In winter, we are looking forward to the warm sunshine. Sunny days make us happy and comfortable. Have you ever considered wearing a pair of prescription sunglasses in the winter? I think many people do not understand why such a device is important to our eyes especially when we have to go outside to do some outdoor activities in winter. Actually, our eyes are sensitive to sunshine and too much sunshine will do harm to this delicate organ. That is why we should pay attention to the protection of eyes with special care. (more glasses…)