Transitions has been a leader in the manufacturing of the plastic lens popularize adsorption process. The purpose is to wear sunglasses to protect the eyes, without glare or harmful UV invisible stimuli. So choose what kind of Tiffany and Co Charm Bracelet Jewelry Outlet sunglasses is good? When buying sunglasses, some of the firm should be used first, Lens color to gray or smoke-colored as well, they cause minimal color distortion, the best sense of color, followed by green or brown. Yellow, red, blue or purple, etc., because they are poor sense of color, especially on the identification of traffic lights, accident prone, it is best not to choose. Frame should use solid plastic or metal, while wearing the ear, nose and temples department should have a comfortable feeling. Light-colored frames better, because the brightness of light generated frames may damage eyesight.
Protective lenses should best with high quality optical glass or plastic and plastic is more resistant to impact than glass, but the drawback is the surface wear. When purchasing flat mirror, we can test whether the lens against the light scratches, texture, bubbles, spots and other defects. Inspection methods are: holding a mirror at half-arm distance, the visual objects such as doors and windows with vertical and horizontal lines, moving slowly up and down, if the lines of objects fluctuations produced to show that the distortion. But vision correction lenses can not be used with this method of testing, because some distortion is used to correct vision. Also, check the color and its shades of two Tiffany and Co Necklace Jewelry Outlet Store lenses are the same. Otherwise it will affect the sense of distance, leaving the eye fatigue.
Crystal keep saying the purpose of long-standing, traditional medicine, eye Tongs hen spleen, kidney, it said the main water waterwheel. Crystal is the essence of water, which is water condensation Yuan thing, so crystal Fake Oakleys Frogskins Sunglasses Cheap for Sale glasses to kidney yin, flat head gods. Things over the years, the continuous development of science, the new theory of crystal eye injury has been known. Texture of pure crystal colorless, transparent, also called natural quartz, but the real nature rare, very expensive, and we have seen the crystal glasses are made artificial, and contains impurities due to the uneven distribution of impurities can be forming a mist or strip pattern, resulting in cross-fold scattered, poor transparency, but also to make the eyes harmful ultraviolet, infrared through, these will affect the vision, and make children prone to eye fatigue, increased development of refractive errors. So crystal glasses for children's eyes not only serve to protect the role, but harmful to the eyes of children.
From the perspective of scientific development, Crystal has become a spectacle to be eliminated material. Susceptible to improper eye wear sunglasses, cloudy, indoor light and so there is no need to wear dark sunglasses case. Some people, regardless of the occasion, regardless of sunlight intensity, even in the twilight, in the evening and watch a movie, also wearing Cheap Mac Cosmetics Makeup wholesale Outlet sunglasses television, which will inevitably increase the burden of adjusting the eye, causing muscle tension and fatigue, vision loss, visual blurring, severe dizziness and other symptoms. For the development of the visual system is not perfect babies and children should not wear sunglasses. The new part of the molecular structure will absorb visible light, which darkens the lens.