Knockaround Sunglasses Review: Can $20 glasses be any good?
I’m not using the glasses for anything fancy, but I did really like the polarization for the pool. Polarized vs. Non-Polarized Sunglasses Polarized sunglasses work by filtering out horizontal light waves, reducing glare from surfaces like water and roads. This makes details sharper and lessens eye strain. But sometimes, you might not need polarization, like …