In regards to lenses, glass tends to be improved for scratch resistance, however it could possibly get large—Which explains why most sunglasses use lenses product of some form of plastic, e.g. nylon. Superior sunglasses mustn't only present shade in your eyes, they should also offer UVA and UVB protection. Regardless https://sunglassesonlinestore.com/product-category/polarized-sunglasses/page/4/