Summer, in the bright sunlight, people are put on different colors of cheap oakleys sunglasses. But experts have warned the public eye, do not just pretending to be cool, but also to care for their eyes.Yesterday, four due to improper or poor selection of sunglasses wearing sunglasses eye caused by ultraviolet burns patients received treatment in Eye ENT Hospital of University and the New Vision Eye Hospital.Wear sunglasses without UV protection function better than not wearing eye injury, but this was not enough public awareness, understanding of sunglasses, there are still a lot of misunderstanding.Colored glasses does not mean sunglassesRed, yellow, purple, green is the sunglasses do? In the past, the main color with dark brown sunglasses and dark blue, and this year, the market appeared colorful colored glasses, some people think that sunglasses tinted glasses, but especially cool to wear, so have chosen to jump on the bandwagon. In fact, this is a misunderstanding.Experiments show that, because of the color of different colored glasses, the eye itself does have a protective effect, but because of itself cannot block UV rays, they lost the function of sunglasses.If you do not wear a UV feature tinted glasses, is more dangerous than not wearing sunglasses, because the human body has a self-preservation instinct, eye encounter light, the pupil will naturally become smaller, so less energy ultraviolet light entering the eye, once wear glasses without UV protection function, make dilated pupils, plus the glasses do not isolate the role of ultraviolet light, when the eye is equal to the door wide open, despite the UV-invasive, and greatly increased energy, damage to the eyes can be thought of conceivable.Inferior sunglasses against bigWas able to block UV sunglasses, because the lenses add a layer of special coating. After coating the lens, the blocking, UV absorbing, but also useful for blocking a portion of the light transmittance of the lens decreased. Generally of good quality sunglasses, UV-blocking ability, transmittance decreased and small, does not affect the general visual clarity, and lens coating has a certain hardness, surface easy to wear.Quality sunglasses is completely different, not only block UV performance is not strong, the film easily damaged, and a serious decline in the lens transmittance eyes as if seen in the dark matter, then the pupil becomes large, the remnants of a large number of incident UV but will the eye, the eye damage. Furthermore irregular surface of the lens, see external objects deformed distorted, making eye soreness, the gradual emergence of nausea, loss of appetite, forgetfulness, insomnia and other symptoms of visual fatigue.In view of this, the public in the purchase of discount oakley sunglasses, according to whether the clear vision to make judgments. For the general public, to buy high-quality sunglasses, the only way to do that is to the optical specialty stores, regular optical shop to buy sunglasses.