Laser treatment (photocoagulation) can be an effective treatment for diabetic retinopathy. But it does not cure the disease. It can prevent, delay, and sometimes reverse vision loss. Without either laser treatment or surgery, vision loss caused by diabetic retinopathy and its complications may get worse until blindness occurs. So early treatment is vital to slowing vision loss, which can happen quickly.
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Pan-retinal laser treatment is used to treat several spots on the retina during one or, most often, two sessions. It reduces the risk of serious bleeding and the progression of severe proliferative retinopathy.
Laser photocoagulation can result in some loss of vision, because it destroys some of the nerve cells in the retina and can cause the abnormal blood vessels to go away. With pan-retinal photocoagulation, this most often affects the outside (peripheral) vision, because the laser is directed at that area. Your vision may be worse right after treatment. But vision loss caused by laser treatment is mild compared with the vision loss that may be caused by untreated retinopathy.
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WebMD Medical Reference from Healthwise
June 04, 2014
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