Identification of a lens is not a polarizer; use factory supplied test piece through a polarizer can filter stray light and see the peacetime can not see images. The one known polarizer and another deputy unknown level of overlap sunglasses lens, then rotate polarized sunglasses lenses and found two lens shading effect from light to dark, it shows the second polarizer deputy also. Polarized lenses are not available ultrasonic cleaning. Light, the light energy to break down into the lens of the silver halide and halogen atoms, the Cheap Oakleys Frogskins Sunglasses Sale lenses darken when the sun disappears, the lenses were silver and halogen atoms bound state, the lens color lighter. Color glasses are also affected by temperature, the temperature is high light color, dark color when cold. Due to the addition of silver halide and copper oxide have been integrated with optical glass, he color glasses can repeatedly change color, long-term use, both to protect the eyes from glare stimulation, but also play a role in vision correction. Photo chromic lenses mainly used for open-air field, snow, indoor strong light source in the workplace to prevent sunlight ultraviolet light, dazzling glow eye damage. Since the lens thickness, color different concentrations, it is recommended not to match. Convex mirror center color effect is low, not with photo chromic lenses. Staining lens - lens type and coloring effects, gray piece, gray lenses role is to be able to absorb any chromatography balanced. Wearing gray glasses scene, the scene is slightly darker, but there will be no obvious color difference, look at things feel more real and natural. Tinted lenses to filter out a lot of blue light, can improve the visual contrast and clarity, usually in foggy weather, pollution of the environment wearing effect. Green lenses absorb light the one hand, on the other to maximize the green light to reach the eye. People wearing green glasses, there will be cool and comfortable feel, play a relieve eye fatigue, eye fatigue for people to use. Blue-gray lenses and gray lenses role similar lens with a neutral, but the color than the gray piece deep, absorb more sunlight visible. Mercury lens surface of the lens mirror coating of high density. Such lenses can absorb the incident light and the incident light is reflected off, suitable for outdoor, beach, snow sports ears. Tiffany and Co Bracelet Jewelry Outlet Yellow lenses, strictly speaking, do not belong to the scope of sunglasses. Yellow lenses almost no absorption of visible light, but its advantage is that the foggy environment or dusk sky, the yellow lenses to increase contrast and provide a more accurate video, it is also known as night-vision goggles. Decorative sheet, light blue, light pink coloring and other lenses, the characteristics of the coloring material causes the sun does not absorb visible light and ultraviolet light. Therefore, these lenses is the role of decorative than practical, for fashion family. In the original glasses outside to vice sunglasses clip. However, selective small clip style, and with the original glasses wearers may not be matched, generally men and women selected clip selection contact lenses. With a set of mirrors that have an outer frame glasses, and the glasses ring -shaped sunglasses completely consistent chip set, a magnet through jam or adsorbed on the frame, remove the cover to the interior mirror is still a common myopia glasses. But such a spectacle with two glasses of weight will cause a little discomfort the wearer. Using color lenses. However, the limited scope of photo chromic lenses luminosity, when a high number of heavy thick lenses, color effect are poor. The best option is in accordance with the actual wearer luminosity dyed using resin lens wearers preferred color, made of myopia Cheap North Face Denali Jackets Sale sunglasses, sunglasses in outdoor activities, replaced the original glasses inside the home, the only inconvenience is changing to change to. Myopia sunglasses lenses to be a resin film, but the refractive index of the resin sheet with which the wearer's luminosity depends on the decision. The frame may be myopia sunglasses with light frame, it can be sunglasses. But the selection of sunglasses frames to consider the suitability of facelift lenses. Wear sunglasses precautions, one can induce acute glaucoma. Because after wearing sunglasses, reduce the visible light entering the eye, the pupil will naturally turn, causing the narrow anterior chamber angle, resulting in poor drainage of aqueous humor, a long time, easy to induce acute angle-closure glaucoma, the patient will be jealous, eye pain, headache, vision sharp decline, even accompanied by nausea, vomiting and other symptoms.
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