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When we go outdoors, we must wear sunglasses for

by:Fuqian     2020-05-23
Sunglasses are particularly designed for us to protect eyes. On the one hand, it will reduce the amount of sunlight penetrating to our eyes- too much sunlight will cause physical and vision discomfort. Therefore, our vision will become much fresher with sunglasses. Another is harmful rays in sunlight can be blocked by sunglass wear. Almost all sunglasses we wear are coated with special coating that can do a nice job in blocking UV rays and other harmful radiations. These special light waves in the sunlight are invisible, but can lead to very serious outcomes. On the contrary, all these problems can be avoided by wearing sunglasses. In most cases, some of us who have vision errors also want to wear sunglasses. Well, there are really some prescribed sunglasses, called prescription sunglasses. These sunglass wear can be used to rectify certain vision errors and protect eyes at the same time. Or we can also enjoy many other benefits in these sunglass wear. Well, we should also remember that we are sometimes are surrounded by glares, reflected by mirror-alike objects. These harmful rays can cause glaucoma, cataracts and other serious problems. And it is needed for us to have our sunglasses polarized. Those polarized sunglasses can offer much better protection for us.
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