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In recent years, many people who are suffering from presbyopia have selected and fitted progressive presbyopia lenses because different focuses are provided continuously on a lens. Therefore, the wearer simply use a pair of sunglasses, can see far, middle and near objects. In fact, there are some tips for wearing a progressive lens. Progressive eyeglasses for many people are convenient, but there are a lot of people who first wears at the beginning feeling a bit difficult to adapt to.

Firstly we should first know the principle of a progressive lens if you want to wear it in a comfortable way. A pair of progressive men sunglasses with precision should have played different roles while in the different regions of lens. For example, the wearer is the location of the pupil, is used to see distant objects will be accompanied by far with degrees; to clearly see distant landscape, the wearer must be goal-oriented, then straight to look to the former.

The place of lower lens is for viewing nearly, and provided with such degree. When the wearers are reading or viewing articles at near distance, they can make their heads forward slightly, and keep theirs eyes seeing downwards to utilize the lowest part o What should be noted is that the diopter of both sides of the lenses will gradually change. If the wears only rotate the eyes form right to left to see the objects, the objects will blur or distort. That is why many first wearers feel fatigued. Moreover, computer users used to prolonged use of computers and read the papers so that they will have more large demand of middle and vicinity.

Progressive lens eye in close-range is usually narrow, not suitable for such a long time to read generally. In the case of the degrees of presbyopia or above 175 degrees and often need to look at almost anything in the indoor, then they could think over fitting a dedicated, the close of the progressive lens.

Even though, it not to suit sunglasses frames looks the distance, but it has a wider optical zone in the design, the effect will be more satisfactory. Who are easier to adapt to progressive lens do? In general, the more the degrees lower, the more the people are easier to adapt. When presbyopia reached 100 degrees, you should consider wearing a progressive lens, or will be a longer adaptation period in People’s short sights about 200 to 800 degrees are also easier to adapt to those. Compared, some people with slight myopia or hyperopia need more time to be familiar with progressive glasses.

But not all of people are suitable for wearing the progressive glasses. If the degree’s distance between two eyes is too great, the wearer will feel very exhausted easily when he focuses on watching something. When fitting the wearer progressive glasses, you can ask for advice from your optometrist to assess whether you are suitable for a gradual wear glasses, and selecting the most appropriate design regard to your degree and the function that fit you. After the fitting, you should not forget to adjust the frame position frequently, because the position deviation can also greatly influence vision correction effect and vision.

When fitting presbyopic glasses, you should conduct comprehensive examination for the eyes of the old people, including distant vision, near vision, refracting media, and eye fundus, especially observe whether cataract, glaucoma and eye fundus diseases ex

Distance vision is above 1.0 but near vision is below 1.0, just need to correct near vision, if cataract results in the distance vision, when you correct it, near vision must be to measure the distance vision as the standard.

Today, more and more people have started to wear tinted optical and tinted eyeglasses with diopters. In fact, people who wear optical eyeglasses seldom know how to choose the color of lenses in a right way. Here are some opinions about how to choose the lenses color for your reference.

A large amount of customers ought to choose grey or graduated lenses in the first way. Their transmission for many spectrums of the visible light are almost the same. Tawny lenses are another good choice, It is better to looking into the distance by wearing it. The laurel-green lens can make people happy and help to ease fatigue. Lenses of different types of light colors can show marvelous effects by corresponding with your clothes and make-ups.

Some colors are used to protect the industrial workers’ eyes. For example,

Dark red is used by X-ray medical personnel,
Yellow lenses enable shooting athletes to see clearly even in foggy days.
dark lenses are always used by electric welders.
Blue lenses are for steelworkers to work beside high temperature furnace.
Some work demands highly on vision, color and distance seeing. Some works need a good sense of sight, mainly focus on eyesight, colors and distance. What consequences do so if not to have?

What will take place if they don’t do so?

Purchasing optical, people should choose the normal manufacturers and the productions which are produced by the certain famous enterprise. Because fake products and low-qualified ones usually haven’t qualified the inspection, and their quality can not be guaranteed, Such glasses not only can not protect our eyes, but also do a great harm to our eyes when wearing for a long time. Then how to distinguish the ture and false famous band sunglasses?

In fact, it's quite easy. The optical eyeglasses are different from fashion and bags which has their own type and color code. These codes are set by manufacturers. If the style and the model of the product do not match the product model on the authoritative website, of course it is the counterfeit. Through this way, those self-prepared types of fakes can't hold water and are forced to let the cat out of the bag. There is another possibility that bad-intentioned sellers have taken the genuine pictures of others as their own, But the products that buyers receive are similar but fake ones. So, it is better to select sellers having picures in kind or better public praises.

Another way to distinguish the genuine from the fake is to check whether the sellers provide the certificate of the sunglasses. There are lots of famous glass brands in Italy, and there are lots of glass producing companies known by the world, too. Safilo Group is the biggest glasses manufacturer in the world and its headquarter is located in Italia. All the top class famous brand sunglasses in general are their products. Brand-name glasses such as Burberry, Dior, Gucci, Armani, Valentino, and YSL are all manufactured by Safilo. They control the distribution channel strictly and don't allow productions of being wholesaled at random.

In the United States, only the national qualifications related shops can purchase goods from the safio, and there will be professinal persons supervising sellers and patent stores, not allowing to take hostile competition by reducing prices. Each pair of Safilo optical glasses will accompany by a certification when leaving the factory, so we should say that the ones which have been made by Safilo without certificates are fake ones. Finally, it absolutely does not mean that expensive items are genuine ones, people should also abstain from being seized by someon due to such psychology.

It’s very inconvenient to wear heavy optical eyeglasses, especially in summer when people go to the beach. Frame glasses are not suitable in some occasions either. Therefore, contact lenses become an alternative for frame optical glasses to women. Contact lenses give many short-sighted much convenience as well as a lot of beauty.

However, some people wear contact lenses for too long time and even don’t put off them when sleeping. In fact, contact lenses should not be weaing more than eight hours. There are long-acting contact lenses advertisements on the market which says you can wear contact lenses for one week continuously. They are actually unscientific propaganda. You had better not wear contact lenses over night, and wear them in the day and put off at night. No matter how effective contact lenses can last, they can not meet full ventilation.

It's easy to let the leaf mold have the opportunity of growing and then result infection. As the contact lenses is not taken off at night, it can not be cleaned timely, dirt like dust in the air may accumulate on the contact lenses, which may easily cause conjunctiva infection. 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. It will give the eyes the same rest and relaxation as body, as which creates opportunities for eyes breathing happily. It is necessary to wash after waking up, impurities and dust in the eyes will be cleared out, which is more conductive to health and eye protection.

Some are wearing contact lenses when taking baths. Shampoo and bath liquid will immerse in the eyes which will pollute the lenses and cause eye irritation. Some people even drop their contact lenses in the bathtub when taking a bath. Therefore, when you are taking a bath, you ought to take off your contct lenses or men sunglasses,

In addition, it's still to be mentioned that people who just wear contact lenses should not wear them for a long time, it will be suitable to wear them for four to five hours. Once you fell the eyes tired, immediately remove contact lenses and gradually adapt.

New Era hat has always been an essential source for fashion goods, no matter what style of clothing, as long as have courage to try, always with a unique feel. Such as the "ROSEWOOD" and "POST" series limited edition of New Era hat have always been a catch and received the unanimous praises. New Era often cooperates with other brands to introduce its unique products. Now, let`s appreciate the products as follow.3 Bad Usual Practices that May Bring Ruin to Your Prominent ray ban Head Porter Plus (the brand company under the control of Japanese popular bag brand) cooperated with New Era (the renowned hat brand in America) to market Work Cap. Attention! a Large Selection of Smashing ray ban sunglasses for All Budgets The launch of the Work Cap with a flat top design, the cap on the left you can see the trademarks of New Era. Which caps the overall shape is simple and comfortable, at present there are three colors of black, gray and purple. "Keep Watch" has been a classic series of New Era. With the playoffs approaching, the streets brand of New York cooperates with the New Era brand Mishka once again to launch the playoffs version of "Keep Watch" Cap. As usual, the play-offs version [Keep Watch" adopts bold & exaggerated eyeball as the design key. And add real basketball exterior leather building, which makes the theme of this style of single-eye caps more conspicuous, loved friends could pay more attention to this.ray ban sunglasses Gifts for 40sBesides, New Era has launched out a new type of canteen Sigg by cooperating with the famous Swiss brand on sport canteen. The new products were made of high quality's aluminum materials. They launched two series totally, whether the hip-hoppers or other fashionable figures can consider them. The designer Staple, who achieved mushroom-reputation through his dove design, cooperates with New Era to launch the newest New York dove series 59FIFTY flatting eave cap this time. Besides the gray and black, the classic stripes elements should not be missed. The two hats cooperated by New Era and Reasons absolutely attract your eyes, while the floral - style hat can be said to overturn the tradition of movement thoroughly with fashion flavor.New Era in addition to, and these brands to launch more innovative products to attract consumers, but also introduce more new products alone. Currently, New Era`s Japanese branch EK by New Era will launch the new top hats in spring and winter of 2010. This launch of hats took on a completely new look of New Era's image, breaking the sense of movement to show a mature style of a gentleman. Hand-woven material suits more for summer, the colorful ribbon on the hats have a great sense of fashion trend. There are three colors for you to choose from golden, black to khaki in this series of gift cap, which can match each other in different occasions.

In 1853, the German-American Jone Boss and Henry Lunbo created Bausch & Lomb company which was specialized in the development and production of eye care products. Expert shopping Tips: rx sunglasses To the early 20th century, Bausch & Lomb had already made mass production of high-quality optical lenses by advanced and superior technology. In 1920, the U.S. Air Force appointed Bausch & Lomb to develop a kind of special goggles for pilots to combat the dazzling glare high in the air. A few years later, the first pair of green lens sunglasses in the world emerged. This kind of glasses can prevent both glare and ultraviolet rays so that it is favorite among the pilots. In 1930, goggles produced by Bausch were listed as exclusive outfit of American air force. In 1936, Bausch put it on sale in the market and renamed it as Ray-Ban.Two Days Ago Reese Witherspoon was Criticized for Wearing prescription sunglasses In the 1930s, it became increasingly popular for Hollywood stars to wear sunglasses, which made Ray-Ban favored by the Americans as fashionable accessories not long after its being on the market. Go prescription sunglasses which Jennifer Lopez Love most In 40s of C20th, Ray-Ban produced many sunglasses with declining and light-reflecting glasses. That protect the views of users. During World War II, American pilots dressed in leather jackets and wearing the novel Ray-Ban sunglasses showed up all over the world. Their unrestrained and handsome image greatly enhanced the Ray-Ban sunglasses' popularity in the world. Like ZIPPO lighter, Ray-Ban sunglasses also experienced World War II, has become one of the hallmarks of U.S. forces, and after the war, it became fashionable product, quickly swept the globe.As time passed, sunglasses became more and more popular. And gradually they became the essential products in daily life from fashionable accessories. In the 1950s, Ray-ban brought out fashionable sunglasses with colorful lens and big frame into the market and it brought out female sunglasses series at the same time. In the 1960s, Ray-ban crack control lens emerged. Its style was designed bold and handsome. In the 1970s, Ray-ban brought out color change sunglasses which could supply the clearest visual feeling for the wearers under different lights. In the mid 1980s, Tom Cruise wearing the classic Ray-Ban pilot sunglasses in "Top Gun" won the universal appeal and set off another Ray-Ban sunglasses heat. Since its establishment, Ray-Ban has been the world's best-selling sunglass brand. It is its consistent high quality and elegant design that makes it possible. Bausch & Lomb Company constantly renovates its optical technology, which makes the high quality spectacles become one of the biggest selling points of Ray-Ban sunglasses. 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. The now used polarizing film technology released much the harm to the eye caused by rays. The frame design and manufacturing of Ray-Ban is also brilliant and makes people feel cozy in whatever situations.Over the years, the variety of Ray-Ban sunglasses is increase, and forms traditional, modern and the future three styles. Besides, according to various consumers, Ray-Ban sunglasses can be classified into three types as gentleman, lady, and sports: the gentleman style is steady and elegant; the lady style refined and graceful; the sports style filled with sun and vitality. Consistent design, concise style and high-quality favor are doubtlessly the important elements behind Ray-Ban`s prolonged prosperity in the past 70 years.