What are polarized sunglasses? Should you choose them over non-polarized? This guide explains the difference and helps you decide. What are polarized sunglasses? Polarized sunglasses have a type of lens that reduces glare and reflections to your eyes. They can help with certain outdoor activities by blocking reflected light off of water, snow, and roadways. When light rays from the sun reflect off of flat surfaces, like a roadway or body of water, it creates horizon...