Sunglasses essential features are: reduction of glare stimulus, to see clearly without deformation, UV, Cheap Oakleys Sunglasses color recognition traffic signal distortion, accurate identification. Poor quality may occur if acid expansion, dizziness, eye color illusion, walking to see the symptoms of inequality. Shop for sunglasses, the most fundamental principle is to ensure that the wearer's vision health, followed by styles.
1, a clear buy objective:
Sunglasses sold on the market today there are two major categories: visor mirrors and tinted sunglasses. People usually want to control pupil size in the sunlight to regulate the luminous flux, when light intensity exceeds adjustment ability of the human eye will cause harm to the human eye. Visor mirrors can play the role of the Sun, to relieve eye fatigue caused by adjusting or harm caused by strong light stimulation. Light colored sunglasses are popular varieties in recent years, mainly for decorative effect. Due to its colorful, rich, fashionable and diverse, favoured by young people, fashion women's love, plus more. But if not used scientifically would bring adverse effects to the consumer. Such as long-term wear a certain color of glasses can result in eye fatigue; if glasses such as visor mirrors, visor has not only failed to effect and could also damage the eye.
2, read the product identification (with anti-UV features selected performance Cheap Oakleys Frogskins Sunglasses Outlet sunglasses, safety protection):
About the features of UV-ID: ultraviolet refers to wavelengths in the 200~380nm of the Sun's rays and consists of 3 types: UVA wavelength for wavelength for wavelength of 315~380nm,UVB 280~315nm,UVC 200~280nm. Of the solar light reaching the Earth's surface (290~2000nm), ultraviolet radiation accounts for about 13%, which 97% UVA, UVB, 3%, UVC is close to 0. UV damage to human eyes mainly on ultraviolet radiation and radiation wavelength, intensity and self-defense mechanism of the human eye, strong or weak, UV damage to the cornea, crystalline lens is most commonly the eye tissues, solar keratitis and corneal endothelial damage, eye diseases cataract is related to most the Sun. In order to protect eye health, you can choose sunglasses with UV capabilities, eliminate the below 380nm ultraviolet rays.
About security performance of identifies: has security protection performance of Sun mirror its lenses used such as PC tablets, anti-shock of material produced, in label and manual Shang often logo Shang "has anti-shock performance", and "through United States FDA certification", and "meet Europe Supreme standard" wait, if products can reached identifies Shang of requires, on motorcycle hand, and driver, on security can has special requires of consumers is a is good of select.
Shading to be consistent with the intended use of the lens: lens shading option may be required should be seen as a place of, and occasions for different light sources, color will affect the lighting effect of the lens. To make sunglasses can effectively block the summer glare, glasses of color should have enough depth, but a bike or motorists do not select Discount Oakleys Flak Jacket Sunglasses Cheap lens color is too dark.

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1, casual, fresh
Reviews: a bunch of messy hair naturally, pay attention to let the hair should not be too close to the head that would be too rigid boring, in order to increase leisure bloom try to make sense of clutter. Matched with Leopard print glasses, breaking is quite dull image; the effect is even more special, more refined.
Comment: natural silky straight hair, counter to the stop method can be used to make hair slightly loose and natural, cosmetic face role, easily create a delicate face effect, matching Brown thick glasses, leisure, and is a good match to go shopping and appointments.
Comments: fluffy little curls, has expanded the head weight, feel like cartoon character cute head hair tied in pigtails, head position is more docile and neat, hair disheveled elegant, more modern. Equipped with black boxes, white-rimmed glasses, reducing the lovely composition, more personalized image shown, very charming.
2, mature, able to send
Comment: bundle up her hair, braids on the head downwards position tie, then in a bun shape, the model can be more casual nature, friendly image. Show full forehead, mental aptitude, felt that people can trust. Coupled with elegant Cheap Oakleys Radar Sunglasses Discount glasses, feels mature aptitude, not too old and boring, is the choice of the working population.
Comment: able short hair, mature, not old, hair blown in with Bob in the Middle, but never too much, or too unreliable. Accompanied by dark glasses, bring out the charm of intellectual beauty, smart and capable. The dark glasses really wild, you can use.
Comment: elegant roll curly hair, slanting bangs, make people feel dignified maturity. With black thin-framed glasses feel able and reliable glasses Flash drills decoration on the side is the color of the highlight, makes the overall image is less boring and more dignified maturity. This dress is absolutely perfect mix of white-collar; customers are like girls and talk about business.
3, playful, cute
Comment: twist hair into two braids, is a very cute costume but when not handled properly can easily become country bumpkins. But after plus black thick framed glasses, edgy cute image soon came out; really do not require much skill, very convenient. Autumn and winter weather coupled with the Red Hat was the color out, red and black mix cool.
Reviews: micro-volume natural long hair, bangs don't cover the forehead, so that more-cosmetic face. Combination of big thick framed glasses, face very delicate, very cute, very packed tender effect, now a few years younger, like going back to the school year. Fall/winter season on Red Cheap Tiffany and Co Necklace Jewelry Outlet Hat is also a good choice, seem more playful pink.

As accessories, eyewear fashion matches have become an indispensable element. However, when wearing Discount Oakleys Flak Jacket Sunglasses Cheap glasses, how do your makeup? Maybe some girls would, as usual, or think of makeup, it wouldn't obviously so they don't even. In fact, wearing glasses, you can be even more beautiful than usual! Because the glasses frames, lenses, to go with a different temperament, so that you can show a different side of it!
Exclusive eyewear beauty makeup
Point 1 pair of glasses box is rough box/dark box/plate or a small box/no box/gold wire edge?
Thick box/dark box/plate: as the dark thick frame glasses would strengthen the impression of eye, itself with a certain emphasis, underlining eye makeup so it makes the overall effect exaggerated or inconsistent. Recommended when you wear these glasses may downplay the eyebrow makeup and adopt more natural eye makeup, paint eyeliner as thin as possible, and use clear-curling mascara.
Thin frame/frameless/gold wire edge: thin light box or rimless eye glasses not to emphasize the role of, on the contrary, most myopic Cheap Oakleys Frogskins Sunglasses Outlet glasses will make eyes look smaller, so when you wear these glasses, and need to focus on the eyebrow makeup magic, and strengthen the eyeliner, eye shadow SUMI. -Thick curling mascara recommended.
Point 2 you about eyebrow to his chin in the lens height one-third height?
From fitting face of angle see, generally, most suitable of lenses height (frame height) about for eyebrows to Chin distance of one-third, but if you wearing of glasses slightly big or slightly small, also can through Gill red to build different impression: frame height is greater than 1/3: for such longitudinal site more wide of frame, can appropriate desalination eyebrow makeup, and improve Gill red of location. If necessary, blush can be applied to a frame range. Frame height is less than 1/3: a narrow vertical picture frames will make your cheeks look longer, make-up depicting a flat brow, with a blush on the cheekbones painted circles.
Point 3 you know these 3 glasses beauty makeup tips?
1, during the course of makeup, glasses several times confirmed makeup.
Part 2, to the nose close to the Tiffany and Co Key Necklace Jewelry Outlet glasses frame apply concealer; can largely prevent the glasses left a mark.
Note length 3, brushing of mascara to avoid lashes swept into the lens.

Resurgence of classic big box eyewear popular
If you now think that eyes big box is old, so now you'll be too corny. From today's Johnny Depp to Jay-z, still had Andy Warhol with Malcolm x, who is a fan of big box lumber eye.
Tips for wearing big Fake oakleys frogskins sunglasses cheap for sale glasses
1. We are here to talk about King Size sheet box, instead of metal or dainty glasses. If you choose an oversized sheet box, please become the focus of people talking about readiness.
2. If you're ready to buy the first pair of glasses in my life, it's best to choose the mean number of designs. If this is not the first time, you can take the Woody Allen glasses course.
3 even if you did not buy the most beautiful spectacles glasses shop, nor does it mean that you wear suitable.
Black eyes are the most important style
Since the Buddy Holly 50’s of the last century, black frame becomes very rock!
If someone says they wear large frames are idiots in the world, then the world is boiling because, even Justin Timberlake was selected big box eye.
Glasses box van
Even though we have now is a fan of oversized glasses, but when you wear, there's a right and wrong way. 1965 Michael Caine Wayfarer-style glasses mix white Oxford shirt, black tie and black eyes, echoing his clean costumes and the 60’s fashion idol.
Examples of errors
1982 Michael Caine chose to these Cheap Oakleys Radar Sunglasses Discount glasses are surprising. Dirty black turtlenecks, long hair, classic is no longer!
The right glasses would make you smarter, not more stupid!
James Dean was known for his taste, rather than his intellect. This piece of tortoiseshell eyeglasses frame makes him look mature, elegant and full academic.
Tortoiseshell glasses very pick names to ensure that colors match with your skin tone!
We can get Johnny Depp dressed at Grammys as a model.
Warby Parker Web site to browse the latest specs, you can select up to five glasses at a time. Then Flash choose glasses let you delivered to your home, and four Deputy do not post back to Warby Parker (you don't need to pay any money). After that, you can put your optometry Parker. They will provide you with quality and cheap glasses. But it's all built on a foundation of mutual trust!
Each spectacle has its own characteristics, transparent round spectacles and white hair that Andy Warhol proclaimed that he was a pop art.
Fit the most critical
1. Your spectacles frames and your face should be the width of the right, not too wide or too narrow, spectacle frames, boxes should be under your eyebrows on.
2. Your glasses should go to the opticians store maintenance once a year and the clerk will screw firmly, maintenance plate with wax, correction for your face shape.
3. Select ultra-thin, radiation-resistant, anti-reflective Cheap Tiffany and Co Necklace Jewelry Outlet lenses are more expensive, but they will be lighter and more comfortable!

Lee was an engineer, moderate myopia, busy with work, his Cheap Oakleys Frogskins Sunglasses Outlet glasses has not changed for three years. Last year, Stacey feeling eye dryness, exhaustion, two days before the medical examination, his optometry, his eyes are more than 3 years ago more than 200 degrees, the doctor said to immediately change the glasses.
I 3 years ago with this pair of glasses and optical lens took more than 2000 Yuan, lenses so well that myopia increased so quickly? He wondered.
Myopia increasing for many reasons, in addition to genetic factors, but also by the influence of two factors:, postnatal eye properly, glasses frequently watching TV, playing computer or after a long time in an environment that is too dark or too bright; II, wearing a pair of glasses is inappropriate. Many people think that as long as one pair of good quality, high prices eyeglass glasses, you can take years. In fact, it is a good lens, for more than two years, the surface is yellow, wear flowers, or even fall off, which will cause the lens are not allowed, but will increase myopia
,Even if the quality of the lens, however good, is not more than two years of age. If there was a fuzzy, bright-eyed glasses acids trapped deformation or yellowing of the lens or eyeglass frame appears, reminding you of the need for glasses.
A lot of people to the concept of life without Discount Oakleys Flak Jacket Sunglasses Cheap glasses, a survey have shown 29.2% for 3 years or longer to replace a pair of glasses, 36.4% people with bad to replace. Then, glasses with an old, used for a long time will not affect vision? How long to replace a pair of glasses is more reasonable?
Lens extended service, undesirable consequences brought about by many, not only easy to produce phenomena such as eyestrain, dry eyes, eye astringent, can also lead to myopia worse. Myopia in adults should be 1.5 to two years’ time, has two purposes: one is to adjust the number, the second is upgrading. Eyewear mirror event of scratches, a significant performance affect its optical correction, so the glasses required regular maintenance and inspections, and timely updates. Peak period of adolescence is eye, due to prolonged close eye, ciliary muscle spasm occurs myopia is extremely vulnerable to deepen, so it is 3 months and replaced once half a year. Both the adults and the young people are Visual function should be reviewed regularly, such as Stereopsis, convergence features, Strabismus implicit function, regulation and vengeance features.
Proper lens care can improve the life of the glasses. Regularly clean glasses, making it a better clarity. If a lens stained with dirt or sand and rinse with water, then use a soft cloth to wipe the mirror. At the same time, don't just handpicked to wear glasses, otherwise uneven stress on both sides, causing deformation of frame. Do not place glasses in direct sunlight. Glasses away from sweat, beauty products, insect repellent, pharmaceuticals or paint containing chemical ingredients items because these items make frames fade or deformation, If the Tiffany and Co Key Necklace Jewelry Outlet glasses gets these things to be cleaned.

Many people know that after wearing Fake oakleys frogskins sunglasses cheap for sale sunglasses, looks cool, considerations for wearing sunglasses but not necessarily known, would you choose sunglasses that failed. Here recommend choosing and the right way to wear sunglasses.
Primary attention Sunglass lens color lenses work followed attentively; then there is testing quality of frames and materials.
The first one: seeing colors
Health sunglasses color: grey or Tan
Sunglasses are decorative features, but its protection for the eyes is the most important, because if you are moderately UV, you stay in the Sun for a long time, easy on the eyes to cause damage.
Buying, wearing grey sunglasses or tinted lenses, both colored lenses for IR and UV-blocking rate is high and eye health protection the better.
Grey lenses can absorb most of the infrared and ultraviolet rays not only, it is not easy to create color and tinted lenses, to be able to filter out the Sun's Blu-ray in a specific frequency band, the blue light on ocular fundus damage greatly.
In addition, reminding consumers: best not to choose a shade of red and blue glasses. Blue lenses are not able to filter for Blu-ray damage to eyes, red lenses although stylish, easy color with confusing and not easy to identify changes in red and green traffic lights.
Glasses color depth will affect the absorption of visible light. According to the quality Director Liu introduced sunglasses color depth, can be divided into 15%, 35%, 50%, 70% in turn four. 15% depth of sunglasses, means lighter, intended to be used indoors and eyes are nearsighted person; 35% depth, often eye the most comfortable in the Sun; 50% depths can be used under the hot sun and seaside; 70% depth is generally only used by labor for industry professionals. Lens shade of the color affects only the visible light absorption and anti-UV ability depends only on the material of the lens.
Number two: looking at lenses
qualified sunglasses lenses should filter out the ultraviolet rays of the sun light and 96% 75%~90%.
A qualifying pair of Cheap Oakleys Radar Sunglasses Discount sunglasses lenses with UV400 logo, which is a fundamental indicator. The so-called UV400, which can block the ultraviolet radiation of wavelengths below 400nm are qualified full UV protection lenses. In addition to advantages and disadvantages clearly defective lenses can be seen with the naked eye, sunglasses lens simply cannot see with their eyes, but consumers have posted with UV400 lens identification.
See cannot be twisted; this is an indicator of whether performance has qualified optical.
Sunglasses are generally flat mirrors, no degrees. But now some inferior sunglasses on the market due to the use of materials and processes are not up to standard, resulting in a part Sun glasses produced with diopter, generally undetectable, but if long-term wear can hurt your eyes. When selects and purchases, consumers can move up and down the lens away from the body, found the level of objects in the distance are signs of beating, then prove that this pair of sunglasses is the degree of, which cannot, of course, select the mirror.
Lenses have the impact resistance. High impact resistance of the lens, you can play the role of eye protection encountered an unexpected shock.
Sunglass lenses, is made from glass, resin, etc. advantages of plastic lenses are lightweight (only is half the weight of glass), unbreakable, rich colors, and has better UV protection function; drawback is no wear-resistant, and easy to transform once deformation will affect optical performance. The main advantage of glass lenses is optically stable performance; drawback is heavy and easily broken, not resistant to shocks.
High impact-resistant tempered glass lenses have a new lens called the PC space this year, its hardness grade impact standards of international 2H-4, 10~12 times more than resin piece, 60 times higher than the glass, but the price is relatively high.
Third: frames
carefully distinguish frame material
Sunglass style is mainly determined by the frame. Men on more formal occasions, metal frames and more traditional styles could be considered, while in informal and casual occasions, wearing a sporty or a theatrical avant-garde daring style. Women on more formal occasions, you can choose the traditional style of the darker.
What about material that should be how to choose frames?
Current Sunglass frames better materials are manganese nickel, manganese and titanium plates. Manganese is nickel-manganese alloys, titanium alloys, nickel, silver, zinc compounds, good hardness, flexibility, easy; the latter is formed using cellulose acetate cutting, strength, toughness, good elasticity, it is difficult to break. She recommends is a manganese-titanium alloy Cheap Tiffany and Co Necklace Jewelry Outlet frames, due to light weight, corrosion and less likely to be sweat.

The wearing of Tiffany and Co Key Necklace Jewelry Outlet jewelry is a great art, in many cases it is even more important than the clothes, worn properly, is like the finishing touch in case of wrong, had a bull, seems to be blatant to peg a few jokes on them.
How to play jewelry this inherent charm and function? Should first resolve what occasion wear jewelry, wear any jewelry questions?
What occasions can wear jewelry questions; in people's attitudes in the past, arguing that only a formal and solemn occasions can wear jewelry, elsewhere is not suitable to wear jewels, this is actually a known bias, if the wear is suitable, are wearing jewelry for any occasion. About clothing a deeper awareness, know formalwear, differences between casual wear, dresses, casual wear, and so on, and wear different clothes on different occasions, on the wearing of jewelry, it appears that lack of knowledge, a jewelry to wear to no longer take it off, what occasion is it.
Matters needing attention in several occasions wearing jewelry: for professional women, wear accessories more restrictive, in addition to adherence to certain principles, in fact, themselves invest a little thought, to find ways to choose jewelry that suits your temperament and style, shape their own unique taste, is your key to find confidence and success. To break wear colors of pure sex, and hair on his chest, and some vivid color stone Tiffany and Co Outlet necklaces mix, in addition to wear solemn serious, transmission to female vitality and beauty. This choice of colored gemstones, it is important to note, gem grade, gem color must be pure is gorgeous, gem against fire must be better stones must have Reiki. Dress professionally at the same time on the basis of clever mix of jewelry, can play to subtly alter the shape wear effect, where two of the most important jewelry that is, necklaces and brooches. In suits on the collar of a curve design brooch, can make suits of solemn add strands of active and dynamic;
Necklace length, material and color, as well as different design styles, ingenious combination, can also increase the set movement and rhythm. Special vocational and special occasion, preferably wearing personalized jewelry that suits your professional personality and his taste and emotion of the jewelry should give full play to the cultural connotations, making it a symbol of body language, it is best to wear specially designed one of a kind jewelry products, most full reflecting their own unique tastes and personality. Normally, when home leisure, should also be mindful of jewelry worn by the form and go with all most garments, generally in such informal occasions, wear the designs of colored gemstones and semi-precious jewelry, and complement the mix of casual dress, revealing a different kind of taste in a dull. Lunar New Year visit to Pro members that you fully show their wear characteristics and taste the best time, suitable to wear colored gemstone jewelry will give this special Millennium spring, adding a bit of color, and will give your family and friends a warm and relaxing feeling. During the Spring Festival, Festival banquet evening formal occasion, wear luxury tiffany jewelry outlet jewelry design jewelry, wear two pieces of jewelry, you should pay attention to matching, jewelry designers to help you solve this problem, designing a jewelry set.

The wearing of Tiffany and Co Key Necklace Jewelry Outlet jewelry is a great art, in many cases it is even more important than the clothes, worn properly, is like the finishing touch in case of wrong, had a bull, seems to be blatant to peg a few jokes on them.
How to play jewelry this inherent charm and function? Should first resolve what occasion wear jewelry, wear any jewelry questions?
What occasions can wear jewelry questions; in people's attitudes in the past, arguing that only a formal and solemn occasions can wear jewelry, elsewhere is not suitable to wear jewels, this is actually a known bias, if the wear is suitable, are wearing jewelry for any occasion. About clothing a deeper awareness, know formalwear, differences between casual wear, dresses, casual wear, and so on, and wear different clothes on different occasions, on the wearing of jewelry, it appears that lack of knowledge, a jewelry to wear to no longer take it off, what occasion is it.
Matters needing attention in several occasions wearing jewelry: for professional women, wear accessories more restrictive, in addition to adherence to certain principles, in fact, themselves invest a little thought, to find ways to choose jewelry that suits your temperament and style, shape their own unique taste, is your key to find confidence and success. To break wear colors of pure sex, and hair on his chest, and some vivid color stone Tiffany and Co Outlet necklaces mix, in addition to wear solemn serious, transmission to female vitality and beauty. This choice of colored gemstones, it is important to note, gem grade, gem color must be pure is gorgeous, gem against fire must be better stones must have Reiki. Dress professionally at the same time on the basis of clever mix of jewelry, can play to subtly alter the shape wear effect, where two of the most important jewelry that is, necklaces and brooches. In suits on the collar of a curve design brooch, can make suits of solemn add strands of active and dynamic;
Necklace length, material and color, as well as different design styles, ingenious combination, can also increase the set movement and rhythm. Special vocational and special occasion, preferably wearing personalized jewelry that suits your professional personality and his taste and emotion of the jewelry should give full play to the cultural connotations, making it a symbol of body language, it is best to wear specially designed one of a kind jewelry products, most full reflecting their own unique tastes and personality. Normally, when home leisure, should also be mindful of jewelry worn by the form and go with all most garments, generally in such informal occasions, wear the designs of colored gemstones and semi-precious jewelry, and complement the mix of casual dress, revealing a different kind of taste in a dull. Lunar New Year visit to Pro members that you fully show their wear characteristics and taste the best time, suitable to wear colored gemstone jewelry will give this special Millennium spring, adding a bit of color, and will give your family and friends a warm and relaxing feeling. During the Spring Festival, Festival banquet evening formal occasion, wear luxury tiffany jewelry outlet jewelry design jewelry, wear two pieces of jewelry, you should pay attention to matching, jewelry designers to help you solve this problem, designing a jewelry set.

A 4 -year-old child’s mother recently encountered a major problem - the son of her myopia refused to wear Cheap Oakleys Frogskins Sunglasses Outlet glasses. So she had to help Internet users hope that we can join hands to persuade children to accept his little glasses.
The mother named Lindsey Fisher on face book opened accounts called "Noah 's glasses", myopic glasses can send their photos to encourage her son - Noah, let him understand that a " four earners " can also be very cool.
Let Fisher did not expect is that not only her family and friends, and even strangers across the country all have to Noah sent his photos.
Noah was 4 years old this year, is actually very adorable wearing glasses, but he was worried about being someone else's help. Her mother told USA Today interview, he said: "I said to him, ' Put on your Discount Oakleys Flak Jacket Sunglasses Cheap glasses it ', but he makes me crying this difficult, I finally learned that he had reason to cry, actually. Fear of being laughed at. "
So Fisher had to his friends for help, in order to prove to his son that no one will laugh at " four earners," but did not expect to receive the results of hundreds of photos from around the world.
"Our little baby Noah was a spectacle ' newcomers ', he also needs time to adjust to life with glasses and let us tell him wearing glasses can in fact be very cool, right!" Fisher wrote in the face book.
Now, the face book page has received 923 " likes ", Fisher said that as long as people continue to transfer photos, she will continue to operate this page.
"So many enthusiastic users draw pictures of their precious time to encourage a strange little boy is not easy." Fisher said in an interview.
And these photos are indeed small Noah gave great encouragement. "I do not know how much we will receive Cheap Oakleys photos, but as long as people continue to send photos, I will be 11 shows to see Noah." Fisher said.

1) to observe the lens scratches, impurities, bubbles, stripes, check the packaging of sunglasses, regular Cheap Tiffany and Co Necklace Jewelry Outlet sunglasses should be marked with name, color, diameter, quality level, the production company name and trademark, mirror or tag on the specify anti-UVA, UVB and CE mark sunglasses blocks some ultraviolet rays can be ensured.
2) To wear to try is there a sense of vertigo, headache. Now indicated some degree of myopia sunglasses sold in the market, for the average consumer, had better not choose those sunglasses.
3) Sunglasses in his hand two angles on a fluorescent lamp, mirror reflective smooth scrolling if specular light images appear wavy, distorted, lenses proved uneven, and this mirror will strain your eyes.
4) Lens formation, higher degree, Sun lens materials are glass and resin, and the best sun lenses polarized lenses should be used.
5) Sunglasses color addition according to their skin color, face shape, wear to go with, but should also be based on access to sites to choose from. In General, black, Brown, grey filter worked well; grey lenses to any GC can balance absorption, put them on after seeing the scene darkens without visible chromatic aberration; tinted lenses filter out a lot of Blu-ray, and Fake oakleys frogskins sunglasses cheap for sale can improve contrast and clarity of vision, in case of serious air pollution or foggy wearing the best effects.
6) sunglasses apart from the reduction of glare stimulus, making the eyes appear comfortable outside, the main purpose is to prevent UV rays cause damage to eyes, while color lenses with UV protection are two different things, even if the lens is darker, it may not be effective anti-UV, so be sure to select a marked anti-UV lenses. Sunglasses the UV index usually at between 96%-98%.
7) General formal optical shop testing sunglasses ability to resist UV equipment through this inspection, one can see how glasses are in the hands of eye health has to help.
8) Degrees should meet the requirements for flat glass of the lens and optical defects that do not affect vision. Easy identification, sunglasses can be placed in front of, through observation targets in the distance of the lens, such as window frame or door frame, etc, then the glasses up and down to move forward or backward, the goal should not be swinging and wavy deformation. Can watch Cheap Oakleys Radar Sunglasses Discount sunglasses lenses under the fluorescent tubes on the surface of the image, move the sunglasses image appeared in different parts of the lens of the lamp, lamp images without distortion is the best.