The US Environmental Protection Agency and the

by:Fuqian     2020-05-24
UV rays are invisible so it is wrong to call it UV lights as we always do. Actually, the risk of getting our eyes damaged always exists at the same rate regardless of whether it is sunny, cloudy or cast day. That's why polarized sunglasses are so important to us. Polarized sunglasses are designed with polarized lenses that can help absorb 100% of UVA and UVB and most of the HEV radiations. It is also advisable to wear a hat in a hot day to protect our skin that is not covered by the polarized sunglasses. Experts say 50% (or over) of UV exposure of our lifetime is accumulated by the time when we are 18. This suggests we should be highly concerned of our children's health when they play outside. Polarized sunglasses are quite necessary for them as they spend a much larger time playing outside than we adults. There are some specially made polarized sunglasses for kids, for example rubber frames. It is designed with rubber so kids won't break them and the polycarbonate lenses offer 100% UV protection. Of course, wearing polarized sunglasses is also important for us, especially when we are doing things like driving, boating or fishing. Polarized sunglasses absorb reflected light that cause glare and haze so as to give us a clear view of what we are looking at or heading to. Only in this way we can best take control of our safety. Polarized sunglasses have enabled to live a life that is more enjoyable. Be happy to choose any cheap sunglasses online as long as they are good quality polarized lenses.
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