The intrinsic quality of the lens must identify the basic skills
1) the degree of lens should meet the requirements for plain Tiffany and Co Key Necklace Jewelry Outlet lenses, and should not affect vision optical flaws. Identification method is simple, can be placed in front of sunglasses, observe distant targets through the lens, such as window frames or door frames, etc., then the glasses before moving up and down, the target should not be swinging and wavy deformation.
2) The color of the lens can not be partial, should be the color of the surrounding environment without distortion, sharp edges of objects have the ability to effectively identify different color lights. Lens color depth selection, because depending on the place and the activities needed to be, and occasions for different light sources, will affect the color of the lens shading effect. For sunglasses can effectively block the summer strong light, color glasses because there is enough depth, but ride or drive, do not choose too dark lenses.
Susceptible to improper eye wear sunglasses, cloudy and there is no need to wear sunglasses indoors. Some people, regardless of the occasion, regardless of sunlight intensity, even in the twilight, in the evening and watch a movie, also wearing Cheap Oakleys Frogskins Sunglasses Outlet sunglasses television, which will inevitably increase the burden of adjusting the eye, causing muscle tension and fatigue, vision loss, visual blurring, and in severe dizziness, can not be long as the other symptoms.
body has 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, mydriasis, plus this glasses do not isolate the role of ultraviolet light, 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 damaged. In addition, poor quality lenses also make nausea, forgetfulness, insomnia and other symptoms of visual fatigue.
Fake Oakleys Frogskins Sunglasses Cheap for Sale Sunglasses color to light gray, brown or smoke color is superior, followed by green, amber, blue, red, use only as the sun or snow.