When it comes to eye health, many vitamins and minerals are important. Studies show that certain nutrients may help prevent or slow the progression of eye diseases such as age-related macular degeneration and cataracts. Adding eye-healthy foods such as fish, berries, leafy vegetables and oranges to your diet is one of the best ways to improve vision, but supplements can also be helpful in some cases.
Several different antioxidants appear to reduce the risk of developing age-related macular degeneration. Vitamin C, E and zinc are among the most well-studied of these nutrients. They work together to protect the cells that make up the retina, and they can help delay the onset of AMD in people already diagnosed with it.
These antioxidants are found in a variety of foods, including green leafy vegetables, berries and citrus fruits. These are the most common ingredients in most eye supplements, but other nutrients such as lutein and zeaxanthin are also important. They are a group of pigments called carotenoids that the body turns into vitamins, including beta carotene (which your eye converts into vitamin A). Lutein and zeaxanthin absorb high-energy blue and ultraviolet light, reducing their impact on the retina.
Zinc is another essential nutrient for eye health, helping to fight the large number of free radicals that build up in the eye’s retina. Taking 40-80 mg of zinc daily, along with specific antioxidants, has been shown to slow the development of advanced AMD and to decrease visual acuity loss. Shellfish, red meat and nuts are the best sources of zinc.
B vitamins are important for eye health, particularly riboflavin (B2), thiamine (B1) and B6. They are necessary for the formation of nerve tissue and the reduction of homocysteine, an amino acid that increases the risk of long-term eye health problems, such as cataracts.
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