Contact lenses, whether colored or colorless, should not be seen as beauty products, remedies and medical supplies. If not by the ophthalmologist or optometrist eye preparation Ray Ban Wayfarer Polarized glasses, wear vision may have been seriously affected and even blindness.

Color contact lens itself has a lot of flaws:

Generally speaking, in the evening, pupils usually extend to the human eye, and sometimes even larger than 6 mm. Germany, a study found that long-term wearing these color contact lenses, night-vision scope and clarity might be affected. In fact, every year the national eye Centro will have received many cases of eye disease due to wear contact lenses. Among them, there were 20 to 30 people but also because of the risk of serious ulcer of the coea, and must be hospitalized; a fraction of these will also have a coea transplant, to keep my vision.

Wear colored contact lenses without clean, improper storage, invisible Cheap Ray Ban Sunglasses wearing swimming, or continuous wear contact lenses for a long time, it can lead to eye disease.

Recently popular color contact lenses eyeglasses so that many in the fashion-loving flock, while this colored lenses may cost less, color diversity, but would cause great harm to the eyes.

According to the study, vision, vision, luminance of colored contact lenses, wear comfort EVALUATION results showed that at night, when there is insufficient light, color contact lenses eyeglasses caot allow the wearer to maintain normal vision, not just for personal injury, car or sports, are more likely to hurt the iocent.

Eye specialist advice, colored contact lenses must be approved by the professional eye before wearing, especially since color invisible Ray Ban Outlet sunglasses only central location between 4 and 5 mm colorless, their exteal color is translucent, not so good fitting work, pupils may be partially masked by tinted, vision and eye fatigue.

Sunglasses in the summer heat for life is indispensable, is a luxurious choice of sunglasses, because sunglasses different colors, we must choose according to light intensity. Ray Ban Wayfarer Glasses depth of the lens should also be not the same.

1, travel time, gray and green is better

Designed for the traveling lenses that are basically made of plastic material dyed，At this point, should be able to pass through the lens sunglasses 30% of the visible light, gray and green for the best, because these relatively soft colors, when looking at the scenery outside does not change color, but also resist ultraviolet radiation, to ensure visual clarity is the best condition, the color change through exteal objects is also the smallest.

2, the driving, the most suitable to wear tinted sunglasses

Brown lenses can absorb light in the violet , blue , can absorb almost 100% of the ultraviolet and infrared, can block the smooth and shiny surface reflects light , wearing glasses can still see the subtle part , is the ideal choice for motorists . So, for car owners, it must not be less so a professional driving sunglasses.

3. with 35% under the sun suitable depth Ray Ban Wayfarer Polarized Sunglasses

The color sunglasses into four types according to the depth, respectively, 15 %, 35 %, 50 % and 70% . 15% of the depth of the most shallow , suitable for indoor wear , especially for people with prescription eye , can avoid the trouble of removal and wear ; 35% of the depth , suitable for use outdoors in sunlight ; 50% of the depth of sunglasses , can under the hot sun or beach wear ; while the depth of up to 70% of sunglasses is not commonly used in everyday life , are generally used by welders and other professionals .

4. Outdoor sports, pick professional polarized sunglasses

During sea or skiing and other outdoor sports, wearing sunglasses block the glare must have a function, for example, coating polarized sunglasses. In order to filter the sun shone on the water, land or snow equality dazzling light direction , perpendicular to the direction of the lens is added a special coating that can be messy radiation outside light, scattered light, water shimmering light filtered into the soft lines , so that they no damage to the eyes . Professional polarized Ray Ban Outlet Sunglasses for outdoor sports such as Seaside , skiing or fishing use, but normal daily life, especially in the car , was not applicable because it but will let you see clearly .

Sunglasses, there's a choice of excellent, and can choose sunglasses not only to UV, and outstanding personal qualities. What about summer how to select Ray Ban Outlet sunglasses? Temperament pushed several prominent individuals below the eyes for your reference

Front wide 1, glasses, round; mirror on the foot of vintage style hinge decorated with metal olive and the typical, most cute girls love. This rich variety of color selection of glasses, including bright red paired with gradient Brown lenses, bright white paired with gray gradient lenses, light and color, light grey colors Havana gradient green lenses.

2, cool metal frame and metal frame sunglasses--sunglasses model proposal, strongly neutral style. Handsome, full of interracial relationship or spice close-fitting dresses with metal frame sunglasses are matching!

3 focuses on the head with short hair, Hair Point rock style made a pile of messy hair and suit Cheap Ray Ban Sunglasses to show ROCK style.

4 mask sunglasses large enclosed goggles style glasses highlighted frames and lenses of contrasting color on the front.

X 5, Fashion Point white t-shirt, black, diamond trim vest light drill and rivet decoration for classic interracial relationship into a bright light.

6, gray, green, and Brown to the human eye is good, and bad too deep too shallow. In General, the best choice for Brown in the summer and tinted lenses, and outdoor sunlight more strongly, should choose the dark sunglasses. Partly because of these colors lenses for glare, UV-absorbing and filtering a good and on the Brown lens can provide good color sense perception, to clearly distinguish colors after wearing, tinted lenses can block the smooth shiny surface of the rays, under the glare of the Sun to be able to see details of objects, driver's best choice for tinted glasses. Green glasses have sold well in the market, could reduce the extent to which visible light enters the eye, especially dark green, can absorb heat. While blue, pale yellow and pink lenses are not suitable for bright light to wear, because of their anti-reflective power is relatively weak. Black glasses are likely to occur because of poor traffic signal recognition of traffic accidents.

Buy Ray Ban Wayfarer Polarized sunglasses have to go to regular stores. At the time of purchase, packaging has to look for "100% UV", "UV400", "UV" and logo.

Summer sunglasses favored by many people, especially young female friends, but sunglasses options to bring attention to you, for consumers about how to choose sunglasses? In fact, Ray Ban Sunglasses Outlet of choice also has certain standards.

Good sunglasses, first of all, there should not be any number of degrees.

Now market Sang of some inferior of Sun mirror due to using of material and technology are not meet standard, so led to part Sun mirror a production out on with degrees, this degrees is small, General easily was perceived, have if long-term wearing also will hurt we of eyes, that the do does? you can found a with Word of book or is newspaper, you also can will mirror away from body upper and lower mobile, if found distance level objects beats, also proved Sun mirror is has degrees of, this class of mirror certainly caot select.

Identification of the selected note view UV sunglasses

If Sun mirror in production Sui joined has anti-UV of material, so it is has anti-UV features of Ray Ban Outlet Sun mirror, such of mirror sold Sui General are has UV of identifies, but due to by currently of processing technology by limited, Sun mirror anti-UV features Supreme can reached 97%, fundamental up not to 100%, so dang you see has UV100% identifies of Sun mirror, actually is name inconsistent real of.

How to detect non-polarized lenses light transmission problems?

Visible light transmittance of Sun glasses in China not provided, so must rely on the naked eye, transmittance requirements put on after a good, but you could see their eyes; but whether polarized or non-polarized, good sunglasses should also be suitable for you, what does that mean?, alone with not only comfort, others look at whether this is standard.

Select note lens material-resin sunglasses, glasses

Judgment Sun mirror whether anti-UV, except see it has no UV identifies outside, you also can see lenses of even box edge whether is smooth of, edge smooth of for resin material of lenses, this lenses anti-UV of features strong, wave type edge of lenses General for glass material of Ray Ban Wayfarer Polarized glasses lenses, this lenses not only anti-UV features poor, also easy in installed Sui produces degrees, on we of eyes is harmful of. How to differentiate between the lens materials is the resin or the glass? Distinguish method: is a resin piece or pieces of glass can be seen on the severity, resin light, glass, or you can tap with your hand, listen to sounds.

Sunglasses have become something of a cult, whether child, middle-aged, elderly people are likely to wear Ray Ban Sunglasses Outlet, sunglasses can not only against ultraviolet radiation, and it makes people more beautiful. Consumers not only want to know wear sunglasses, but also know how to choose Sun. How to choose sunglasses?

How to choose sunglasses?

Choosing the right sunglasses categories first and understand the function.

Sunglasses are divided into shade, light microscopic, special purpose sunglasses three categories. Regular sunglasses will be indicated on the sign sunglasses category. Sun mirror is used primarily as a protection against the Sun's rays, stronger in light of an outdoor venue, in the suy days of summer, spring and autumn especially when on the beach or go for an outing can help reduce eye fatigue caused by adjusting or injury caused by strong light stimulation. Light mirror on the sun block, less suitable for outdoors in the winter, spring and autumn cloudy and windy season, the role is appropriate to block light or wind, dust, can also be used for decoration. Special purpose sunglasses are to wear sunglasses when you climb or slide.

Ready to buy sunglasses for friends, pay attention to the following several points, the right choice of sunglasses:

1. To know buy Ray Ban Wayfarer Polarized Sunglasses for the purpose of different types of sunglasses have different valid places and populations. Buy sunglasses visor first of all make sure your purchase is for the purpose of decorating is also equipped with clothing, in addition to Sun UV functional requirements, security has no special requirements for lens, only these purposes, combined with style and I face the practical effect, appropriate to buy a pair of sunglasses.

2. To disce sunglasses lenses to the intrinsic quality of the basic skills

(1) The lens color is not partial, should enable the ambient color distortion. In front of not wearing sunglasses, to observe the color objects such as red, blue, green, yellow and wearing sunglasses, observing the same object twice observed color is not the color, otherwise it will reduce the capacity to identify the traffic lights.

(2) The lenses degrees shall meet the requirements for the Plano lens and optical defects that do not affect vision. Like sunglasses to check whether the surface smooth, easy identification, sunglasses can be placed at the front, through the lens to observe the distant goals, such as window frames and door frames, glasses and going back and forth, goals should not swing and wavy deformation. Observing the Sun in a fluorescent lamp lens tube on the surface of the mirror image, move the sunglasses the lamp images show up in different parts of the lens, lamp images without distortion is the best.

3, the right choice of sunglasses to lea to read product identification

'S commitment to the product on the label, consumers may need to lea how to protect themselves, or save the label or description or let the businessman indicated on the invoice, once a dispute, would not be passive, for lack of evidence.

(1) about security performance of identifies has security performance of Sun mirror, its lenses used such as PC tablets, anti-shock of material produced, in label and manual Sang often logo Sang "has anti-shock performance", and "through United States FDA certification", and "meet Europe Supreme standard" wait, if products can reached identifies Sang of requires, on motorcycle hand, and driver, on security has special requires of consumers for, is a is good of select.

(2) about anti-purple outside features of identifies a Deputy Sun mirror whether has anti-purple outside of features, we caot with eye distinguish, factory on products of express commitment is consumers purchase has protection features Ray Ban Outlet Sun mirror of only of reference, we can in some products of label and glasses positive see such as: "100% anti-purple outside", and "UV400", and "barrier all of UV", and "anti-purple outside", express identifies. All regular suppliers of products should be "national industrial product manufacture license" by querying the production license number manufacturer's Web site to see whether the product is a regular factory product.

Sunglasses are now a lot of people dressing up fashion, blocking ultraviolet rays, sunglasses mix has some excellent, why do some people wear sunglasses to look good, while others wearing Ray Ban Wayfarer Polarized Sunglasses that look good, that we must lea to mix sunglasses, matching sunglasses better following a simple introduction.

Different face shapes with different sunglasses

How to customize sunglasses better? sunglasses, edgy and trendy styles in the hot summer of course everybody loves, but selecting the sunglasses also have preferential access to, depending on your face shape and features shop style, or lack of landscaping don't say, destroying the eyes was the candle out.

Rounded face frame slightly thick and eyeglass color cool, dark sunglasses, there are "tightening" face of Visual effects. Bright yellow and Red lenses or frame lines were fine and soft Ray Ban Wayfarer Glasses will face set off even more.

Face people should choose a wide circle or a curved mirror, large mirrors to weaken a long face and thin legs. Long thin faces are generally higher than the skiy, choose feminine pink or red wine glasses, can increase the brightness of the face.

Tiny face more suited to someone wearing a thin frame or frame-less glasses and elegant choice of lens colors such as blue, purple, light brown, will have unexpected results.

Square faces should use the next four coers is a small round sunglasses thin frame, too big and too square picture frame will only make your face look more lenses color solid Brown is preferred.

Smaller amounts on jaw slightly wider faces should use the frame over the thick, dark, horizontal width slightly wider glasses to adjust the ratio of upper and lower, visually give balanced feeling.

Triangular face suitable for use lenses lighter, thier metal frame or frame-less glasses, in order to weaken the weight of the top face so that the already wide face more sense of expansion.

Above is the introduction about how matching sunglasses better, according to face shapes with different Ray Ban Outlet sunglasses will have different effects.

Sunglasses streaky wanton in the market right now, in the face of a wide range of sunglasses, a lot of people don't know what to choose. Experts remind you choose Wayfarer Ray Ban sunglasses are best when they are yellow, amber or black lenses, instead of blue, and to minimize any Blue-ray of sunlight enters the eye....... Below is specific to user asked, "How to choose sunglasses?" Do a simple introduction.

How to choose sunglasses?

Both men and women, most people should not wear blue sunglasses. As they grow older, the photosensitive retinal cells in the compound will be more and more, whereas the Blue-ray of sunlight will activate these compounds in the retina, promoting the release of harmful free radicals.

"We see the light is white, but in fact this white light contains a variety of different colors of light, like a rainbow of light. Blue-ray part of the spectrum of wavelengths can activate these compounds to the maximum extent. Such a phenomenon is like damaged retinal cells of the oxidation process. ”

"The blue lenses actually picked out harmful blue light, but you want to avoid Blue-ray. Yellow or amber lenses filter blue light, reduced eyes Blue-ray, and that is what you want. "When choosing a Cheap Ray Ban Sunglasses, black lenses are also a good option, because black lenses to reduce eye contact with all colors of light.

Doctors advise how to choose sunglasses? A qualifying pair of sunglasses requirements can effectively filter ultraviolet rays and with good transparency. Inferior sunglasses UV filtering ineffective can cause eye irritation, tears, but also because the poor transparency of the lens, resulting in distorted vision, headaches, dizziness, unclear vision and other symptoms.

Above is on "how to choose sunglasses" brief introduction. Selecting sunglasses UV protection is the primary function of sunglasses, if not block UV rays is wearing poor-quality sunglasses, entered the eye of UV more than when not wearing Ray Ban Outlet sunglasses, more likely to damage the eyes, there will be eye pain, edema, coeal Epithelial Defects and other symptoms. You want to attract attention.

Contact lenses have now become a fashion, but contact lens wear is more complex, not only is wearing, or makes contact lens care, attention to eye health, etc.; otherwise it will cause a series of eye....... Below please Eye Hospital experts for the people in the "right to wear Ray Ban Wayfarer Glasses approach 'to do some introduction.

Contact lenses are wo on the coea, it all the time in contact with the tears and ocular secretions can easily lead to protein, microorganisms deposited on the lens, if not clean, over time it will affect the transparency of the lens, and can easily become the eye disease source of infection.

Contact lenses care is very important. Contact lens care in the inteational series are mainly hydrogen peroxide and multifunction series, in which hydrogen peroxide series has potent bactericidal efficacy, can destroy harmful microbes to the eyes, and in and thorough. Protease added ingredients can effectively remove the protein on the lenses.

The correct way is what to wear contact lenses

1. The lens inside the higher water content, the more likely the protein deposition; lens wear longer, the more protein deposition. In order to protect the eye, invisible Ray Ban Outlet Sunglasses use the shorter the better, but should be thoroughly cleaned and disinfected.

2, in the matching contact lenses, must first select a full range of optical shop to avoid incomplete varieties consumption for commercial reasons rather misleading

3, no special circumstances, contact lenses should not be wo oveight.

4, matching suitable varieties to audition prevail, if foreign body sensation or vague, ask the shop to replace it.

5 note the contact lens packaging date and sealed tight to avoid shoddy.

6, contact lenses for high myopia, high anisotropic patients more convenient, but the dust in a dry environment or engage in excessive occupations not matching.

Above is about the "right way to wear contact lenses is what" introduction. Contact lens wear is more complex, it is recommended the students to the main frame glasses to avoid stealth Ray Ban Wayfarer Polarized glasses, wearing improper eye.

Contact lenses are different from glasses, contact lens wearers there are excellent, and the main thing is to do a stealth Ray Ban Wayfarer Polarized glasses of the care, attention to eye health, avoiding contact lens dermatitis caused by wearing improper ... ... ... Requested below to "wear contact lenses note what" do the introduction.

Wearing contact lenses should not be long wearing

Wear contact lenses note which? To wear contact lenses should not be wo for a long time. The human coea is covered in a thin, transparent film on the front of the eyeball, is colorless transparent normal coeal membrane tear form a thin film on the surface, and it is highly smooth and shiny. Under normal circumstances, the coea is chemical oxygen, oxygen need to 70% per cent from the air, the rest from glasses of water supply. Experts, the coea absorbs oxygen, starting with oxygen dissolved in tears, and breathing of the coea. As a direct contact between contact lens and coea, coea, like her previous masks, breathing is not so clear.

The wearing of contact lenses has strict time limits that came from this reason. Expert advice, even 24 hours to wear contact lenses, it's not necessary to wear 24 hours, after all, it can affect the coea to breathe. Generally, doctors recommend myopia only when there is a need for Wayfarer Ray Ban glasses, such as work or going out wear, home to replace, or Exchange for glasses wearing contact lenses a few months, to coeal enough breathing space.

Wearing contact lenses you want to pay attention to health

Wear contact lenses DOS what? Wear contact lenses have to pay attention to health. Dust pollution itself cleaned is not clean or contact lens dermatitis can occur, it is because the tiny particles once existed between coea and contact lenses, is likely to stimulate the coea causing its inflammation. As for contact lens care solution, mainly washing glasses used cause dermatitis if the situation arises, may be the solution due to conditions such as contaminated.

Above is the "wear contact lenses note which" presentation. Due to the use of more convenient and beautiful traditional glasses, contact lenses become not less myopic necessities. This phenomenon not only in Hon Kong, Singapore and other places, in the vast majority of the city is no exception. Remind consumers that wearing Ray Ban Outlet sunglasses in particular, improper cleaning does have the potential to cause dermatitis.