
3 Common Questions About Polarized Lenses, Answered
In 2012, 95.9 million units of plano sunglasses were sold in the United States. Plano (polarized, non-polarized) pertains to non-prescription eyeglasses and sunglasses. And if you're in search of sunglasses that provide the glare and sun protection needed for an active lifestyle, polarized sunglasses are one of the best options. Here's some more information about polarized lenses.