Hot summer, Tiffany heart necklace jewelry outlet sunglasses are must-haves, but you know, not all s
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Hot summer, Tiffany heart necklace jewelry outlet sunglasses are must-haves, but you know, not all sunglasses have UV protection function. In the purchase of sunglasses to wear when not preoccupied with looking at the effect, look for the logo UV protection is more important.
Low-quality sunglasses will hurt the eyes
The consumer view, the strong summer sun wearing sunglasses, not only can block the glaring light, but can also protect the eyes from UV damage. The only build consumer awareness qualified to wear sunglasses. If you wear sunglasses are inferior, not only can not protect the eyes, or even cause damage to the eyes. In particular, need to be reminded that not all sunglasses have UV protection.
Under normal circumstances, the human eye will naturally encounter bright pupil becomes smaller, making the reduction of UV energy entering the eye, but if you are wearing sunglasses without UV protection function, the human eye's pupil is enlarged, resulting in a large number of UV injections, make eye damage.
Lens color is not darker the better
Many consumers buy sunglasses, lenses tend to think that the darker the better UV protection. Evening News in an interview with reporters, said, in fact, the effect of depth and UV lens color is not proportional effect is to prevent ultraviolet uv standard lens decision.
Product identification to be read
When buying Cheap Ray Bans Wayfarer 2140 Sunglasses Outlet sunglasses, product identification must be able to read. For example, anti-ultraviolet function, we must be careful when buying lenses and packaging presence "uv400" and "UV" logo identity, uv400 lens can prevent 100% UV, uv100 lenses can prevent 96-98% UV. If the motorcycle riders, drivers and other personnel wearing of safety performance sunglasses have special requirements, such as whether there is "shock resistance" and logo sunglasses on then we should pay attention to labels and instructions, generally identified with this lens the impact of the use of pc tablets and other materials, such as sunglasses, safety performance will also be greatly improved.
Lens quality can be self-test
When buying sunglasses, prescription lenses should also meet the requirements for plain lenses, and can not affect vision. Consumers can be by a simple method of identifying: placed in front of the sunglasses, observing distant objects through the lens, such as window frames or door frames, front and rear glasses and then move up and down, and the target should swing wavy deformation. In particular, need to be reminded that, no matter what kind of sunglasses to wear, the colors are not distorted.
Do not wear fancy lenses motorists
Pay attention to when buying sunglasses, usually worn properly is also important. Such as driving people to wear sunglasses, best not to choose garish colors pink, purple, blue, etc., these colors lenses only limited protective effect, there may have chromatic aberration, for car people, brown and gray glasses most appropriate.
Also need to be reminded that, after some people entered the room from the outside, still wearing sunglasses, in fact, but heavier burden of adjusting the eye. Because dark Fake oakleys frogskins sunglasses cheap for sale sunglasses easily lead to dilated pupils, advises consumers not to long-term wear, otherwise this will cause some damage to the eye.





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