Superfoods for your eyes are highest in vitamin A and/or lutein and zeaxanthin. Research shows inadequate intake of vitamin A can lead to night blindness, poor vision in dim light and possibly age-related macular degeneration. Lutein and zeaxanthin are carotenoids believed to filter high-energy light waves which may cause free radical damage to the eyes. In addition, studies show these phytonutrients may reduce the risk of cataracts and age-related macular degeneration - a leading cause of blindness among the elderly.
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