Major studies, like the Blue Mountains Eye Study and the Age-Related Eye Disease Study, have shown positive results in preventing eye problems. The Blue Mountains study looked at intakes of Vitamin C, or a combination of antioxidants, in protecting eyes. The Age-Related Eye Disease Study linked diets rich in lutein and zeaxanthin with decreased prevalence of problems.
Vitamins C, E, A, lutein, and zeaxanthin are strong antioxidants. They protect the eyes from free radicals which cause oxidative damage. Eventually, free radical damage can lead to a variety of health problems.
The assumption is that by strengthening the eye defenses with foods rich in these antioxidants one could help promote eye health.
There are numerous food sources for antioxidants, including citrus fruits for Vitamin C, nuts and seeds for Vitamin E, and carrots and sweet potatoes for beta-carotene. Foods high in lutein and zeaxanthin have yellow or green pigments, such as dark-green leafy vegetables and corn. A superfood high in Vitamins C, E, beta-carotene, and lutein is Chlorella, a single-cell, fresh water green algae.
"No matter what your age, it's never too soon to start taking proactive measures in the area of nutrition to help maintain good eyesight for life," says Warren Harvard Low, O.D.
Sharon Palmer, "Nutritional look at Eyes", 1/16/09, http://www.foodproductdesign.com The Eye Digest, University of Illinois Eye & Ear Infirmary, http://www.agingeye.net/visionbasics/nutritionandvision.php
SOURCE Sun Chlorella USA
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