UV400 sunglasses brands - An Overview
Dr. Zhu notes that polarized and mirrored coatings are greatest for out of doors sports as well as a medium tint is perfect for day to day wear.Even so, it shouldn’t be assumed that each black sunglass lens is UV400 rated, as to ensure that a set of glasses to be considered UV sunglasses, lenses are only needed to block at least 75% of UV rays.To