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Photocoagulation for diabetic retinopathy

Article Abstract:

A 30-year-old patient with diabetes complained of blurred vision, and was found to have diabetic retinopathy, a disorder caused by new growth of retinal blood vessels (neovascularization), a common complication of diabetes. The patient was at high risk for severe loss of vision, and was therefore treated with photocoagulation, which delivers tiny burns by laser or other techniques to the retina. After treatment the patient's vision returned to normal, and remained so at follow-up five months later. Two clinical trials have found that photocoagulation is effective in preventing loss of vision in patients at high risk for loss of sight from retinopathy. For patients with less severe retinopathy, the choice is less clear because of the risk of side effects. A study comparing early and deferred treatment did not find a difference between the two. Adverse effects of photocoagulation on vision were evident in the posttreatment period, but less extensive photocoagulation produces less damage. It is concluded that, as long as the patient can be monitored, patients with mild to moderate retinopathy should not be treated with photocoagulation, but treatment should not be delayed for patients at high risk. Limited treatment should be considered when the macula (a part of the cornea) is at risk. Regular examinations by an ophthalmologist to ensure early detection and treatment of diabetic retinopathy is the best method of preserving good eyesight. (Consumer Summary produced by Reliance Medical Information, Inc.)

Author: Ferris, Frederick L., III
Publisher: American Medical Association
Publication Name: JAMA, The Journal of the American Medical Association
Subject: Health
ISSN: 0098-7484
Year: 1991
Light coagulation, Photocoagulation

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Management of diabetic retinopathy: a systematic review

Article Abstract:

A study to review the best evidence for primary and secondary intervention in the management of diabetic retinopathy (DR) was conducted. Results conclude that tight glycemic and blood pressure control remains the primary preventor of DR.

Author: Mohamed, Quresh, Gillies, Mark C., Wong, Tien Y.
Publisher: American Medical Association
Publication Name: JAMA, The Journal of the American Medical Association
Subject: Health
ISSN: 0098-7484
Year: 2007
Control, Blood pressure, Clinical report

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Antioxidants and zinc to prevent progression of age-related macular degeneration. (ABSTRACTS AND COMMENTARY)

Article Abstract:

Antioxidant vitamins such as vitamin C and E combined with the mineral zinc can slow the progression of aged-related macular degeneration. However, the same combination of nutrients does not appear to slow the progression of cataract.

Author: Jampol, Lee M., Ferris, Frederick L., III
Publisher: American Medical Association
Publication Name: JAMA, The Journal of the American Medical Association
Subject: Health
ISSN: 0098-7484
Year: 2001
Prevention, Cataract, Antioxidants, Antioxidants (Nutrients), Retinal degeneration, Cataracts, Zinc

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Subjects list: Health aspects, Care and treatment, Diabetic retinopathy
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