They have been accessories of the famous and rich, Secret Service agents, cool dudes and even saxophone-playing presidential candidates.
protection. Many low-cost sunglasses work just fine, medical experts and industry representatives say.
In fact, for those wearing prescription eyeglasses, there's a good chance their clear lenses -- especially if they are plastic -- are screening out most of UV.
Contact lenses also filter out a substantial amount of UV light, but because they cover only the cornea, contact-lens wearers should consider sunglasses, especially for comfort, said Thomas Loomis, technical director of the Sunglass Association of America in Norwalk, Conn.