4, buy sunglasses should pay attention to?

The latest research shows that, Ray Ban Outlet sunglasses styles there is a big difference in the ability to effectively block the glare stimulation. In simple terms, the only kind of similar to (frame goggles, sunglasses can completely over the eyes) to be truly effective to block the glare. Common Collection sunglasses, especially compact, stylish, summer out when the sunlight is irradiated from various different angles over the reflector is formed in the front and back surfaces of the lens, the reflected light is refracted into the wearer's eye, caused by the damage could be worse.

5, sunglasses are not the same in the driver's mirror, especially to remind consumers that are not equal to the driver's mirror sunglasses. The driver's mirror is divided into daily and night-to-use; it should be able to identify the different colors of the characteristics of the traffic signal. For those sunglasses of a mirror dual-use, it should be with the obvious warning signs that can be used as a daily driver mirror or night with the driver's mirror. The driver mirror at night with special requirements, it needs to not only block the glare or dazzling glare of the night, but also have sufficient transmittance (> 75%) in the visible range, in order to clearly identify the road and pedestrian goals. Currently on the market a considerable number of the driver's mirror transmittance in the visible region is relatively low, wearing glasses to drive at night, if in case of emergency, accident because of discrimination glasses.

Cheap Ray Ban Sunglasses in the market, there are those issues? Consumers the choice of sunglasses, in addition to pay attention to style, should consider the quality of sunglasses. A qualified sunglasses should be able to block ultraviolet through long-wave ultraviolet UVA transmittance control within tolerance, and to enhanced ultraviolet UVB part by not through. Wear sunglasses can bring out the cornea, lens and retina of the eye to UV rays. The sunglasses are plain mirror series. That is, Cheap Ray Bans sunglasses up to only allow the with 0.08d diaper, more than this error is deemed unqualified.

7, fake sunglasses would cause those threats to consumers? According to market research shows there are still more than 30% of the sunglasses with high diaper. Some sunglasses with the larger prism (i.e.: oblique light), the normal vision consumers to wear such a degree or larger prism sunglasses, is equivalent to wearing a pair of myopia or oblique light microscopy, a after the summer has become a real refractive error patients.

In short, involves expertise many of the sunglasses.