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Pink Len is a very common color. It absorbs ultraviolet light, and some of the shorter wavelength of visible light. In fact, such a function and not generally colored lenses, which is to say, pink lens does not have a greater protective effect than normal lenses. But some people, there is still considerable psychologically helpful, because they feel more comfortable to wear. Gray lenses can absorb infrared and ultraviolet light. The greatest advantage of gray lenses will not make the original scene change color due to the lens, and the largest satisfying is that it can be very effective in reducing the light intensity. Like green Tiffany and Co Charm Bracelet Jewelry Outlet lenses and gray lenses, can effectively absorb infrared light and ultraviolet light. But green lenses will make some changes in the color of the scene distortion.
Brown Lens absorbance of light species and green lenses similar, but more than the green lenses absorb blue light. Brown lenses distort color degree than gray, green lenses to be far greater, and most people's satisfaction is lower. But it offers another choice of colors, and can be slightly reduced blue glow, make the image clearer. Tiffany and Co Necklace Jewelry Outlet Store Yellow lenses can absorb ultraviolet, infrared and visible light and allows the penetration of the lens. The biggest feature is the yellow lenses absorb most of the blue. Because when the sun light over the atmosphere, mainly blue performance. After the yellow lenses absorb blue light can make the scene more clearly the nature, yellow lenses used to as a filter, or hunters use when hunting. For EXPRESS lens has a protective function or meet U.S. national standards, it must be able to withstand the impact of free-fall without fragmentation.
No one can prove shooter because wearing yellow glasses, target shooting and therefore better results. Tinted lenses can absorb light in the violet, blue, can hardly absorb ultraviolet and infrared, to block the smooth shiny surface reflects light can improve visual contrast and clarity, in severe air pollution or foggy case wearing good results. Behind the sunglasses lets you active in the sun, good freedom. In fact, sunglasses resist the sun, can not stop the pollution damage, so be careful care, lest face embarrassing. It¡¯s slightly behind the barrier effect of light gray lenses, however, is still as good as the excellent green protective lenses. Car owners are wearing Fake Oakleys Frogskins Sunglasses Cheap for Sale sunglasses, do not wear often easily on the dashboard or on the seat, this is a very bad habit, hot weather will not baked prototype sunglasses, especially plastic frame especially , preferably with off or collection box placed in the glasses.
Maintenance methods like sunglasses glasses general maintenance, cleaning, closed stack, storage should be a habit. But sunglasses often Dai, accidentally scratched, so there are some small details to remind you to: sunglasses tainted adhesion, it can not use nails to pull, it's easy to scratch wounds surface. When not wearing Cheap Mac Cosmetics Makeup wholesale Outlet sunglasses, many people will easily hung on the head, neck or pocket, the body's range of motion at this time do not be too large, in order to avoid tearing or crashing. Or someone will put in the bag, we recommend that you put in the hard or the first glasses box, then into the bag, so the lens is worn keys, comb, copper and other small things, or catching lipstick and other cosmetics, do not collision sharp objects.

Golden yellow blue lenses to reduce, while allowing more light to pass through the lens at other frequencies. Because blue light can bounce a lot of light and scattered, so it can produce glare effect is called a blue haze. In fact, the yellow can eliminate the blue part of the spectrum, which makes all objects appear bright and clear. This is why the anti-snow blindness is generally yellow Tiffany and Co Charm Bracelet Jewelry Outlet sunglasses reasons. Such colors make a little distorted color perception, and therefore not suitable for this type of colored sunglasses to identify those who need accurate color activity. Amber and brown are also good common color. They can reduce the effects of glare, in addition to ultraviolet rays, its unique color molecule can also absorb a higher frequency, e.g., blue.
Studies have shown that long-term acceptance of near ultraviolet light irradiation, is one of the causative factors of cataracts. Such as Tiffany and Co Necklace Jewelry Outlet Store sunglasses with yellow lenses can cause color distortion, but will increase the contrast and sharpness. Green lenses can filter out some blue, but also reduce glare effects. In all color lenses, green lenses offer the highest contrast and greatest visual acuity, so popular. In the green or blue background, purple and pink lenses offer the best contrast objects. They are therefore a good choice for hunting and water skiing. Many sunglasses manufacturers use a process called to give constant density lenses staining. This is the most antiquated sunglasses manufacturing process, the glass or a mixture of polycarbonate material has the same color. Thus this manufacturing process, the lens, the lens color is inside.
Polycarbonate lenses dyed to the most commonly used Fake Oakleys Frogskins Sunglasses Cheap for Sale method is to soak the lenses in a special liquid containing coloring substance; the so coloring substance will slowly be absorbed plastics. If you want a deeper color of some, just to soak in the liquid lenses to extend the time. Light from the sun or artificial light sources such as light bulbs, all in all directions vibration and spread. Whether the light is transmitted, reflected, refracted, or diverging, when the light is in one or more vibration plane direction, the polarization of the light we say. Polarization can be naturally occurring, or may be artificially stimulated.
You can see the glare when the lake is a natural example of the polarization of each observation. Reflected glare from the lake is not able to pass through the water filter light, which is why even though the water is very clear reason not to see objects under the lake. Polarization filter is typically a thin film by chemical plating layer of transparent plastic or Cheap Mac Cosmetics Makeup wholesale Outlet glass surface is made up of. Typically, the compound molecules are used in parallel to each other in nature. When they are uniformly coated on the lens, these molecules form a tiny lenses, they can be arranged to absorb all the light in the same direction. You must wear sunglasses forcing the vast majority are from the glare horizontal surface, such as water and highways. When light reaches a surface, the reflected light will be polarized in the same angular orientation of the surface.

Dark green lenses absorb heat, bring cool feeling, but lower light transmission and clarity, when the sun is suitable to wear, not wear while driving. Blue lenses can play in sun sea beach blue lenses; can effectively filter out the blue sea and sky reflected light blue. Driving should avoid using blue lenses, because it will make us a confusion traffic signal colors. Human 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, make dilated pupils, plus Tiffany and Co Charm Bracelet Jewelry Outlet glasses no effect of UV rays, 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 by loss. In addition, poor quality lenses also make nausea, forgetfulness, insomnia and other symptoms of visual fatigue. Tiffany and Co Necklace Jewelry Outlet Store Sunglasses color to light gray, brown or smoke color is superior, followed by green, amber, blue, red, and use only as the sun or snow. Car is best to use polarized sunglasses, because they can decrease glare. If you wear sunglasses, others can very clearly see your eyes, and then your lens color is too shallow. When the sun goes down, it is best to remove the sun glasses; otherwise, we are affected vision in low light areas will.
Should go to regular optical shop choose the regular manufacturers have to get sunglasses with UV protection. Note that the lens surface conditions selected. To buy quality sunglasses, the only way to do that is to the optical specialty stores, regular optical shop to buy Fake Oakleys Frogskins Sunglasses Cheap for Sale sunglasses. Will sunglasses as part of their product line. Depending on the characteristics and brand sunglasses price will float. The market there will be counterfeit. At discount stores and flea markets when shopping, you will find vendors who sell counterfeit high-priced counterfeit brand sunglasses, looks exactly the same appearance, but the prices are far lower than the real thing.
The biggest problem is that cheap sunglasses lens production methods. They are simply a layer of colored film on ordinary plastic coated. Even if these counterfeit colors and frame similar to Oakley, but the actual lens is different. Quality sunglasses are very efficient light regulator. Cheap Mac Cosmetics Makeup wholesale Outlet Sunglasses can adjust the external light, making it suitable for the human eye. In the next section, we will introduce a variety of techniques to adjust the light used by the manufacturer of sunglasses. To better understand these technologies, we must first understand some knowledge about light. Size of the wave is measured in the wavelength. The energy of light is inversely proportional to the wavelength, the shorter the wavelength, the higher the energy. In visible light, violet maximum energy, minimum energy red, and in the visible light spectrum is ultraviolet.

Amblyopic in children is a serious hazard for children depending on the function of the eye, which causes a variety of reasons, one of which is a long time to wear sunglasses. If the light is not strong in the room or place but also to the baby often wearing sunglasses, a dark light will only make dilated pupils, but let more UV into the eye injury. Long wear sunglasses, macular area can not be effectively stimulated further development of the visual impact of the baby, and even lead to amblyopic. When children matching sunglasses should pay attention to the frame is not too large, too heavy, wear time should not be too long, otherwise prone Tiffany and Co Charm Bracelet Jewelry Outlet sunglasses syndrome. Sunglasses syndrome include the following orbital and cheek numbness, and gradually developed nasal discomfort when breathing, abnormal sensation when brushing your teeth or gargle.
Although sunglasses can help block UV and glare and protect your baby's eyes, but only when the sun is strong outdoor activities need to give the baby to wear Tiffany and Co Necklace Jewelry Outlet Store sunglasses. Under normal circumstances, the parents try not to give the age of four baby wearing glasses, because children usually go to old vision to reach the normal standard. When the baby moms to buy sunglasses should choose high-quality sunglasses, but also to choose polarized lenses and lens color is gray or smoke color is best not to choose some color tide lenses, such as yellow or red lenses. Children in the developmental stage do not choose the color vision was stable lens. Amblyopic in children not only affect children's learning and life. Seriously affect the child's future also.
Amblyopic often occurs in the absence of corrective Fake Oakleys Frogskins Sunglasses Cheap for Sale glasses worn by the high refractive errors, mostly bilateral, common in hyperopic, due to refraction, resulting in long-term retinal image in the eyes fuzzy state, macular functions are not well developed, resulting in amblyopic. This amblyopic Just wear the right glasses, and then increase as training, vision will gradually improve. Due to unequal refraction, resulting object size and clarity in the eyes retina ranging formed, the brain's visual cortex can not be fused into a single, clear image; can inhibit the more serious refractive errors from things like the eye, the eye after falling on the formation of amblyopic.
After birth due to congenital cataracts, corneal opacity and other diseases, resulting light can not enter the eye to stimulate the development of macular function, so that early visual development in the formation of the barrier. Children with strabismus or have had strabismus, common in isotropic. Eye position deviation occurs when the eye, the visual Cheap Mac Cosmetics Makeup wholesale Outlet projection direction appear to change the image and the other eye on the retina resulting disagreement, unable to form a complete clear image into the brain to produce the diplopic. To overcome diplopic and visual disturbances, visual cortex will be a proactive approach to suppress the urge to squint eye gives vision. Due to the long-term suppression strabismus can not perform its functions, the visual impact of the development, thus forming an amblyopic.

In addition to the color of sunglasses according to their skin color, face, dressed to match, should be based out of places to choose from. In general, black, brown, gray filter works well; gray lenses can be balanced against any absorption chromatography, after wearing Tiffany and Co Charm Bracelet Jewelry Outlet glasses to see the scene without significant color will darken; tinted lenses can filter out a lot Blue-ray, can improve the visual contrast and clarity, in the case of air pollution or fog wear best effects. What color shades sunglasses for us? Simple self-test method is to wear sunglasses mirror, dimly visible in order to limit their pupil. The color is too light filter effect is too small; too dark vision has also weakened the impact of the color sense.
This year the popular and colorful light-colored sunglasses, do not use the sea water activities, reflective snow intense sunshine and very strong sun, but should wear sports sunglasses, they are mostly used bright colors saturated colors, can absorb or reflect more visible light. In addition to wearing sunglasses to reduce glare stimulus, the eyes comfortable, but the main purpose is to prevent ultraviolet light damage to the eyes, and the Tiffany and Co Necklace Jewelry Outlet Store lenses are UV color is different. Average regular optical shop will have the ability to detect resistance to UV sunglasses size instrument, through this test, you can know whether the hands of glasses for your eye health help.
Choose sunglasses when, whether frog type or types of flies, it is best that can cover his face their own sunglasses. Because those lenses larger bends around the corner to the sun can protect the lens, the protective effect is more pronounced. In addition to direct sunlight makes exceptionally uncomfortable outside, the sun irradiation sometimes come from both sides. So to choose sunglasses according to face shape is very important. Many friends in the Fake Oakleys Frogskins Sunglasses Cheap for Sale sunglasses of choice, often more important are the product price, quality and style, etc. In fact, the choice of sunglasses lens color is also very important. Generally speaking the best sunglasses lens color is brownish color, Gray and Green colored lenses, such as migraine, visual effects and better protection.
Tinted sunglasses product line recognized as the best lens color, it can almost absorb ultraviolet and infrared; and pastel colors make visual comfort, your eyes do not fatigue. Gray completely absorb infrared, and most of the ultraviolet rays, and will not change the color of the original scene. Gentle natural color is quite popular lens choice. Green and Gray Cheap Mac Cosmetics Makeup wholesale Outlet glasses can absorb all the same infrared and ultraviolet light in the blue, red can also be blocked, but sometimes the color of the scene after the green lens will be changed. But because the green to bring people feel cool and comfortable, also good for eye protection, it is also the first choice of many friends. Yellow lenses can absorb most of the ultraviolet and blue light, and then absorb blue light, the scene will be seen more clearly, so in hunting, shooting when wearing yellow lens when the filter is more common.

Many parents prefer to wear sunglasses in the face of the child, the child looks both to protect the eyes, and very cool. Indeed summer sunglasses to protect the eyes, but children should not wear sunglasses for a long time because of their visual function has not yet mature, but also the need for more clear images and bright light stimuli. Long wearing Tiffany and Co Charm Bracelet Jewelry Outlet sunglasses, macular area can not be effectively stimulated; will affect the further development of vision, severe cases may even lead to amblyopic. Even high-quality sunglasses can also cause amblyopic in children, but the children of poor quality glasses more serious damage to the eyes. Sunglasses are now a lot of lemons children, most of them are plastic lenses, at best, is a toy, not only did not achieve a protective effect on the eyes, but also affect the development of children's visual function.
If you wear only a short time, to give the child choose one pair of eyes to maximize the protection of Tiffany and Co Necklace Jewelry Outlet Store sunglasses to choose polarized lenses, lens color to gray or brown as well. Common black sunglasses color too deep, too much light barrier, the child visual environment is too dark; the images will be delayed eye to the brain's visual center time, easily lead to amblyopic in children, while the children could easily lead to dangerous activities. To prevent amblyopic, children sunglasses correct usage is: When your child to wear in intense sunlight, remove promptly when the sun becomes weak. Cardboard a little surprise from Google's virtual reality glasses. This is a two Google employees use work time twenty percent of the research and development of small projects, get Google's attention.
In simple terms, it is the body material completely cardboard, built eyepiece, formed by folding space to accommodate mobile phones, Android applications after the phone is inserted with related to virtual reality applications, such as You Tube video, the future will adding virtual tours, Google maps and other functions. This concept of virtual reality and mobile phone accessories seem similar, but more streamlined and less costly. Perhaps cardboard glasses virtual reality concept is not a very high tech, but it gives us some useful information, take a look. A cardboard material, low-cost virtual display Fake Oakleys Frogskins Sunglasses Cheap for Sale glasses lens will not cost you a few thousand dollars, indicating that manufacturers actually have the ability to manufacture low-cost equipment, such as using cheap plastic body, adjustable frame, as long as the cardboard glasses minor adjustments can be realized. Rumors that Google intends to cooperate with Samsung to launch the associated equipment, to support the Samsung Galaxy series phones, virtual reality increase its selling point.
Google used in the presentation of the Nexus, but apparently not for the low-latency Nexus screen virtual reality applications and design, so the smear phenomenon is serious, prolonged viewing disgusting. All along, we are concerned about the size of the Cheap Mac Cosmetics Makeup wholesale Outlet phone screen resolution, viewing angle, etc., but ignore the delay rate; while the cardboard glasses to tell people, delay rate phone panel displays like the game should be emulated. Of course, the software is also a form of treatment, but with limited room for improvement. It may prove cardboard glasses with one design will appear in the future. In the form of pre-smart phone people more concerned about weight distribution, long wear likely to cause head fatigue. Therefore, the future is entirely possible to integrate a separate screen, processor and battery design in the fuselage. Whether Oculus Rift or Sony Project Morpheus, are used in the form of a wired connection, this experience is clearly not good enough.

According to international standards, allowing through glasses of UVA should be below 10% UVB and UVB should not be through, otherwise damage your eyes, but it can be crystal lens through ultraviolet UVA about a hundred ninety-thirds through ultraviolet UVB about 90 per cent, so if the advantage to compare with the purpose of raising the disadvantages of UV damage, it is not worth the candle, and ordinary optical lenses, high refraction Tiffany and Co Charm Bracelet Jewelry Outlet glass lenses, coated lenses and so on UV absorption and interception capabilities, comparatively speaking, the optical properties of crystal glasses is far better than ordinary optical glass, quartz crystal is a plus, and more with irregular internal impurities, between cotton flock corrugated, non-homogeneous medium , and has a birefringence effect, so that the formation of double vision after the refraction of light, causing blurred vision, so it is natural crystal or artificial crystal, are not suitable for glasses.
Behind the sunglasses lets you active in the sun, good freedom. In fact, sunglasses resist the sun, can not stop the pollution damage, so be careful care, lest face embarrassing. Maintenance methods like Tiffany and Co Necklace Jewelry Outlet Store sunglasses general maintenance, cleaning store should be a habit. But sunglasses often Dai, accidentally scratched, so there are some small details to remind your sunglasses tainted adhesion, it can not use nails to pull, it's easy to scratch the wound surface the. When not wearing sunglasses, many people will easily hung on the head, neck or pocket, the body's range of motion at this time do not be too large, in order to avoid tearing or crashing. Or someone will put in the bag, we recommend that you put in the hard or the first glasses box, and then into the bag, so the lens is worn keys, comb, copper and other small things, or catching lipstick and other cosmetics.
Car owners are wearing sun glasses, do not wear often easily on the dashboard or on the seat, this is a very bad habit, hot weather will not baked prototype Fake Oakleys Frogskins Sunglasses Cheap for Sale sunglasses, especially plastic frame especially , preferably with off or collection box placed in the glasses. Many people like to wear sunglasses to reduce sun damage to the eyes. Eye experts remind everyone, be sure to choose acceptable quality sunglasses, a low-quality sunglasses not only can not resist ultraviolet rays, but also give the eye cause great harm. Whether wearing sunglasses, mainly in the strength of the sun's rays to be, not simply in the season to be.
If the UV intensity is large, you need to wear Cheap Mac Cosmetics Makeup wholesale Outlet sunglasses. If you select an inferior, substandard sunglasses, not only can not resist ultraviolet rays, but will also expand the pupil of the eye, the eye lens consume more UV rays. Choose sunglasses must pay attention to their health functions. Is there an anti-UV sunglasses function, we can not distinguish with the naked eye. Eye experts recommend the product factory express concern commitment on the labels of products you can see explicit formal identification. In order to protect the health of the eye, you can choose lenses with UV protection sunglasses made functional, try to eliminate the wavelength ultraviolet light. Lens color gray, brown, green is good.

Choose the wrong sunglasses, in addition to the eye will suffer; even the bodies are likely to be offset. If your body as symptoms appear, indicating that you should put on a pair of sunglasses at once. American Academy of Ophthalmology, experts say, the weight of the sunglasses once overweight, excessive oppression of the temple will make the brain becomes tense, leading to intermittent headaches, Tiffany and Co Charm Bracelet Jewelry Outlet sunglasses syndrome, which is the most common one. If you feel a headache while wearing sunglasses always appear after take off and disappear within half an hour, the best light and compact pair of sunglasses to replace immediately. Sunglasses worn for a long time, if you feel the maxillary gingival numbness, pain on the front teeth, two lens care is likely to be too tight. Go glasses lens care shop asked people to loosen some, or exchange comfortable wide-brimmed glasses.
German ophthalmologist found that the initial performance of tight lens care is between the eyes or cheeks mild numbness, nasal discomfort when breathing, after a long period, the pain will gradually spread to the mouth, so you toothache endless. British Association for the Study of eye disease found that vision losses are associated with sunglasses lens color is too dark about. If your eyes are dark than light brown, blue and brown-eyed people have better UV resistance. Then you choose a dark purple or pure black Tiffany and Co Necklace Jewelry Outlet Store sunglasses, the eyes will fatigue, long down will cause vision loss. Korean Eye experts say most suitable for Asian women with dark eye lens color is light gray and pink. Abstract wearing glasses at the time, please grabbed the temples, facing out off, pick one hand while wearing glasses, likely to cause deformation, loosening.
Frame or lens stained with dirt, sweat, grease, cosmetics, cleaning with a mild detergent in warm water, then dry with a soft cloth. Prohibit prolonged wet, soaked in water and placed in a fixed position by sun exposure; ban placed on the current time, the metal edges. Glasses frame distortion, sagging, re-use, will cause the affected lens clarity, dashing to the dealer for a free adjustment. Fake Oakleys Frogskins Sunglasses Cheap for Sale Sunglasses plate after a period of time there may be a slight deformation, which is a normal phenomenon, can be adjusted to a store shelf can be executed. Please do not set aside time sensitive mirror of the direct glare place, otherwise it will shorten the color effect of the use of time, but if one but Dreaming of long-term wear and gradually losing its polarizing effect will not change, please rest assured that you are using.
When wearing sunglasses, visible light entering the eye is reduced, the pupil will naturally turn. This does not change the pupil what effect on healthy people, but for glaucoma patients, but more room to increase the circulation of the eye disorder, are likely to cause acute glaucoma, appear jealous, a sharp decline in eye pain, headache, nausea, vomiting, vision other symptoms. Therefore, patients with glaucoma or suspected glaucoma do not wear Cheap Mac Cosmetics Makeup wholesale Outlet sunglasses. However, because only a few parts of lack of ability to distinguish colors, wear sunglasses when after more indistinguishable color. Night blindness is caused by a lack of vitamin A, resulting in the dim light, vision is affected. So sunglasses night blindness will affect the patient's vision. Sunglasses optic nerve conduction disorders exacerbate patients, the impact of the disease recovery.

After the yellow lenses absorb blue light can make the scene more clearly the nature, so as yellow lenses used to filter, or hunters use when hunting. However, no one can prove shooter because wearing yellow glasses, target shooting and therefore better results. Tinted lenses can absorb light in the violet, blue, can hardly absorb ultraviolet and infrared, to block the smooth shiny surface reflects light can improve visual contrast and clarity, in severe air pollution or foggy case wearing good results. Behind the sunglasses lets you active in the sun, good freedom. In fact, Tiffany and Co Charm Bracelet Jewelry Outlet sunglasses resist the sun, can not stop the pollution damage, so be careful care, lest face embarrassing. The biggest feature is the yellow lenses absorb most of the blue. Because when the sun light over the atmosphere, mainly blue performance.
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Car owners are wearing sun glasses, do not wear often easily on the dashboard or on the seat, this is a very bad habit, hot weather will not baked prototype Fake Oakleys Frogskins Sunglasses Cheap for Sale sunglasses, especially plastic frame especially, preferably with off or collection box placed in the glasses. You are in the sunglasses collection where you want to be sure to remember the mirror up. In the design of the frame, usually by folding the first leg and the left is the mirror from the right. When in operation, use both hands; hold the mirror legs parallel to the direction along the cheek pick to wear. But I do not recommend dry rub, so easy to wear flowers lenses. Best to rinse with water and then dry with a paper towel re-use water glasses cloth to wipe. In the process of wiping his hand lift up and then wipe the mirror side. After wearing for some time, the frame may be deformed, a burden to the nose and ears, but also easy to loose lenses. You can own fixed or adjusted to the store.
Be sure to place the short upward convex lens, or easy to wear flowers while avoiding contacts with a variety of chemicals, cosmetics, pharmaceuticals, etc. also to avoid direct sunlight and high temperatures. If the place a long time then put the glasses cloth glasses box. I hope you pay attention to the daily maintenance of sunglasses, so as to better care sunglasses, sunglasses prolong life. Cheap Mac Cosmetics Makeup wholesale Outlet Sunglasses are because harm to the human eye to prevent sunlight intense stimulation vision care products reflects the personal style of beauty or special jewelry, according to the different needs of people to buy sunglasses. Some people buy sunglasses, often feeling unwell after purchase, or quality problems encountered glasses. Glasses experts reminded the public, be sure to pay attention to when purchasing sunglasses.

As a natural eye protection mechanisms, it can absorb all the cornea of the eye and the vast majority of UV-B ultraviolet A. However, there is still a part of UV-A will reach the Tiffany and Co Charm Bracelet Jewelry Outlet lens of the eye. A long time to absorb ultraviolet rays may cause cataract, cornea to the retina through a small amount of UV-A can lead to macular degeneration, which causes macular degeneration is the leading cause of blindness for the elderly. Long-term exposure to intense ultraviolet light can cause eye cancer or actinic dermatitis, which is the retina burns. This often happens after a sunny outdoor winter snow, snow reflect the sun's glare, which is often called snow blindness.
Sunglasses have good UV coatings, UV radiation can be eliminated, and you must ensure that one hundred percent of your sunglasses can filter out two kinds of ultraviolet rays. The label on the sunglasses should indicate the extent to which the sunglasses provide UV protection, and you need to be protected. Tiffany and Co Necklace Jewelry Outlet Store Sunglasses nominal vertex values, deviation or assembly of lenses and lens manufacturing time frame does not match, there may be bias vertex, if beyond a certain range, the wearer may feel visual distortion, severe then will affect the wearer's visual health. If the lens has a prism, it will produce visual shift of focus, if more than the standard allowable range, it may result in binocular vision can not be one, or produce low sense of imbalance, increasing the wearer's eye muscle and optic nerve disorderly regulation can lead to serious neurological disorder or adjustment arising strabismus.
Light transmittance of the project is an important indicator to characterize the function of sunglasses. China's current classification standards here feature Fake Oakleys Frogskins Sunglasses Cheap for Sale sunglasses, while the European and international standards will be divided into multiple categories. If you use light-colored sunglasses for shade purposes, the wearer will not get good results shade, such as prolonged outdoor activities in strong sunlight, the wearer will be stimulated by strong light and fatigue. Light-colored sunglasses generally play a decorative role, or the sun is not strong indoors. On the contrary, in the room or do not need a place to wear sun block intense sun mirror, the pupil is due to excessive amplification discomfort, fatigue and so on. In the sun mirror, the transmission is not suitable for small products worn by the rider or car, because the rider or motorist traveling faster than the speed of pedestrians, the transmission ratio is too low will affect their ability to respond.
When the sunglasses meet this requirement, it reached the most basic requirements of protection, that is also a barrier to block the glare of the corresponding amount of ultraviolet light, wear sunglasses or at least not increase the amount of UV light to accept, wear sunglasses, will reduce the flux into the human eye, causing the wearer to increase pupil, under the same external conditions, if the appropriate amount of Cheap Mac Cosmetics Makeup wholesale Outlet sunglasses can block UV light, the human eye will accept more than not wearing sunglasses when ultraviolet light. Clearly defined UV sunglasses lenses used must not exceed the maximum transmittance. UV performance is an important indicator of sunglasses, a pair of sunglasses with UV function if we can not distinguish with the naked eye. The current product performance standards for UV only basic requirement that the wearer harmless. Protection mainly made explicit commitments by the manufacturer, but not all products have anti-UV sunglasses function as a consumer to identify whether the product has anti-ultraviolet function, only the factory to express commitment to the product as the only reference.