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PRADA sunglasses -the clearest introduction about protecting eyes.

Posted Mar 27 2013 5:36am

 Many people choose wearing sunglasses in summer,especially some famous brands likegucci sunglassesand Prada sunglasses.

  Common designer sunglsses offer protection against excessive exposure to light, including its visible and invisible components.

   More recently, high-energy visible light (HEV) has been implicated as a cause of age-related macular degeneration; before, debates had already existed as to whether "blue blocking" or amber tinted lenses may have a protective effect.Mens Prada sunglasses like mens gucci sunglasses are good at protecting sun. The most widespread protection is against ultraviolet radiation, which can cause short-term and long-term ocular problems such as photokeratitis, snow blindness, cataracts, pterygium, and various forms of eye cancer. Medical experts advise the public on the importance of wearing sunglasses to protect the eyes from UV; for adequate protection, experts recommend sunglasses that reflect or filter out 99-100 % of UVA and UVB light, with wavelengths up to 400 nm. Sunglasses which meet this requirement are often labeled as "UV400." This is slightly more protection than the widely used standard of the European Union (see below ), which requires that 95 % of the radiation up to only 380 nm must be reflected or filtered out. Sunglasses are not sufficient to protect the eyes against permanent harm from looking directly at the Sun, even during a solar eclipse.

  So,protecting your eyes in summer is unavoidable.The PRADA  eyeglasses manufacturer  has promoted new sunglasses to meet people's needs like gucci sunglasses for ladies and men.On the one hand,they can protect your eyes greatly ,on the other hand,they are fashion and beautiful.We do believe you will choose PRADA.

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