Many Superfoods Can Also Improve Eye Function
It should come as no surprise that many of the the foods identified in recent years as “Superfoods” can add “improved eye health” to their long lists of benefits when eaten as part of a healthy diet. Leafy greens, for example, contain antioxidants that may help decrease your risk of age-related macular degeneration, the leading cause of visual impairment in adults over 50. And along with citrus and berries, leafy greens are also a great source of vitamin C, protects our immune and cardiovascular systems, and been shown to lower the incidence of cataracts by as much as 64%.
Species of fish such as salmon, anchovies and trout are rich in the famous omega-3 fatty acids, which do everything from lower blood pressure to alleviate depression. But one of these omegas in particular, DHA, is a primary structural component of your retina, the light sensitive layer of tissue lining the inner surface of the eye. Studies have shown that a DHA deficiency in the eye can contribute to chronic dry eye syndrome, a painful condition that results in uncomfortable itching, redness and blurred vision.
And yes, the old saw about carrots being good for your eyes is very true. Beta-carotene, the red-orange pigment that gives carrots and squashes their vibrant color, also helps the human body produce the vitamin A that’s necessary to make low-light and color vision possible.