Sunglasses are a great and inexpensive way to protect your eyes from the sun. Important in summer as well as in winter, proper sunglasses keep the UV rays from affecting your eyes and causing problems such as cataracts. The best sunglasses will protect against both UVA and UVB rays. Polarized lenses can help if you're on the water a lot since they reduce glare. Follow the links below to find WebMD's comprehensive coverage about how to choose the best pair of sunglasses and much more.