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Supplements for Eye Health

Save your vision

 

A diet loaded with fruits and vegetables provides much of what we need to maintain healthy eyes, but certain nutrients are really helpful. A good multivitamin/mineral supplement includes many of the essentials for eye health, including vitamins C, E, and the Bs, and minerals such as zinc, selenium, and calcium.

For people who already have an intermediate stage of age-related macular degeneration (AMD), the National Eye Institute has shown that combinations of vitamins C and E, beta-carotene, zinc, and copper may reduce the risk of additional vision loss. Some supplement formulas are designed to provide this combination, which is based on the Age-Related Eye Disease Study (AREDS).

Useful Supplements for Vision

The two carotenoids, lutein and zeaxanthin, are often paired in supplements, as they work together to filter harmful blue light and act as antioxidants in the eye. They are found naturally in the retina and have been shown to reduce the risk of AMD and cataracts.

According to the American Optometric Association, “Daily intake of lutein and zeaxanthin through diet, nutritional supplements, or fortified foods and beverages is important for the maintenance of good eye health.” The association cautions that most Western diets are low in these important nutrients, but dark green, leafy vegetables such as spinach and kale are excellent sources.

A study from earlier this year found that DHA —an omega-3 fatty acid found in fish—prevented the accumulation of a toxic molecule in the retinas of lab animals that accumulates with age and causes vision loss. Omega 3s from fish also reduce the risk of AMD, according to a recent Harvard Medical School study.

SELECTED SOURCES

“Dietary Docosahexaenoic Acid Supplementation Prevents Age-related Functional Losses . . . in the Retina” by B. Dornstauder et al., Invest Opthalmol Vis Sci, 4/24/12

 “Dietary n-3 Fatty Acid and Fish Intake and Incident Age-related Macular Degeneration in Women” by W. G. Christen et al., Arch Ophthalmol, 7/11

“Lutein and Zeaxanthin,” American Optometric Association, www.aoa.org

“Lutein and Zeaxanthin Supplementation Reduces H202-induced Oxidative Damage in Human Lens Epithelial Cells” by S. Gao et al., Mol Vis, 12/7/11

“Macular Xanthophylls and Their Effects on Vision and Cognition” by Rachel Leah Blumenthal, www.nutraingredients-usa.com, 3/21/11

“Supplements for Vision and Healthy Eyes,” www.webmd.com, 10/30/11

 

 

 

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