Your eyes need care when going out to play, so buy a good pair of cheap oakleys sunglasses is essential. UV is the importance of sunglasses, choose standard. Select another style, style sunglasses standard dress up. Retro prevalence in recent years, and added a different small details, chic elbow designed sunglasses to enhance the charm of indices in order to satisfy the needs of different taste fashion.
The assortment of sunglasses, will let you pick the eye? Choose a suitable pair of personality styles of glasses, whether it's vintage, traditional, bold, sweet, or a casual, professional sports? Seems difficult to choose, only professional traders can make people trust.
A lot of people think, put on a pair of tinted glasses block the sunshine, you can protect your eyes. In fact, the shade of the color of the lens, can affect the performance of visible light absorption, and may not be able to protect the eyes. Combined with many years of experience we recommend that you purchase the sunglasses should pay attention to the following health misunderstanding.
Figure 1, buy sunglasses, not only beautiful and trifles, the ideal sunglasses block at least 96% per cent of UV radiation is useful. Lens color is not to block UV rays, color affects only the visible light absorption properties. Moreover, wear a colored lens, pupil will enlarge, poor-quality oakley sunglasses cheap are not clear and unable to resist ultraviolet rays, people's eyes if you frequently exposed to UV radiation, light, conjunctival hyperemia, inflammation; to and it would become crystal turbid, cataract, retinal and ocular fundus will also hurt to varying degrees. Not only due to play a protective effect, may also increase sun damage to the eyes. Recommended that you choose a pair of reputable brand sunglasses to ensure that blocking a certain amount of UV rays.
2, choice of lens color shades, depending on the activity you want depending on the place, for different light source and occasion, lens color affects the shading effects. To effectively block summer light sunglasses, color should have enough depth, bike or car, do not select lens color is too dark, the contrast so as not to affect the environment, causing a Visual tension and fatigue.
3, buy sunglasses to wear to try any feeling of dizziness and headaches. Sunglasses and hand, leg lamp mirror, mirror reflective smooth scrolling, if found congregate every year the specular light to appear wavy, distorted, proof lenses unevenness, this mirror will strain your eyes.
4, daily life, there are too many light sources can have harmful rays, Polarized Sunglasses because the function with partial polarization of light, effectively blocking harmful light, so will be blocking out harmful light does not affect the visible light through. General sunglasses just used light reduction function, because lenses generally cannot change the direction of light, only reduce intensity of the light transmittance, ultraviolet light, and is not fully block harmful rays, so its function is to reduce damage to the eyes. Polarized lenses cheap oakleys is by reason of its polarizing nature, so can block due to scattering, inflection, reflection and other factors caused by the harsh glare. As well as UV light can be harmful to the human eye blocks, our long-term activities under strong light, eyes are not easily tired, real protection function, and we can see things more clearly, stereo, it is ideal for outdoor work activities often friends.
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