DHA Improves Vision and Macula Edema in Diabetics
Article
The macula is an area in the center of the retina of the eye responsible for sharp, straight-ahead vision. Chronic high blood sugar levels in diabetes can damage blood vessels near the retina, allowing fluid to build up in the macula (macular edema), distorting vision.
In this study, 55 people with diabetic macular edema took 0.5 mg of ranibizumab, a medication that stops fluid leakage in the eye, once per month for the first four months, then as needed. About half the group took 1,050 mg of the omega-3 DHA per day during this time.
After three years, those taking DHA had an average 11 percent greater decrease in macular thickness, to 275 micrometers compared to 310. The DHA group also had greater improvements in visual acuity, lower long-term average blood sugar levels, higher total antioxidant capacity, and fewer signs of chronic inflammation.
Reference: Retina; February, 2018, Published Online
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