Low-quality sunglasses are translucent poor, uneven coating and easily damaged, irregular surface of the lens, visual distortions deformation, difficult to play the role of UV. Different people will use depending on the preferences or to select the sunglasses, but the basic principle is that wearing Tiffany and Co Charm Bracelet Jewelry Outlet glasses can damage the eyes, meanwhile, should have to reduce glare stimulation, visual clarity without distortion, anti-UV, no distortion of color recognition, accurately identify the traffic signals and other basic functions. When people wear bad glasses, the light dims, the human pupil will enlarge, making eye fatigue and soreness to produce, easy to induce acute angle-closure glaucoma attack, and gradually nausea, dizziness and other symptoms. At the same time, will lead to more ultraviolet light into the eye, there is the risk of cataracts, retinal light damage and other diseases.
Choose sunglasses; be sure to choose the regular manufacturers of products, must not freeloaders. For people suffering from glaucoma or suspected glaucoma, you should not wear sunglasses; children are not easy for a long time to wear sunglasses. Not only can be used to play it cool, but you can use it for shading from the surface, so that you can look into everything. At the same time it is a way to block the Tiffany and Co Necklace Jewelry Outlet Store glasses. Sunglasses also known as sunglasses, it is eye protection insurance products in bright light. Wearing such lenses can block ultraviolet and infrared, while the external environment does not change color, only the light intensity change, it seems cloudy, and has a cool and comfortable feeling. Strong sunlight contains large amounts of ultraviolet and infrared, may damage the cornea of the eye, lens, and even the eyes, wearing a pair of sunglasses that can block or absorb part of the light, reducing eye irritation. In recent years, because we focus on the health of many people in the hot summer months when they go out, like to wear sunglasses to reduce the stimulation of the sun, some people also like to use it as decoration, many types of sunglasses, should be based on different need to choose.
Adding different colored glass compound, made of different colors of sunglasses, they absorb wavelengths of light are not the same. Fake Oakleys Frogskins Sunglasses Cheap for Sale Sunglasses are coated with a layer of metal coating film on the glass lenses, lens reflex rely on sunlight to protect the eyes. Color glasses indoors is usually colorless, transparent, and exposure to the sun, quickly turned into gray or other colors. The color of the glasses can automatically darken or lighten with the strength of the sun. This is because the mirror of adding a small amount of silver halide film as a photosensitive agent, trace copper as sensitizer sake. This automatically adjusts the brightness of the lens, can be made with prescription wear corrective lenses, suitable for use in patients with myopia and hyperopic. Unfortunately, it can not exceed the degree of refractive error, since then a large degree, differences between center and edge thickness, glasses differ greatly the color shades.
Plastic lenses coated with a certain color, anti-ultraviolet radiation, but the anti-infrared poor performance. From the perspective of cool, it is better to glass lenses, summer wear inappropriate. Crystal lens can not block infrared and ultraviolet light. Color performance is not as crystal lens glass lenses. Some say crystal lens does not hurt the eyes, keep a cool head, which is unfounded. Long-term human life in the sun, the eyes have adapted to the surrounding environment, the daily lives without protection. Often work outdoors, wear a pair of Cheap Mac Cosmetics Makeup wholesale Outlet sunglasses is beneficial, but should be selected according to the nature of the work environment. The sunglasses as decorations, place regardless of the occasion, such as at dusk or at night, or report to the party, still wearing sunglasses, not only uncivilized manners, but also increase the burden on the eyes, but not conducive to eye health. The Industrial Revolution has begun, glass manufacturing and precision metal machining maturing. Then eyewear manufacturer mainly small workshop, hand-made, but also marked with the manufacturer's name on each glasses. Many of these small workshops in the house later became a manufacturer of precision instruments and watches manufacturers. Then glasses have become the new darling of high society, tuxedo, Secretary Dick and pince-nez is a decent enough standard dressed gentleman.