If you buy something through my links, I may earn a commission. Sunglasses are an accessory you can wear all year round, ...

But what, exactly, are polarized sunglasses? What are they for and why do they cost so much? We called up a few eyewear experts for a definitive answer. Simply put, polarized lenses filter light ...

UV rays can cause visual damage and hinder life enjoyment. Sunglasses serve aesthetic, social, and psychological functions.