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Healthy vision is one of our most treasured senses. However, many of us take it for granted until it begins to fail. As with your overall physical health, vision health benefits from proper nutrition, regular exercise, and vitamin supplements. Here are my recommendations to promote and maintain healthy vision: Foods Eat foods rich in essential carotenes (in particular lutein and lycopene), flavonoids, the amino acid glutathione and other nutrients found in natural foods (see Dr. Williams' "Whey Cool Protein Shake" recipe, a great source of glutathione). Among other things, these nutrients support flexible lenses and the health of the retinal area. Such foods include:
Fruits and vegetables also help subdue oxygen free radicals. Long-term free radical damage is now recognized as the greatest contributor there is to age-related health problems. The best fruit sources for protecting eyes from free radical damage are prunes, raisins and blueberries. For vegetables, it's kale, raw spinach and Brussels sprouts. Food allergies can affect healthy vision Studies show that increased intraocular pressure may be triggered by food allergies. To check for allergens that you may be sensitive to, click here. Limit your intake of sugar Studies show that simple sugars like D-glucose, D-galactose, and so on, move from the fluid in the eyes into the lens, impairing healthy vision. Read food labels and make sure sucrose, dextrose, fructose, maltose, lactose and other sugars are not listed among the first four or five ingredients. Especially steer clear of corn syrup, a high-fructose sugar. Vitamins and Minerals Glutathione transports the minerals calcium, potassium and sodium in and out of the lens, protects certain proteins from oxidizing, and slows the breakdown of DNA within the lens. Low levels of glutathione lead to hardened, inflexible lens. You can increase your glutathione level by taking either glutathione tripeptide (500 mg a day) or a precursor of glutathione, N-acetylcysteine (500 to 600 mg a day). To enhance glutathione's effectiveness, take a multivitamin/mineral supplement containing selenium (which is necessary for glutathione to work properly), and at least 1,000 mg of vitamin C (which helps to "recycle" glutathione). As far as your diet goes, increase your intake of glutathione-rich cruciferous vegetables, such as Brussels sprouts, cauliflower, broccoli, cabbage, kale, bok choy, cress, mustard, horseradish, turnips, rutabagas and kohlrabi. Supplement your diet with the following:
Avoid aspirin Minimize your intake of aspirin. Aspirin reduces the blood's ability to clot. If small blood vessels hemorrhage in the retinal area, aspirin inhibits the body's ability to stop the leak and damages your vision. Exercise Taking a vigorous walk for at least a half hour can temporarily reduce discomfort and pressure in the eyes. |
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