pz - polarized women sunglasses wear to cover over prescription glasses (black bx + polarized grey) pz eye care experts recommends protecting your eyes with sunglasses whenever you go outdoors, but it is not easy to do so when you have to wear prescription glasses. luckily, with cover over sunglasses, you can keep wearing your prescription glasses without worrying too much about not wearing sunglasses. with our cover over sunglasses, it can help provide 100% uv protection from the sun's harmful uv rays.with different light conditions, glares can be an issue especially for drivers, but these polarized cover over sunglasses can help reduce the glares while wearing prescription sunglasses. your eyes will say thank you for protecting them from the harmful uv rays.