Prada, Dior and other luxurious products has launched a series of optical Brille. The styles range from wild and sexy, simple and avant-garde to noble and elegant, lively and colorful, as well as playful and cute ones, among which there must be a right for you.

Miu Miu, the latest glasses, whose design is full of attraction, hope to change the passive femal style, adding new elements to the fation market. And demonstrates the spirit of her fighting will and rebellious. The glasses leg pattern is full of passion and courage and expresses the wild sentiment in the women’s deep inner hearts. However, optical glasses, different from sunglasses, should be wore for several years, because such saying too fashionable to date.

Gucci,another latest glasses,which have no obvious element of fation,are very classic and delicate. It is classic and unique, with lightweight titanium rimless; the brown legs seem elegant and simple, without too many decorations.

The latest optical glasses of Dior are titanium alloy frame, and are very lightweight. The type of Brillengestelle is simple end elegant. Classic logo in white and black can be seen in the legs. It is also pretty cartoon，suitable for the nifty girls.

Bright and joyful colors, simple glasses type, smooth and slim legs, and exquisite hand-made glasses are the highlights of Emporio Arm glasses in this season. It is mostly suitable for the lively young girls to wear.

The design of Ferragamo is youthful and elegant. The new glasses using water diamonds to embed graphics are gorgeous and elegant and very suitable for quiet and elegant women to wear.

Versace in this season mainly pushes image style, the remarkable patterns at the glasses legs are ornate. The glasses are all embedded with shining water diamond, adhering to the luxury style of the brand, and very suitable for modern fashionable women to wear.

The design of Prada randlose Brillen and clothes are the same. The glasses type is simple and there's no encumbrance and burden. With two pure colors of white and black combined, this brand is fationable,but not too much.

Normal people begen to old sighted at more than 40 years of age,the precursor is the newpaper has taken farther and farther, the light has turned brighter and brighter. If you find that you start to have the habit of holding your newspaper farther and farther and turning the light more and more bright, you'd better go to the hospital to have your eyes examined instantly. Because these are the eyes began to “presbyopia" of the precursor. Experts advise: just as white-headed old and will be the same as that as one of the 40 eyes may gradually after the " presbyopia".

At this time, you shouldn't avoid it. You'd better get your eyes examined in time and have proper eyewear. Those glassed made beforehand could only be worn for reading in daily life and they should never be worn all the time. Experts say that the reading glasses without customization will brings dizzy head, sore eyes and other problems.

If you find you get presbyopia, you should wear glasses promptly.

Many middle-aged and old people would say, "I recently couldn't see things clearly and those far things are just before my eyes." "Generally speaking, an average of more than 40-year-old will begin to 'presbyopia', obviously,the precursor is the lamp light turned brighter and bright,seeing thing nearby need more and more light. This shows that the ability to regulate crystal eyes on the decline, which started to occur in physiological sclerosis. "

Experts said that many middle-aged men try to avoid this phenomenon intentionally. They would rather see things tiredly instead of wearing presbyopic eyeglasses online. But when the degree deepens to a certain extend, they can not see clearly even the newspaper is held farther and the light is brighter, which is not changed according to people's will. Once the phenomenon of presbyopia comes out,you'd better go to the hospital optometry examination to determine the degree to select the appropriate reading glasses.

Do not covet cheap street eyeglasses.

Many glasses shops will bring the cheap reading glasses for publicity, and many will buy it after a try. The experts' suggestion is that such glasses can be bought, but they could only be worn every now and then and used when there is no high demand of the eyes. These glasses do not flower under the old person's degrees tailored, and its degrees are set up right and left eyes were the same.

And many 'presbyopia' eyes around the crowd degree there are gaps, as well as astigmatism and other problems was wearing a felt okay, wearing a long time, various problems are likely to occur. The personalization of presbyopic glasses is very important, people should choose ready-made glasses for its cheap price. In fact, as long as the number is precise, you can still choose cheap presbyopia glasses. There are differences of face width and eye width between people, so is the visual center. Such requirement would not be satisfied by the street glasses in the same specification.

ray ban sunglasses store has become a global pioneer for the sunglasses and optical glasses since 1937 which has not only represents a brand. It is the synonymous of free and innovative and actual self - and these also show the core value of the concept of Ray-ban.

ray ban has always been the best-selling brand of sunglasses. Ray-Ban black sunglasses are one of the symbols of the US army. After the World War Ⅱ Ray-Ban sunglasses rapidly became in vogue around the world as fashionable products. The new Rare Prints of Ray-ban will come out brilliantly this spring. Besides the vigor and colores continuing from the past seasons, the new styles supply you with more choice. Can fashion icon miss this chance? As always, Ray-ban represents quality and the self, every series of products owns surprizing detailed design and strongly expresses an extraordinary personal style.

This series has integrated a part subway map of New York into the design of the appearance of the Ray-ban that added a fashion and urbanization charm for the sunglasses. Following the Geek Chic of this season and the retro fashion in 70s, Ray-Ban Wayfarer sunglasses quickly become the essential items of this season for full of reminiscent mood of 60s and 70s. ray ban aviator sunglasses win the hearts of fashion icon with its large frame and dazzling and stunning color. Sienna Miller, Olsen Twins, Kirsten Dunst, etc. are the faithful funs of the Ray-Ban Wayfarer sunglasses.

As early as the end of 2009, people saw some part of the Ray-Ban Rare Prints series sunglasses, and the calico printing design is really impressing. Printing is the hottest trend in 2010 spring and summer, and it was thought that Ray-ban caught it, actually it is the cooperation product of Ray-ban and the street artists, which shows the core spirit of brand "Never Hide". This series of poster also happens to be a work of grasses grow on head, it is weird but interesting. The msot unmissable type is a wayfarer with the underground map of New York printed in the outboard. Its map design gains the commision from Metropolitan Transportation Authority of New York. It will be no longer produced after the expiration of the authorized dates, and is absolute limited edition collection. Besides, the light tone of color is also very suitable for daily matching. But this is an autumn-winter product and may keep growing "g Clubmaster series of styles are more suitable for Asian face, but its design is more high-profile and individuality and seems special cool.

Ray-ban aviator sunglasses may be the best-selling styles, but Ray-Ban Wayfarer sunglasses can better represent the brand’s spirit—Live out myself. Even the most old-fashioned face wear such glasses, you can see the other side of his character.

There are many travelers who don't wear ray ban sunglasses store, which is taboo in outdoor sports. In general, outdoor walking will last for several hours, several days, and even longer time.

If you conduct outdoor sports for a long time will cause the eyes expose to ultraviolet rays for a long time and ultraviolet ray is an invisible killer. Absorbing too much ultraviolet radiation will cause fibrosis of lens in eyeballs, and it can hurt eyes’ retina and cornea, speedup eyes’ aging, and lead to the over early occurrence of cataract. It can also lead to snowblindness. In addition, suffusing sand, twigs in the jungle and winged insects, all of these can bring trouble for outdoorsmen. So to those legging it outdoors, a pair of ray ban is a requisite. Then what kinds of outdoor sunglasses are proper?

First of all, they should be comfortable for wearing. Without this precondition, the glasses would be wiped off in short time, let alone any other functions. If you feel comfortlessness, dizziness, headaches and some other untoward effects after you wear it, then you have no need to consider it. Either the lens has troubles or is designed for special eyes but not suitable for you. Secondly, you may be deceived if the sunglasses fail to protect your eyes from hurting by ultraviolet and strong sun layers. Furthermore, most sports sunglasses are designed curvedly, which can prevent effectively the wind and foreign matters stimulating eyes. If the sandstorm is large, several outgoing can make you suffer from trachoma.

Furthermore, it must be fixed after wearing it. It can't move when you are doing activities. If it moves, you may react as if your belt are loose, so this is very important. Another point is they should be clear and your view from them should be natural. The color and the scenery should not be distorted. Some sunglasses when being worn make things look farther or nearer. On the whole, outdoor sports have the specialities that other sports lack, like the unpredictability of environment, risk, and climate. The outdoor sports may suffer different sports ways. A sound pair of outdoor ray ban aviator sunglasses should be with nice handicraft. At the same time, you should fully take the suitability of outdoor sports into consideration. Speak in a simple word: Sunglasses should wear personal and comfortable, look the things real and natural and not move or drop when people doing sports (running, riding bikes and climbing moutains). Thereby, it is a very important thing to select the right outdoor sunglasses.

The companies of high-quality glasses such as Prada and Dior supply a series of optical reading eyeglasses. There are wild and sexy styles, simple avant-garde styles, noble and elegant styles, lively and colorful styles, and cute styles. There must be some one for you among so many styles.

The design of the latest Miu Miu glasses is known as wild style, hoping to change the passive feminine feeling and put some new power into fashion. And demonstrates the spirit of her fighting will and rebellious. The glasses leg pattern is full of passion and courage and expresses the wild sentiment in the women’s deep inner hearts. Different from common sun glasses, the frame of optical glasses can last for many years. The more fationable the glasses are, the easier to be out of fashion.

The latest Gucci glasses have no obvious fashionable elements and are quite classic and chic. It is classic and unique, with lightweight titanium rimless; the brown legs seem elegant and simple, without too many decorations.

The latest Dior optical glasses are made of titanium alloy frames, very light. The design of this brand is very compact and elegant. The logo at the legs of the eyeglasses online is showed in the classic color of black and white. The cartoon glasses are suitable for cute girl to wear.

The bright and joyful colors, compact glasses shape, slim and smooth glasses legs and the exquisite hand-made glasses are the highlights of Emporio Armani in this season. And they are very suitable for young and lively young girls to wear.

Ferragamo has young and elegant design style. with Crystal embeded in the picture of the glasses,the new brand is very umptuous and delicate,which is suitable for quiet and graceful ladies to wear.

The main product of Versace in this season has obvious and ornate geometric patterns in legs. Glasses are all embed with flashing water drills, which has always been adhering to the luxury style and suitable for modern fashionable women.

The design of PRADA prescription glasses is as the same as the costume design, and the shape is concise without the slightest encumbrance and burden. The very pure combination of black and white is very modern, but not extremely trendy.

According to the experts, if you want to choose a pair of prescription glasses that is of high quality and suitable for you, there are two things you should pay special attention to, namely, the frame and the lens. The best choice of a customers is the sunglasses that fit the shape of your face, and at the same time feel comfortable and protect the eyes from the harmful external rays. Because protecting eyes and easily matching with garments are the two major functions of sunglasses. As long as both the two aspects are given consideration to, you can look beautiful and outstanding.

According to scientific study, British wholesale group BOOTS has pointed out that lenses of pink, blue, green or other bright colors may twist the wearers’ vision and make them can not see some colors clearly. If you are working in sepecial fileds like drivers, you would better not choose these kinds of glaases. Only the sunglasses which bear the CE mark can protect you eye some ultraviolet radiation. Generally, sunglasses possess no strength, in other words, their diopter is 0. So, when buying cheap glasses, you should try them on to see if you feel giddy or headache.

Some sunglasses with strength are on sale in the market, But because the pupil distance of diffrent people are diffrent, so without professional people's guide, you 'd better not try it. When buy sunglasses, you should put them evenly on the counter. If they are not stable, there must be some thing wrong with the frames. Then holding the two legs of the sunglasses facing it to the daylight, and then make the glistening line rolling smoothly. If the fluorescent shadow reflected by the lenses appears to be wavy or distorted shape, the lenses are not flat. Such kind of lenses will damage your eyesight.

The eyes are very sensitive organs, so when you choose sunglasses the quality should be put on the first place. Clear degree should be in high level; lenses should be flat; function of filtering the ultraviolet radiation is demanded. Participating in formal occasion, you had better not hang eyewear on your neckline, for it will show less gravity.

You don’t have to be suppressed that why Angelina Jolie or Gwen Stefani are always wearing an excellent ray ban sunglasses. This gadget called sunglasses is an indispensable ornament for stars. Although most of us use ray ban to prevent strong sunlight, not to avoid paparazzi, yet we still need one that suits us. Let's take a look at these star models, and then go and pick one sunglass of our own.

A unique style of FredFlare ray ban sunglasses store owned by Nicole Richie, is super cute! But do not lose your mind by its appearance. Although age is not an important factor in choosing sunglasses, that is not the case for this pair of sunglasses in peach-heart shape. You can imagine how a 40-year-old woman will look wearing it even though Nicole looks very special and beautiful with it The dress of Katie Holmes is not too personalized as well as floridness, but she can give us an comfortable image, including her taste of sunglasses. The sunglass of Marc Jacobs has outstanding style and characteristics, so you must make sure this pattern is matched with your overall dress properly. Before you go out, you can make sure the overall effect is good in front of a high mirror. Reese Witherspoon knows clearly what suits herself, and the sunglasses she often wears are aviator ray ban. This pattern suits to the female who has a Marc face like Richie. Maybe you can choose a large one as the small one express too much eyebrows.

The classic will be never defeated! After Audrey Hepburn interpreted a style of Ray-Ban sunglasses in Breakfast at Tiffany in 1961, till now, many famous stars good at dressing like Sienna Miller are still obsessed with it. You can drop the beginning black Ray-ban and adopt a pair of cherry red one of sienna in summer. Michael won numerous girls love by the “prison break”. Although the result of the Wentworth Miller’s death breaks the heart of numerous fans, he also has a high popularity in the reality. Wentworth Miller who acts as Michael Scofield in the play plays perfectly, being intelligent, talented, tall and handsome, still cool in prison. This 37-year-old actor then becomes very popular. He was born in Chipping Norton, graduated from Oxford University, and has British passport. However Wentworth Miller is a performer with British elegance, his dress are full of America style. He usually wears a set of aviator ray ban.

Ray-Ban 3025 has gold, silver, black and other colors, the lens is dark green by default, including ordinary lenses and polarized lenses, and are very popular with stars. Beckham and Tony is this brand’s old friend. Actually movie stars’ appetite is pretty similar.

It’s the human nature to love beauty, besides the glare sunshine is very troublesome to myopia, so many of myopias choose the sunglass. Then, how do nearsighted people choose ray ban sunglasses store? Do they add sunglass lens to the nearsighted glasses or choose another prescription sunglasses?

The nearsighted should consider the glasses dioptre when choosing sunglasses. The glasses with a layer of sun glasses are simple but too heavy, and the redundant double lens will be easy to shift or fall off in acuteness exercise. Match a pair of sunglasses with myopic degree, the advantages of which are quite smart, beautiful, and easily fixed. For the people with low or medium degree short sightedness, they can wear common sunglasses without refraction on the premise of safety. It is safe for the patients who have high degree of myopia (higher than 600 degrees) to wear sunglasses with diopter. Of course, no one can wear poor quality of sunglasses because this kind of sunglasses is harmful to the eyes.

There are about four main kinds of sunglasses in the market now. Have a simple knowledge of them will help you choose right sunglasses according to what you like. The normal nearsighted dyed ray ban is the glasses which have the color of sunglasses, for the usage of resisting the strong light. But you should pay attention to choosing the color, i.e. the most suitable color is dark brown, grey, light green. Such lens can be used outdoors, and could not be used indoors, since dialysance is not enough, which would increase eye fatigure and influence vision. This kind of myopic sunglasses are made of dyed resin lenses after process. Due to the different degrees, this kind of dyeing is often single processing. And the color and stability are almost the same with that of optical shops.

Plug-in clip type myopia sunglasses are the near-sighted glasses with additional outsourcing sunglasses clip. The advantage of this method is economic and convenient, that we can shift the nearsighted lenses and sunglasses by up and down the adding lenses. While the drawback is the type of extra-fitted clamps is limited, the size of lens has certain difference matched with original ones.

Lenses + sunglasses, lenses are the choice of beauty-lover, the combination of lenses and sunglasses can be chosen freely, which is same with ordinary person. The sunglasses with degree achieve two aims at the same time, even if you forget nearsighted lenses, you will not become the　＂blind man＂． Customizing your favorite sunglasses to myopia sunglasses will be fashion and health.

The thing I should remind you is that ray ban sunglasses with larger lens are unsuitable to make nearsighted sunglasses. You’d better choose sunglasses with flat lens. At last, while choosing sunglasses, no need to follow trends, you should choose sunglasses in accordance with your face figure. For the nearsightedness, you must try it if there is any spinning sensation and whether the dialysance is high or not, and you’d better chose the glasses with polarization.

When you are buying optisch, you’d better choose the ones which have been made by licensed producers of some fame. Because counterfeit or shoddy goods are often without a qualified inspection, the quality can not be guaranted. Glasses like this can't protect our eyes, and in opposite sides will hurt them. Then how can we identify genuine and fake brand-name sunglasses?

In fact, it's quite easy. The Brillenfassung are different from fashion and bags which has their own type and color code. These codes are set by manufacturers. If the product's type and style is different from the one searched from authoritative website on Internet, it must be fake. So that those imitation goods are easily figured out by people. There is another possibility that the bad salers use the real pictures instead of the false one. however, what the buyers got are the similar mimic. Therefore, the best choice is to buy goods from trustful sellers who have pictures of real goods on the web.

Another way to distinguish the true and false is to check the sellers if they have the certificates. Italy covers numerous world's glasses manufacturers. Safilo Group is the biggest sunglass producter, and its headquarter is in Italy. Virtually all the sunglasses of the first-class brand names are produced by the Safilo Group. Burberry, Dior, Gucci, Armani, Valentino, YSL are all produced by Safilo. They control the sale way very strictly, and won't sale them to the salers in random.

In America, only the stores who have obtained the certificate from the concerned ministries of the country could be qualified for stocking from Safilo, And the commissioners will monitor the business and franchised stores. They don't allow to compete malicely by reducing price. Every pair of Safilo randlose Brille are enclosed with a certificate when they turn out, and it can be said that all those brands produced by Safilo but without certificates are couterfeits. Finally, never say that the expensive is the true. People shoule be wary of being used by others with thought.

Is it lenses for viewing things, ray ban sunglasses a firewall for blocking sunlight or treasure for matching various costumes in the wardrobe? Today, we must admit—glasses are not only the tool for us to see the world more clearly, but also the mark of fashion culture. Now maybe we should spend more time on choosing the ray ban warrior sunglasses . Maybe it is you who are popular with Ray-ban sunglasses. Handsome big sunglasses: the Ray-ban big sunglasses may be as big as to cover up one half more of your face.

Although the original intention of the design is to prevent from the winds during operating the plane. While now, letting half of the face hid behind of the glasses has been one of the means to dress up cool. Moreover, they can used to conceal dark circles under your eyes caused by one-night stay-up. Juding from the new products lauched by famous brands, Ray-ban glasses are still NO.1 in designers’ eyes. As for the style, Ray-ban sunglasses for men or Ray-ban sunglasses for women tends to be tough. It is more suitable to boys or lively and handsome girls.

In clothes matches, concision and competence is the key. A high-waist jacket with a flavor of business wear, as well as a refined windbreaker can be matched. In aspect of clothes collocation, the key is to be simple and capable. Jackets with the taste of high-waist business wear, or rakish dustcoat are suitable. LOGO is becoming more and more refined. Today brand culture is increasingly being emphasized, so LOGO is naturally one side we can not ingore.

At the link point of the lens and the frame, every brand leaves their own imprint. For example, there is a central shield logo on Ray-ban sunglasses. Then more brands emphasize on the LOGO design. People who emphasize LOGO must also attach great importance to the brand because the brand is the embodiment of LOGO. Therefore more brands pay more attention to the design of the logo. The one who emphasizes Logo must also emphasize brand because Logo is the embodiment of brand.

Therefore, it is best to wear Ray-ban sunglasses to block harmful ultraviolet rays when you are out. The professionals in spectacles industry advise that you had better select the lens which can absorb both UVA and UVB, the lights will not harm the eyes after being filtered. The color of the lens which can make the eyes feel the most comfortable is celadon. Because celadon lens can basically assure the origianl color of things. By contrary, lens in dark brown and tawny will make the colort the scenes change a little. The color which can make eyes to be comfortable is greyish-green because basically it can keep the object's original color. On the contrary, lens which is tawny and yellow wil change the color of the objects. In terms of skin maintenance, we should choose sun cream with guaranteed quality. If sunscreen is neglected, all skin care products will be in vain. In your heart, are the functions of the glasses important or is the form important?

Stars are still the most persistent wave riders. Walking on the forefront of the trend, they are always exhibiting their loyalty and pursuit for the fashion personally. Even now it is 2009, the situation is still the same. We see that the well-dressed blue-eyed boys begin to set an example to copy from the 60's glory.

Fashion queen Kate Moss never lags behind others. She who likes to dress up in back from top to toe has got a flavor of yappy rock after burrowing a new bar of eardrums. A pair of true black vintage style randlose Brillen helps to eliminate a little feeling of being too sharp and remain the fashionable taste.

To match with this pair of sun glasses, Kate Walsh has chosen a hat which has the same retro sense. While Kirsten Dunst’s little bag which seems as if it is found in the antique shop looks pretty harmonious with the sunglasses which also come from 1960s. However, Nicky Hilton, Rachel bilson and Samantha Ronson have chosen colored ones. If you want to be different from the passengers in the streets, they are good examples.

However, if you wear the colored ones, you’d better pay more attention to the match the color of the clothes and that of the Halbrandbrille. If the exaggerating colors of the clothes are put together with a pair of colored sunglasses, you will be mistaken for a young guy that put on raree shows. Police sunglasses are not that garish; instead they are rather manly. Therefore, its vintage style only adds another two metal lines to the legs which are enough low keyed.

If you want to be more refined, choose metal frame and not so dark lenses. The most traditional style can best bear the test of time. If you want to be completely retro, you can choose the traditional vintage style Halbrandbrillen of Gucci, Giorgio Armani and Hugo Boss. As to your preference to the mark, the color (dark or shallow), all these details make sense.

Many heroes are known in the time of misfortune and many fashion things as well. The First World War created the success of Burberry's trench coat, while the Second World War brought the success of ray ban

In 1942, when American five-star general MacArthur appeared in the battlefield wearing Ray-Ban, even his enemies envied him a bit in their hearts. That year, the Ray-ban took up both the warfield and the general's face. More importantly, a storm of ray ban sunglasses blew from the battlefield to the whole world.

In fact, as early as Ray-Ban was born, it has an indissoluble bond with the military. Besides, the twenties of the 20th century is the decade of military and civil aviation developed quickly. Along with the constant development of airplane technology, new-style airplanes can fly higher and higher, but problems related to height were also produced. For those pilots, they always had headache and dizziness because of the long flying. In 1929, General MacCready claimed Ray-ban for a new style of air army glasses to protect the pilots from being influenced by the dizzy light while the clear eyesight can be guaranteed. Ray-Ban accepted the challenge and successfully developed new glasses lens which can remarkably prevent visible light.

The glasses had been put on the market in 1936. They were the glasses with plastic frames in the shape of the classic pilot glasses. This kind of ray ban warrior sunglasses was named "ANTI GLARE" at first, but this name was considered to be too ordinary, hence, the name Ray-Ban appeared. "Ray" means glare and "Ban" means blocking, after then, "Ray-Ban" gradually became the synonym for global sunglasses which could block glare.

In the late thirties of last century, Ray-Ban glasses was popular among the pilots, polices, hunters, fisher and all other people engaging in the outdoor activities. And at that time, Hollywood just began its impact on the world fashion. In the early 1940s, Ray-Ban emerged on the battlefields. Thanks to the outstanding performance of its lens, Ray-Ban became the top choice of American pilots when out for mission. Some people even call Ray-Ban as one of the heroes in World War II that Allied victory. With Ray-Ban, it allowed pilots to more easily play in the sky and in the sunlight than rivals. And even the MacArthur had become the fan of Ray-Ban, in the sunny day, he always wore Ray-Ban, we didn't know a small pair of sunglasses witnesses how many the decisive instructions were.

In October 1942, the picture of the American pilot F.W.Mike Hunter with the Ray-ban sunglasses before the airplane had been one of the most popular one by that time. Even in today's society, F.W. Mike Hunter's expression and manner also can be said as a model style. It is no wonder that so many girls dreamed of understanding the inside of the handsome man through the cool sunglasses.

In 1853, German descendant John Boss and Henry Lomb founded Bausch company which engaged in the production of eye care product. In the early 20th century, Bausch could already produce premium optical lens in advantage of sophisticated techniques and promi In 1920, at the request of American air force, Bausch developed protective goggles exclusively for pilots to cope with dazzling light up in the air. A few years later, the world's first ray ban aviator sunglasses with green lens were born. This sunglass could not only anti glare, but also anti-UV. Therefore, it was welcomed very much by pilots. In 1930, ray ban sunglassess produced by Bausch & Lomb were made as the special products by U.S. Air Force. In 1936, Bausch & Lomb will put these sunglasses to the market. In 1937, its name was changed to "Ray-Ban".

In the 1930s, the Hollywood star was like to wear dark glasses, this make the Ray-Ban sunglasses become a popular fashion accessory in America after it listed. When it came to the 1940s, Ray-ban produced sunglasses with declined light reflection lens for American air force and supplied utmost eyesight preservation for the users. During the second world war, American pilots, in leather jacket and Ray-Ban, combated across the world. Their handsome and heroic image greatly life the reputation of Ray-Ban throughout the world. Like ZIPPO lighter, after World War II, Ray-Ban sunglasses became one of the hallmarks of U.S. forces, and as a fashionable product after the war, it quickly became popular around the world.

As time passed by, the ray ban warrior sunglasses was more and more universal and gradually it changed to the necessity in daily life from a fashionable decoration. In 50s of 20th century, Ray-Ban carried out fashion sunglasses with multi-colored lens and large frames, and at the same time, series of sunglasses for female to use, into the market. In the 1960s, Ray-Ban crack-control spectacles came into being, with rough and stylish sunglasses designs. In the 1970s, the discoloring sunglasses introduced by Ray-Ban offered users clearest vision according to various lights. In mid-1980’s, Tom Cruise in "Top Gun" acted as a pilot, wearing the classic Ray-Ban sunglasses, whose style became popular in the world, set off another surge of Ray-Ban sunglasses heat. From the foundation of the brand till now, Ray-ban is always the most salable sunglasses brand. What support this achievement are the usual high quality and graceful design of Ray-ban. Bausch & Lomb consistently innovates its optical technology, making high-quality lenses become Ray-Ban sunglasses’ biggest selling point Ray-Ban glasses main are glass, they have strong shading effect . So glasses can stop the harmfulultraviolet rays fully, at the same time, they prevent the infrared ray and other harmful rays. Today's polarizing film tech reduce harm for eyes. Ray-Ban glass stand is good as the design of manufacture. No matter under any condition, it can make people wear comfortable.

Over the years, the species of Ray-Ban sunglasses are increasing, and the form three styles: traditional, modern and future series. Besides, according to different customers, Ray-Ban sunglasses are divided into gentleman, lady, sports these three types: gentleman style is modest and highly privileged; lady style is elegant and graceful; sports style is full of energy. Eternal design, succinct style and high-quality touch, become the main elements of Ray-Ban still lasts after all thiese 70 years.

It is inconvenient to wear the heavy eyewear, especially in summer which is a better season to go to the beaches. As there are some occasions that are not suitable to wear frame glasses, So contact lenses become the first choice of women instead of eye glasses. Contact lenses let most myopic sufferers enjoy convenience when they wear them and at the same time they enjoy the handsome pleasure.

However some people wear the contact lenses for a very long time,even when they sleep. In fact, do not wear contact lenses more than 8 hours per day. Some ads which publicize the long effective contact lenses on the market claim that it is ok to wear the contact lenses continuously for one week, actually such ads are unscientific propaganda. It's better for you not to wear contact lenses for the whole night, you may wear them during the day and take off them at night. However long a pair of contact lenses can last, they cannot be totally not airtight.

Mold breeds easily when cornea lacking hypoxia prolongedly, which results in infections. Contact lenses worn over night do not receive timely clean, dust and other miscellaneous substances of the air will be in the sediment,which leads to infection of the conjunctiva. Many people have the habit of siesta. It will be best for you to take off contact lenses and put them in the matching tending liquid. You may wear them after you wake up and wash your face. This can let your eyes and body have a rest and relax at the same time, and it may creat a chance for eyes to breath. Besides, it is very necessary to have a wash after waking up. By doing this, not only the impurity and dust accumulating in the eyes are eliminated, but also it is more benefical for health and eye protection.

Worse still, some people don't take off contact lenses when bathing. If shampoo or shower gel gets into eyes, they will contaminate contact lenses and cause discomfort in the eyes. Someone who taking a bath even drop contact lenses in the bathtub. Therefore, it’s advised that people should not wear contact lenses or prescription glasses when taking a shower or bath.

In addition, it’s right for people starting using contact lenses to wear less 4-5 hours a day. Once your eyes feel sore and exhausted, you should take it off at once. Gradually you will adapt to wearing it.

In the movie "Mission Impossible", Tom Cruise used a series of high-tech eyewear with image pickup, image transmit and display of confidential information. Now, a similar high-tech glasses will bring good news for millions of visually impaired people. U.S. scientists have developed a kind of liquid crystal zooming spectacles, you need simply adjust the knob on the frame to change the focal length to obtain a better vision than normal people. Scientists have predicted that this technology will open the door to development of intelligent glasses. This latest technology is the invention of the University of Arizona USA and it has now been delivered to the state Academy of Science for invention identification.

The biggest difference between liquid crystal zooming glasses and ordinary glasses lies in lens. Lenses of myopia glasses and hyperopia glasses on the market are mostly glass and resin, which means that they will have only a fixed focal length. The user would have to buy a pair of new glasses if the visual acuity become worse. The liquid crystal prescription glasses lens consist of two ultra-thin glass-coated liquid crystalline. The crystal is exactly the same as those on the computer screen. By changing the strength of current flowing through the liquid crystal, the crystal molecules can rearrange, thereby changing the crystal transparency and focusing ability.

In the identification paper the inventors said, the liquid crystal in the lens is a concentric structure. When the weak electric current pass through the lens, the liquid crystal inside the lens will occur contraction or expansion deformation in less than one second. thus changing the crystal layer thickness of the various positions, thereby changing the lens focal length.

In the trial, the model can not see the image of 30 cm away by wearing such glasses. The model can see it clearly at last by adjusting the knob on the frame, so that the focal length of liquid crystal glasses changed. Such glasses have also achieved good effect in the test for ordinary people.

Scientists predict that one day, the technology will take the place of all other glasses which are made to make up for eyesight deficiency. By adjusting the current strength, the liquid crystal lens can have a variety of different focal length effects. This means it is able to freely transfer between nearsighted glass and farsighted glass. When the electricity of the lens closed, the liquid crystal then format a uniform thickness, it will be a plain mirror.

Inventor believes that this technology will at least replace the current widespread use of bifocal glasses. In addition, glasses manufactured by this technology particularly suitable for the driver to wear in the future to increase the driving safety. New products will be absolutely no need to adjust manually and become a real smart eye glasses if we combine this technology with automatic control the strength of current technology.