A pair of sunglasses is a must for us to have a safe and comfortable summer since the scientists have warned us that strong sunshine and UV rays can do a lot of harm to our eyes. Sunglasses have become more and more popular among common people. But to those who have eyesight problems, wearing sunglasses to protect their eyes is unworkable because common sunglasses do not have the function of eyesight-improving. To solve the problem, some people choose to wear contact lenses first and then plus a pair of sunglasses. In this way, they can both have clear eyesight and protect the eyes from the strong rays at the same time when spending time outside. (more…)