Bifocal lens and multifocal lens are both used for the reading glasses

When ordinary cubuying a pair of sunglasses

So, the core difference between the polarized sunglasses and non-polarized sunglasses is "wheather they have the ability to eliminate polarized glare", this is decide the essential differences in optical performance, applicable scenarios and protective effects directly. We will compare their differences from 6 main aspects. If you have a need for polarized lenses like driving, skiing activities and snow field activities, please use polarized sunglasses to protect your eyes and make the sight clear. If you just want to hang out in the city, please choose high performance-to-price non-polarized lens of sunglasses, it meets the daily shading needs, more fashionable and easy to match your outfit or avoid the interference of LCD screens.