Fitover sunglasses can be used directly outside the reading glasses or outside the glasses, used to block all kinds of light that is harmful to glasses. At present, our company has three types of products: polarized sunglasses, night vision sunglasses and anti-blue sunglasses. Polarized sunglasses can be used for most outdoor activities to block glare and reflected light. Night vision sunglasses are mainly used for night driving or fishing. Anti-blue glasses are used to block blue light, etc. Different models of glasses are not the same size, so please measure the glasses you wear before buying, choose the right size glasses.