【GREAT CLARITY OF VISION】--100% UV400 protection coating,blocks 100% harmful UVA & UVB Rays. VIVIENFANG Sunglasses use 1.1 mm Polarized Lenses which offer more impact to reduce debilitating glare and light scatter,thus reducing general eye fatigue.They provide a natural vision from transmitting original colors without any modifications.
【SOME PEOPLE ARE MORE SENSITIVE TO POLARIZATION AND SOME ARE NOT】--so this could be akin to other people getting dizzy with polarized shades and some not.This isn't quality problem,it is therefore recommended that sensitive people choose NON-POLARIZED sunglasses.There is an easy ways to check if your lenses are polarized,by staring at a digital screen, like a phone or dashboard in your car, you will immediately see a rainbow over it.