Pine Bark Extract May Aid
Diabetic Eyesight
DECEMBER 2009�Pycnogenol, an extract taken from bark of the French maritime pine, has helped people with diabetes see more clearly in a new study.
Italian researchers divided 46 diabetics into two groups. Members of one group received 150 mg of Pycnogenol, while those in the other group received a placebo. All the volunteers had early diabetic retinopathy, a condition in which capillaries leak blood into the retina, which causes swelling.
After two months, 75% of the Pycnogenol group reported clearer vision, going from 14/20 to 17/20; the placebo group showed no improvement. The researchers thought that Pycnogenol was able to dilate blood vessels within the eye, increasing blood flow. The study was reported in the Journal of Ocular Pharmacology and Therapeutics (11/16/09 online).
Roughly 45% of all Americans with diabetes suffer from some stage of diabetic retinopathy, according to the National Institutes of Health. The condition causes as many as 24,000 people to go blind each year.
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