How to choose a pair of shades that will actually protect your eyes from ultraviolet radiation.
When most people think about sun-related damage, they probably worry about their skin. But the sun’s ultraviolet rays also pose a threat to a person’s eyes.
“When you don’t wear protection, ultraviolet radiation you cannot see is penetrating the eye, and the eye structures are very sensitive to it,” says Dr. Rebecca Taylor, a Nashville-based ophthalmologist and a clinical spokesperson for the American Academy of Ophthalmology. The back of the eye, called the retina, has a delicate central area known as the macula. “If you put a target in the center of the retina right behind the pupil, the macula would be the bull’s-eye,” Taylor explains.
The risks of sun-related eye damage are greater at certain times of the day and in certain settings. Water, snow and car windshields can reflect light into the eyes, and spending time on a boat, around snow, or in a vehicle on a sunny day “is like getting a double dose of ultraviolet light,” says Dr. C. Stephen Foster, a professor of ophthalmology at Harvard Medical School. “You’re getting the direct exposure from the sun and a second exposure from the reflected light.
Price doesn’t necessarily matter; even inexpensive sunglasses can get the job done—just look for a sticker or tag advertising UV protection. “Also, polarization has nothing to do with UV protection,” Taylor says.
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