Thursday, June 20, 2013

Older Adults Ignoring Nutrients in Daily Diet that Support Eye Health, Says Study

A recent review published as an Expert Opinion in the Journal of Clinical Interventions in Aging outlines the link between specific nutrients and eye health. But the review, funded by a grant from Bausch + Lomb, also found that many Americans over age 50 don’t consume enough of these nutrients in their daily diet to support their eye health. That’s according to a B+L spokesperson.

Elizabeth Johnson, Ph.D., a nutrition researcher at Tufts University, and Helen Rasmussen, Ph.D., R.D., an adjunct faculty member at Lesley University, and authors of this review of published literature, focused on the antioxidants vitamins C and E, lutein, zeaxanthin, zinc and the omega-3 fatty acids eicosahexaenoic acid (EPA) and docosahexaenoic acid (DHA) as important nutrients that can potentially help protect eye health as people age.

“Many adults don’t think about their eye health or sight until it’s too late to reverse the damage their eyes may have sustained,” said Dr. Johnson.  “Our review shows that incorporating proper nutrition into the diet can help adults protect their eye health. It’s a small step that can go a long way.”

The review is said to have highlighted data from the most recent NHANES (National Health and Nutrition Examination Survey) which indicates that most Americans fall below the optimal intake of these specific nutrients. Further, according to a recent survey conducted by the Ocular Nutrition Society, 78 percent of adults, ages 45-65, rank vision as the most important of their five senses, yet less than half are aware of important nutrients that may play a key role in eye health. Specifically, survey respondents were unaware of the specific nutrients, including omega-3 fatty acids (almost 60 percent), lutein (66 percent) and zeaxanthin (nearly 90 percent). Diet is the best way to get these specific nutrients, but for adults who don’t get the nutrients needed through diet alone, nutritional supplementation is warranted.

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