Cheap sunglasses are everywhere. They are a popular free gift from companies that want to appear trendy, and they are on sale at every shop anywhere near a beach, as well as anywhere else that people often go in summer (theme parks, for example). But you should be very, very cautious of cheap sunglasses, because even though it feels like theyâre helping to keep the sun out of your eyes, they can actually do more harm than good. The problem is that cheap sunglasses donât protect against ultraviolet rays, the rays that can cause problems like eye cancer and cataracts. Instead, they fool your eyes into thinking that itâs dark when itâs actually not, which causes the pupils of your eyes to widen, letting in far more UV rays than they normally would. This massivel View the rest of this article
Friday, October 5, 2007
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