the protection from the elements of the sun's rays

Although the designer sunglasses is the twentieth Century phenomenon, it can be traced back to the beginning of a the earliest history of china. Back in Fourteenth Century, China's judges wear Smoky Quartz lens in court to conceal his eye expressions. According to Chinese customs evidence, the judge's evaluation is credible or not is still a secret, until the conclusion of the trial.
In the middle of the eighteenth Century, James Ayscough began experimenting with colored contact lenses. He believes, blue or green glass can be corrected visual acuity disorder specific. He didn't have to attach great importance to the protection from the elements of the sun's rays.
At the beginning of twentieth Century into the modern type of sunglasses. Sam Forster, founder of the Foster Grant company, in 1929, the first of Foster Grant sunglasses for sale in the Atlantic city of New Jersey on the sidewalk.
Then, in the nineteen thirties, army aviation commissioned a major point of light Bausch & Lomb production, to protect pilots from the danger of high altitude glare. Therefore, the physicist and glasses improve a special dark green color, light absorption spectrum in the Yellow band.
Ray-Ban was founded in 1936, the aviator style of design anti-glare polarized lenses, using the technology of Polaroid Co, H., Edwin land new.
Sunglasses and prescription eyewear industry really gained momentum, in the nineteen sixties, when a clever advertising campaign by glass firm Foster Grant sunglasses and heat generation. The famous fashion designers, and Hollywood actor popular Sunglasses upgrade, it never came down.
Now, one day, sunglasses and prescription glasses was found on the Internet truly affordable price. Online shop, because it has slowly become a kind of fashion accessories, to ensure that they have a huge range of sunglasses in their directory. In order to meet the needs of more people, these sunglasses varieties and innovation. Therefore, the border color is not limited to black, various bright colors.