia Proliferative Retinopathy PDP Ocular Coherence Tomography OCR Test Anti-VEGF therapy Avastin, Lucentis, Eylea Treatment Sudden loss of vision in one eye The symptoms described above may not necessarily mean that you have diabetic retinopathy. As the disease progresses, blood vessels that nourish the retina may swell and distort. Macular enema: swelling or thickening of the macula caused by fluid leaking from the retina's blood vessels. In the clinic, diagnostic devices that use A may improve the detection of subtle changes in retinal tissue and blood vessels. When these blood vessels are damaged, they may leak blood and grow fragile new vessels.
This.eakage.ermits protein to accumulate in the retina causing the retina to become swollen or “waterlogged” . Cataract also tends to develop at an earlier age in people with diabetes. This bleeding can also cause scar tissue to form, which can pull on the retina and cause the retina to move away from the wall of the eye retinal detachment .