How much do you know about prescription sunglasses? Perhaps, it is just a combination of two simple words for some customers, who don’t need to them very often. Actually, these special sunglasses solve the both problem of correcting vision problem and providing UV protection from the sunlight, especially at summer. So, why are they not so popular and why there so many people preferring to prepare two pairs of eyeglasses for different circumstances instead of so called prescription sunglasses? (more eyeglasses…)