Dark green lenses absorb heat, bring cool feeling, but lower light transmission and clarity, when the sun is suitable to wear, not wear while driving. Blue lenses can play in sun sea beach blue lenses; can effectively filter out the blue sea and sky reflected light blue. Driving should avoid using blue lenses, because it will make us a confusion traffic signal colors. Human self-preservation instinct, his eyes encountered light, the pupil will naturally become smaller, making the reduction of UV energy entering the eye, once put on glasses without UV protection function, make dilated pupils, plus Tiffany and Co Charm Bracelet Jewelry Outlet glasses no effect of UV rays, then the door wide open eyes equals, despite the UV into the eye injury can be imagined.
Sunglasses can block UV rays, because the lenses add a layer of special coating, which not only inferior sunglasses can block UV rays, but also to a serious decline in the lens transmittance, making the pupil larger, but will be a substantial injection of UV, making eye by loss. In addition, poor quality lenses also make nausea, forgetfulness, insomnia and other symptoms of visual fatigue. Tiffany and Co Necklace Jewelry Outlet Store Sunglasses color to light gray, brown or smoke color is superior, followed by green, amber, blue, red, and use only as the sun or snow. Car is best to use polarized sunglasses, because they can decrease glare. If you wear sunglasses, others can very clearly see your eyes, and then your lens color is too shallow. When the sun goes down, it is best to remove the sun glasses; otherwise, we are affected vision in low light areas will.
Should go to regular optical shop choose the regular manufacturers have to get sunglasses with UV protection. Note that the lens surface conditions selected. To buy quality sunglasses, the only way to do that is to the optical specialty stores, regular optical shop to buy Fake Oakleys Frogskins Sunglasses Cheap for Sale sunglasses. Will sunglasses as part of their product line. Depending on the characteristics and brand sunglasses price will float. The market there will be counterfeit. At discount stores and flea markets when shopping, you will find vendors who sell counterfeit high-priced counterfeit brand sunglasses, looks exactly the same appearance, but the prices are far lower than the real thing.
The biggest problem is that cheap sunglasses lens production methods. They are simply a layer of colored film on ordinary plastic coated. Even if these counterfeit colors and frame similar to Oakley, but the actual lens is different. Quality sunglasses are very efficient light regulator. Cheap Mac Cosmetics Makeup wholesale Outlet Sunglasses can adjust the external light, making it suitable for the human eye. In the next section, we will introduce a variety of techniques to adjust the light used by the manufacturer of sunglasses. To better understand these technologies, we must first understand some knowledge about light. Size of the wave is measured in the wavelength. The energy of light is inversely proportional to the wavelength, the shorter the wavelength, the higher the energy. In visible light, violet maximum energy, minimum energy red, and in the visible light spectrum is ultraviolet.