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Prevent scratch cover Glass is a natural anti scratched, but the vast majority of plastic are not. In order to solve this problem, the manufacturer developed a oakley series of methods in lenses coates, a transparent and strong films. This kind of film is by class drill carbon film and many substances such as crystal diamond sinter composed. Through the ionization process, in lens on the surface form a oakley gascan very thin but very wear-resisting film. Antireflection coating Sunglass is a widespread problem emerges glare, back to dazzle light is light on the back of the lens, then reflected in your eyes and of generation. Antireflection protective coating is the role of this kind of reflection lens Oakley Active Sunglasses light reduction. As with the scratch protective antireflection coating is lens, a very strong, very thin layers of membrane layer. Antireflection coating material between the refractive index between air and glass. This makes the film inside surface Oakley Dirt Bike Goggles and the intensity of the surface reflection is almost equal. When the film thickness is about a quarter wavelength, both internal Oakley Polarized Goggles and external surface from film respectively the light reflected by destructively interfere with cancel each other out, thereby minimize you see glare. Antireflection coating was coated in the refractive Oakley Lifestyle Sunglasses lenses and some sunglasses to eliminate lenses, former surface reflection light generated “hot spots”. Uv coating Some of the most serious eye diseases oakley sale pathogenic one reason is: ultraviolet light. According to different frequencies and wavelengths ultraviolet light is divided into two categories: ultraviolet A and ultraviolet B. As A kind of natural eye protection mechanism, people can absorb all the cornea eyes of ultraviolet B and most of the oakleys sunglasses ultraviolet A. However, there are still part of the ultraviolet A may reach eye lens. Long time to absorb ultraviolet A may cause cataract, small amounts of the retina corneal reach across ultraviolet A can lead to the retina macular Oakley Lifestyle Sunglasses sale degeneration, and macular degeneration is 65 years old man that the main cause of blindness. Long-term exposure to strong under ultraviolet light can cause eye cancer or light, namely the keratitis retinal burns. This usually happens in after snow in winter snow surfaces of outdoor, clear, and reflected the glare of the sun is often called XueMang. Sunglasses have a good uv Oakley Polarized Goggles sale coating, can eliminate to ultraviolet radiation, you must ensure that your sunglasses to 100 per cent two kinds of uv filter. In sunglasses labels should indicate the sunglasses can provide to what extent uv protection, and what you need is 100% protection.

When you come to indoor Sunglasses when exposed to 1962 when sunshine oakley below, color will darken sunglasses or prescription glasses called discoloration glasses. Corning company by discolouration glasses is in in the late 1960s, and the development of the Transitions company in the 1990s promotion use. The principle of discolouration lens mainly rely oakley glasses on ultraviolet a special chemical reactions. Discoloration lens contains some substance (such as silver chloride halogenating silver) or of millions of molecules. When there is no visible light is ultraviolet irradiation, these oakley uk molecules can penetrate through the artificial illuminant, and the general is visible part. But when exposed to the sun, these molecules under ultraviolet light through a chemical process will be so that their shape change. New molecular structure can absorb part of the visible oakley half jacket light, and thus make lens darken. Shape change with the molecular number ultraviolet intensity to change. When you come to indoor, leave the illuminate of ultraviolet ray, would oakley goggles happen when the chemical inverse change accordingly. Abruptly left ultraviolet irradiation, these molecules will quickly restored to its original structure, thus prescription oakley sunglasses losing absorb the light this one characteristic. Both are changes or the inverse, the whole process of the changes happened very fast speed. Corning company in the 1960s PhotoBrown and oakley fives production PhotoGrey series products, the lens is made by glass, molecular evenly distributed throughout the lens. When used in prescription glasses this way, it brings problem can become obvious, because prescription lenses the thickness of the different parts of the possible changes, slightly thicker places color can appear more a few darker. But with the increasing popularity of plastic lenses, people Oakley Polarized Sunglasses sale was developed a new method. The plastic lens through soaked in a chemical slot discoloration molecules will be absorbed to plastic lenses about 150 micron in depth. This new method to significantly better than simple coating process, in these coating process, only 5 micron discolouration molecules, so the thickness cannot provide enough molecules to make lens darken. At present, the leader of the making Transitions Oakley sport Sunglasses sale discolouration lenses have popularization and the plastic lenses adsorption process.

Polarizing From the sun of artificial light bulbs, even light oakley waves, all in all directions vibration and spread. Whether the light was spread, reflection, divergent or refraction, when light all toward one or more co-planar directions, we say it vibrates light polarization. Polarizing the process can be naturally occurring, also can be oakleys artificially stimulating. You see when each observation lake glare is a natural polarization example. The dazzle light is reflected from the lake lake not penetrated the “filters” ray, that’s why even the lake was very clear nor can see why under Oakley Polarized Sunglasses the lake objects. Polarization filters are generally through a layer of chemical film plating will in transparent plastic or glass surface is made Oakley Water Goggles up. Usually, use the molecular compound are mutually natural parallel arrangement. When will they evenly coated in the lens, these molecules formed tiny lenses that can absorb all the arrangement with the same direction of them light. Forcing you must wear sunglasses are Oakley Lifestyle Sunglasses most of the glare from level, such as the water surface and highways. When a light ray arrived at a surface, the reflected light will polarization, direction and surface Angle the same. Therefore, a FanSheDu high level surface, such as discount oakley the lake, can produce the massive level polarized light. Therefore, sunglass eclipse lens fixed within an Angle, making only vertical polarized light through lenses can be. You can pass the following method to observe this one oakley fives principle: wearing polarized sunglasses, then observe on a level surface, such as automobile engine hood. Slowly head tilt to the left or right. You will find the glare from the surface with you adjust become bright sight Angle. Before purchase, you oakley flak jacket can pass to do a simple test to identify its authenticity. Find a reflective surface, then took the sunglasses, through a lens to observe this surface. Slowly will sunglasses, 90 degrees of rotation reflected glare observe whether to reduce or Cheap Oakley Dirt Bike Goggles increase. If sunglass is polarizing sunglasses, then you will see glare for significantly less.

Dyeing lens The colour of sunglasses decided the lens can absorb spectrum lenses which parts of light. Manufacturers use different color to oakley produce specific use effect. 1, gray is a good general color, in the meanwhile, reduce brightness of its color distortion minimum. Grey lens can provide glare protection, makes it a driving and general purpose ideal choice. 2, yellow or golden lensoakley gascan can reduce blu-ray, also allows more other frequencies of light through the lens. Because blu-ray can rebound and dispersed many light, and thus be able to produce a called blue haze glare effect. In fact, yellow can eliminate spectral blue part, this oakley glasses makes all the objects appear bright and clear. This is why the XueMang sunglasses generally is yellow reasons. This kind of colour can make color perception somewhat distortion and so this kind of colour for those who need accurate sunglasses not identify the color of activities. 3, amber and brown also is very good general color. They can reduce glare effects, in addition to uv beyond, its unique molecular still can Oakley Water Goggles absorb a higher frequency of color, such as blue. Studies have shown that long-term accept nearly ultraviolet light (such as blue and purple) illuminate, is one of the pathogenic factors of cataracts. In fact, Tiger has a Blue from the special oakley minute version called Blockers, with the patent. This kind of sunglasses with yellow as can cause color distortion lens, but will increase contrast and clarity. 4, green lens can filter the part, can also cut blu-ray glare effect. In all the colors of the lens, the green lens can provide the highest contrast Oakley Polarized Sunglasses sale and maximum visual sharpness, so favorably welcome. 5, in green or blue background, purple and rosy lens can provide the best object contrast. So they are hunting and water-skiing good choice. Many sunglasses manufacturers using a process called constant density to lens dyeing. This is the most antiquated sunglasses Oakley Polarized Goggles sale manufacturing process, the whole glass or polycarbonate mixture material has the same color. And so in the process of making eyeglasses, color is in the lens inside. Will a layer of molecules absorb light in pure polycarbonate surface coating, is also a kind of dyeing methods. Give the polycarbonate lens dyeing the most Oakley Lifestyle Sunglasses sale common way is to ensconce soaked in a special liquid containing dyeing substances, such material can slowly be dyeing plastic absorption. If you want to make darker, need to extend lens soaked in the liquid of time.

Association with the relevant light Association with the relevant light, sunglasses, the following three types of light very important: Direct light - from a source direct oakley light (e.g., the sun shining straight to your eyes) of light. Too much direct light will make the details surrounding environment, but also vague will make oakley glasses you hard to focus sight. Light is often reflected light - exists in the form of the glare. Reflected light from a reflection on objects of light reflected back to the eyes. As with the direct light, strong reflected light makes it very difficult for people to perceive detail or look oakleys an object. Snow, surface, glass and white sand are good reflective surface. Diffuse light diffuse light is after rebound - towards a lot of decentralized direction of light, so it appears that the light without a specific Oakley Active Sunglasses source of light. Diffuse light a typical example of the glow over big-city. We are very difficult to determine a single light source. In no direct light source, we can still see things, this is because of diffuse light. High quality Oakley Dirt Bike Goggles sunglasses can eliminate the ultraviolet spectrum, reduce point-blank light, make people feel comfortable, also can eliminate or reduce reflected light (depending on reflecting surface). An interesting property of light is polarizing. When in some surface reflection, such as the surface of the water, light polarization. Because Oakley Polarized Sunglasses the polarized light polarized sunglasses can eliminate characteristics, from the surface of the water or similar reflective surface Oakley Snow Goggles reflected light. Specular reflection Reflective sunglasses as reflective lenses could be like a mirror. Lenses on coated with very thin reflective coatings - because this layer coating very sparse, so it is called half silver plated surface. “Half of the term” silver plated reflection of above oakley antix from lens, the number of molecular very sparse only about make lenses become opaque mirror half the number of the molecules. At the molecular level molecular evenly dispersed, reflection in the surface of the lens, forming discount oakley a layer of uniform film, but lenses only half of the area covered by this film. This half silver surfaces can reach the surface reflection about half the light, and let other directly through light. Usually, mirror coatings is gradual, paint color depth gradually change from top to bottom. It can strengthen the light from above to sunglasses, and let the resist ability more rays scored and horizontal directions from oakley flak jacket below. This means that when you’re driving, sunglasses in block out the sun light at the same time, still can let you see the dashboard. Sometimes, coating is ShuangJian change, lens upper and lower color depth, and is among the highest lens picture. The key problem is reflective sunglasses coating is easy to scrape. Obviously, now sunglasses manufacturers haven’t able to successfully in a reflective film coates scratches on the floor. Therefore, prevent scratch oakley sale layer is coated in the lens surface, and reflection film is coated in preventing the scratches layer above.

principle High quality sunglass is very effective “light stabilizer”. Sunglasses can regulate foreign light, make it suitable for the human eye. In the next section, we will introduce the sunglasses manufacturers various oakley technique. Adjust light To better understand these technology, must know something about the light of knowledge. A bunch of waves have certain electromagnetic energy. Wave to measure the size is the wavelength. The wavelength of visible light oakleys scope for 400 to 700 nano. Waves of energy and wavelength, the shorter the wavelength is inversely proportional to the higher, energy. In visible, red lights, largest minimum energy of energy in the visible spectrum, and above is oakley glasses ultraviolet light. In fact, natural light to contain a lot of ultraviolet light. Due to the high energy, uv ultraviolet radiation to your cornea and retina produce damage. What is the glare? The intensity of light brightness or unit of measure is lumen. For example, in indoor, most artificial light intensity for 400 to 600 lumen. If outside oakley minute in the sunlight, brightness will a wide range of the brightness of the float, the shade, and for 1000 lumen like highway where such a large cement for 6000 lumens brightness. The brightness of the 3,500 lumens below, we all feel very comfortable eye. When direct light or the brightness of the light when arrive 4,000 lumens eye receiving rays began to become sweaty. When sunglasses oakley we try to try to look at these very bright area, only will see a white flash, that’s glare. In order to reduce light into eyes because of massive caused discomfort, we start narrowed eyes. Once when lumens brightness reach 10,000, your oakley ski goggles eyes because receives the light overpowered and start completely filter to light. In such a strong light exposure for too long can cause damage, leading oakley goggles to temporarily or even permanent blindness. On a clear day, a big snow reflected by the brightness up to 12,000 lumens, if can no protection measures in our the situation look these light will lead to “XueMang”. Eye visible light is light can be Oakley Water Goggles Discount perceived. We see a visible light from the sun is a colorless, also looks is that we often say white light. In fact, it is by a variety of frequencies Oakley sport Sunglasses Discount of a color mixture. In visible spectrum are all within a mixture of light color is a colorless, namely white. (for detailed information, please see light principle). We have two basic ways to see color. One way is an object itself can emit certain frequencies of light, such as neon is this Oakley Snow Goggles Discount shows color; Another way is absorbed by the object and all other frequencies of light, and only reflect certain frequencies of light, or reflects various frequencies of light, the light is mixed one color of light perception, such as coated with paint such is the object shown that color. For example, must Oakley Polarized Sunglasses Discount see the yellow light, a way is object an immediate yellow frequencies of light; Another way is absorption spectrum of light, medium blue part reflected the red and green light, this part after mixing two light for yellow eye perception by.

Sunglasses lens classification Sunglasses lens kinds roughly divided into: antireflection protection lens, colored glasses, color and color polarized oakley lenses lens, lens, 5 kinds. 1. Antireflection protection lens: this lens is coated with thin magnesium fluoride to prevent light reflex, let you see things more clear and oakley gascan not affected by light interference. To test your sunglasses really adopt antireflection protective glasses, but will glasses at source, if you see purple can green reflective, that means there indeed are coated with lens preventing the reflection of the protective layer. 2. Colored glasses: also called “dyeing lens”, that oakleys is, in lens production process, plus some chemical substances, let lenses, to absorb present colour specific wavelength of light. This is the sun glasses most frequently used lens types. 3. Painted lens: this lens presents effect and colored glasses made the same, only in a different way, it is the color coated in the lens oakley half jacket surface, the most well-known is “gradually layer type colour, the color is above lenses” deepest, and then down to gradually shallow. Generally oakley frogskins have prescription sunglasses at painted way processing lens. 4. Polarizing glasses: to filter the sun shone on the water, land or on the snow equality direction dazzling ray, add in the lens of special coatings, vertical called polarizing glasses. The most suitable for outdoor sports (for example: offshore oakley clothing activities, skiing or fishing) when used. 5. Discoloration cheap oakley lens: some called “photographic lens”. Because in lens is joined on the chemical substances halogenating silver, let originally the lenses of colorless, encountered a glare, will become a colored glasses, to do protection, so it is oakley sunglasses suitable for indoor and outdoor used at the same time. market Many famous brand, such oakley antix as Nike, Timberland, Gucci and Kenneth Cole is, as part of its product line sunglasses. Many sunglasses manufacturers also on their product discount oakley characteristics and special texture whoop. According to the characteristics and the brand is different, the price will be lower than sunglasses between $20 dollars to hundreds of floating. In addition, there will also be on oakley fives market faker. At discount stores and shopping when the flea market, you will find the after-market vendors selling counterfeit high brand sunglasses faker, looks somewhat are exactly the same, but the price is far lower than the genuine article. When you purchase oakley flak jacket those really brand sunglasses and don’t choose sham, you spend a lot of money to buy is a brand, or the true essence of difference? Cheap sunglasses the biggest problem lies in making way. Lens They simply in ordinary plastic coated with color films. Even though oakley sale these imposters color and picture frame Oakley X - similar to Ban Romeos or Metal Predators, but Ray - actual lens is vastly different.

USES classification
Sunglasses the end-use can generally oakley be divided into sunshade mirror, light color sunglasses and special purpose sunglasses three types.
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The so-called sunshade oakley glasses mirror, just as its name implies is used for sunshade, people usually in the sunshine on adjusting pupillary size to adjust the flux, when light intensity than adjustment ability, will eye to eye damage. So in outdoor activity places, especially in the Oakley sport Sunglasses summer, many people are using sunshade mirrors to keep out sunshine, to alleviate eye fatigue or light regulation caused damage the stimulus.
Light color to the sun block sunglasses Oakley Water Goggles role than sunshade lens, but its rich colors, suits with various dress collocation is used, have very strong adornment effect. Light color sunglasses because of its rich colors, styles, has received the young gens of favor, fashionable women to their more favor increases. Special purpose sunglasses strong keep out sunshine function, often oakley uk used in beach, skiing, climb, golf field, sunshine is strong as the ultraviolet performance index have higher requirements.
Different groups, according to the different preferences and different USES to choose, but most fundamental sunglasses from oakley straight jacket can guarantee to the wearer safety and eyesight not damage on the basic principle. Reduce the glare stimulation, inspect content clearly not deformation, prevent the ultraviolet, to the color recognition no distortion, accurate identification traffic signals, should be the basic function of sunglasses. If the above functions with a oakley shoes defect, the role of light lost sunglasses, heavy then can produce the dizzy, eyes acid bilges consciously or adapt symptoms such as, sometimes also can produce unresponsive, arguing color illusion and walking inspect content inequality symptoms and cause accidents, etc. So choose sunglasses can not only pay prescription oakley sunglasses attention to style and ignore its immanent quality.

To prevent the illuminate of sunlight from ultraviolet ray Ultraviolet ray can damage the cornea oakley and retina, high quality sunglasses can completely eliminate ultraviolet irradiation. To prevent the oakleys illuminate of glare When your eyes to receive too much light, it will naturally contraction iris. Once the iris shrink to limit state, then people will need to narrow Oakley Polarized Goggles eyes. If light still too, such as the snow reflected sunlight on the retina, will produce damage. High quality sunglasses can filter goes up 97% enterprises Oakley Polarized Sunglasses to avoid damage. Light To prevent the illuminate of glare Some surface, such Oakley Snow Goggles as the surface of the water, can reflex lots of light, and produces a window would disrupt the sight or hidden objects. High quality sunglasses can use polarizing technology completely eliminate such glare, we will oakley prescription glasses introduce polarizing technology in later. Eliminating certain frequencies of light Some frequency light can fuzzy line of sight, and some other frequencies of light can enhance contrast. For sunglasses choosing the right color, make it in particular situations get better effect. If sunglasses does not provide ultraviolet protection, it will you more exposure to uv rays. Cheap sunglasses filter to a part oakley sunglasses uk of light, causing your iris open to receiving more light. It would also make more ultraviolet ray, and increases the uv into damage the retina. Therefore, between oakley clothes various sunglasses really are distinguishing. Specific use environment, choose appropriate, high-quality sunglasses will provide you with the most protection.

Sunglass is a kind of to prevent
Sunglass is a kind of to prevent oakley sunlight intense stimulation to the human eye damage caused by eyesight health supplies, as people material culture level enhancement, sunglasses and can be used as beauty or reflect personal style of special oakley gascan accessories.
Because of the sun’s rays reach the surface of the earth, human contain ultraviolet cornea and crystal is the most vulnerable to uv damage the Oakley Active Sunglasses eye tissues, and “with cataract” is closely related to the eye disease. Because of the destruction of the ozone layer environment, and the Oakley Dirt Bike Goggles increase of people summer outdoor activities, uv damage to human can not be neglected. Wearing sunglasses is to protect the eyeball Oakley Lifestyle Sunglasses from uv damage, but the good way to pay special attention to sunglasses choice.
According to the provisions of the international standard, sunglass is listed as personal eye protection products category, because cheap oakley sunglasses in the summer wear sunglasses are main function is to keep out dazzling sunlight. However, the international standard and sunglasses subdivided into “fashion mirror” and “general purpose use mirror. Standard of “fashion mirror” in the low quality requirements. Because “fashion mirror” major outstanding is style, the wearer attention is adornment, not protecting functions. Standard of “general mens oakley sunglasses purpose in with mirror” quality requirements are more severe, including ultraviolet prevention, and to the index dioptre and prism degree requirements.
A pair of sunglasses appears to be very simple, also is in a plastic or metal frame has two color glass or plastic. And more than this simple? In fact, two glass lenses can produce a lot of differences, when you use the oakley lenses sunglasses, these differences will also have great influence on you. In this article you will understand the various sunglasses exists between all differences. A pair of good sunglasses must meet the following four functions: