Putting on the wrong lens
Some people need to buy Fake Ray Ban Sunglasses Sale
Sunglasses, after screening found that the original anti UV function was just 50%, failed to achieve the actual protection of the function from the eyes, and even the bad put on. Because wear dark eyeglasses, in the dark environment the student, let more light in to the eyes in disguise. When the function of the lens to block ultraviolet light, the damage towards the eyes is actually greater, when buying sunglasses, should be chosen as "100% UV" or even "UV400".
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depth has nothing to do with UV
Lens color colors and sunglasses has nothing to do with the actual ultraviolet shielding function, colour is mainly used as a hurdle to visible light, allow people see things in the sun "is not comfortable, blind eye", it is not the dark as you can, but can choose the color from the lenses with different environment. Exercises, especially in the fierce sunlight, it is strongly recommended to pick a dark grey, dark Cheap Ray Bans
green lenses. Car owners are advised to choose tinted lens, because the light is not too large, and the tunnel can easier adapt to the environment of the eye. To frequent outdoor or even indoor environment, Wholesale Ray Bans
can choose the actual tinted lenses.
Large zoom lens cover eyebrow light leakage