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Buyer beware of what sunglasses you wear

When it comes to choosing sunglasses, many people opt for fashion over functionality or conscious of their budget, opt for over-the-counter sunglasses. But not all sunglasses are the same and while it is recommended that all sunglasses block UV radiation, that's not always the case when you go to buy them. Ultraviolet (UV) radiation exposure can cause cataracts and is also thought to play a role in age-related macular degeneration so the sunglasses you wear are important. Recently, Dr. Marc Werner tested some sunglasses he bought on the streets of New York City. One pair he bought had a lighter tint and the sticker on their lenses said "UV 400 protection" but when he tested them, they only absorbed 38 percent of UV rays. Other sunglasses that he tested had a darker tint and had a reading of 99 percent absorption of UV rays. The tint of sunglasses, however, is deceiving as far as UV absorption ability.

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