In 1853, the German-born American John Jacob Bausch and Henry Lomb built the Bausch & Lomb which is specialized in the development and production of eyes products. In the early 20th century, Bausch & Lomb have been able to mass-produce quality optical len In 1920, American Air Force authorized Bausch & Lomb to develop a type of goggles for pilots, in order to deal with the dazzling glare up in the air. After several years, the first glasses in green glass appeared. This kind of glass can prevent glare and ultraviolet ray, so it is popular in the pilot. In 1930, eyewear for pilots produced by Bausch & Lomb has officially become the special products for American Air Force. In 1936, Bausch & Lomb put this type of sunglasses into the market, in 1937, its name was changed into "Ray-Ban".

In 1930s, sunglasses worn by Hollywood stars were in vogue. This made Ray-Ban a fashionable accessory chased by Americans immediately after its appearance in the market. In 1940's, Ray-Ban produced a kind of reflective mirror sunglasses for the U.S. Air Force, which giving users the greatest visual protection. 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. Just like the ZIPPO lighter, the Ray-Ban sunglass became one of American MIAs flags after the World War II, and popular in the world as fashion product after the war.

As time goes by, the eyeglasses frames is becoming more and more popular, and become a necessity in the daily life. 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 60s, Ray-Ban anti checking glasses were born. The sunglass style was rough and cool. In 70s, Ray-Ban promoted allochroic sunglasses, which changed the glass color under different lights to supply the clear vision for the users. In the middle of 1980s, the classic pilot sunglasses style of Ray-Ban worn by Tom Cruise in "Top Gun" became popular in the world and set off another Ray-Ban sunglasses heat. From brand Foundation till now, Ray-Ban has been the world's best-selling sunglasses brand. This result comes from Ray-Ban’s consistently high quality and elegant design. The constantly reformed optical technique of Bausch & Lomb Company, makes the high-quality lens become one of the biggest selling points of Ray-Ban sunglasses. Ray-Ban lens are mainly glass, which have powerful shading effects, all lens could block out harmful ultraviolet rays perfectly, and at the same time, block and screen other harmful lights like ultrared rays, etc. The polarizing film technology used now reduces the harm of light to eyes greatly. The frame design and manufacture of Ray-Ban is excellent too, it can provide comfortable wear to people under all circumstances.

Over the years, the categories of Ray-ban sunglasses increase constantly to form three styles series such as traditional style, modern style and future style. Besides, by the different customers, Ray-Ban sunglasses have gentlemen, lady and sport three styles. Gentlemen style is moderate; Lady style is cool and graceful, Sport style is sunshine. The eternal design, simple style and high quality become the important element that Ray-Ban still has an enduring popularity after 70 years undoubtedly.

Women are born to love beauty, And it is really inconvenient to wear a pair of cheap eyeglasses for shortsighted people, Therefore, wearing contact lenses is one kind of fashion as well as life of convenience. but, after all it is not suitable for wearing contact lenses for long term and there are many things you need to take notice of, Therefore, be aware of that it is not suitable to wear lenses, especially when you catch a cold.

When you have a cold and wear lenses at the same time, you might have tearing eyes, which are red and swollen. The cold virus will cause eye diseases such as keratitic that causes by virus. Because when you are having cold and keeping sniffing and sneezing, you will use your hands to touch them. There are a lot of germs in our hands, so these germs will easily contaminate our corneas when we are putting on or putting off the contact lenses.

People who have the fever are not appropriate to wearing contact lenses. During the fever, the resistance of eyes will decline, and tear secretion will reduce,therefore the bacteria will multiply. The metabolites of the eyes are deposited between lenses and corneas, impeding the oxygen getting through the lenses and causing the eye diseases .

Oculists remind that people who wear contact lenses should wear frame prescription glasses instead of contact lenses when they have a cold or fever. In addition, you should be careful with the medicine you chosen even when you are wearing contact lenses, For there are elements that are used to restrain the tears in most of the anti-cold, anti-cough and anti-pain medicines. The decrease of tear secretion will make the contact lenses too dry, reduce transparency, thereby affecting vision. Cornea itself is easy to dry, if we further reduce the moist level of the cornea, many inflammation might come into being, such as keratitis, conjunctivitis, and make the eyes red, itchy and have a feeling there is foreign matters in them.