Vision Articles

A look at corrective eye surgery

After age 40, everyone begins to experience some form of presbyopia, a condition that makes it more difficult to see up close and leads to the need for reading glasses or bifocals. Some surgical procedures can correct fading eyesight and help men escape their dependence on eyewear.  More »

Dietary nitrate may lower risk of glaucoma

Eating 10 servings of green leafy vegetables per week, or about 1.5 cups per day, may lower a person’s risk for primary open-angle glaucoma by 20% to 30%. These foods are rich in nitrate, which can help reduce eye pressure and improve blood flow to the optic nerve. More »

Shopping for sunglasses

People should wear sunglasses whenever they go outdoors. The ideal sunglasses can be inexpensive, but should provide at least 99% protection from ultraviolet radiation, have large wraparound lenses, and be polarized to reduce glare. (Locked) More »

What's the latest in cataract surgery?

Cataract surgery is considered routine. It involves replacing the eye’s cloudy lens with a new artificial lens. Advances in technology include the use of lasers and 3D imaging, and intraoperative wavefront aberrometry, which measures the total refractive error of the eye. Medicare does not yet cover the costs of most of advanced cataract surgery technologies. Complications such as severe vision loss, bleeding, and infection are rare. Studies on animals have suggested that someday it may be possible to prevent and reverse cataracts with eye drops. (Locked) More »

Cheap reading glasses: Helpful or harmful?

Inexpensive magnifying reading glasses are fine for some people, but only after a professional eye examination indicates that they are appropriate. People who have astigmatism or need a different correction for each eye require prescription lenses. (Locked) More »

Is it a health problem, or is it just aging?

It's important for people not to assume that physical changes in older years are simply occurring because of age. Some conditions, such as vision or hearing impairment, may indicate a more serious underlying health problem. (Locked) More »

Vitamins and vision loss

Dietary supplements promise to protect vision, but this only works for people who already have age-related macular degeneration (AMD), the leading cause of vision loss in older people. For people with family history of AMD, eating a heart-healthy diet may help support vision and definitely delivers general health benefits. (Locked) More »