Are Polarized Sunglasses a Must For Protecting Your Eyes?
When exercising outside, sunglasses are a must. Personally, I can't stand to have the sun blinding my eyes. Not only that, but UV rays can cause cataracts and glaucoma. Two more reasons to slip on some shades. Last year, I bought a pair of expensive polarized sunglasses, thinking that "polarized" meant they blocked out those harmful UV rays.Unfortunately, polarized lenses act as a filter to Read more







