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. What are polarized sunglasses and how do ...

Learn more You've probably heard the term "polarized" in regard to sunglasses, but what does that really mean, and is it an important factor when choosing a pair of sunnies? I spoke with two ...

Polarized sunglasses may not be for everyone. Santini notes that certain people are sensitive to polarization. Such ...