the Brief Introduction to Sunglasses

Many of us believe that European firstly invented the modern sunglasses.
By: Efrain Millard
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Aug. 27, 2010 - PRLog -- Many of us believe that European firstly invented the modern sunglasses. At the beginning of the 20th century, the goggles which was made of glass becomes the rich and modern symbol. In the 1930s German and American people have invented polystyrene plastic, and its diaphaneity is the same as glass, what’s more, it’s much stronger. During the 1940s to 1960s, the exterior of the sunglasses tended to be more and more fruity and full, while design became more and more daring. In the 1970s, the exterior of sunglasses developed to the shape of angle gradually. And lens also appeared in the colours. Nowadays, with more and more diversity popular index, frog goggles or ski goggles, a monolithic sunglasses, golf shots and so on, has become the most popular accessories

the Materials of Sunglasses

As we see it, sunglasses are consisted of a pair of firm brackets and two pieces of lens. Firstly, there are the followings that can be used to manufacture brackets: Cellulose propionate(CP),Polycarbonate(PC),ethoxyline,manganese-nickel,TR-90,hydronalium, titanium and so on. While lens are mainly made of glass or resin material, and they decide the definition, weight, serviceableness and price.

the Types of Sunglasses

Different lens make different types of sunglasses, so we are going to introduce some types of sunglasses. Coloured spectacles can absorb waves from sunshine selectively, while Polaris cope provides another mechanism of protecting eyes. It  is extremely effective in keep out of the reflected light from asphalt roads. At last, photo-grey glasses dark down after receiving the sunshine, while the light weaken, the lens become bright again.

the Brands of Sunglasses
Now we are going to introduce three top brands about sunglasses. First, glamorous Calvin Klein’s sunglasses extremely have contemporary feeling in structure. Second, as we all know , Dior’s sunglasses have its own unique luxury style ,at the same fused with the fashionable creation. Third, Gucci, famous for simple design, has its own elegant and creative sunglasses. What’s more, because of the characteristic additional features, replacing lens becomes easy.

The author is an enthusiast of  and .View the amazing collection of

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Though normally I love stainless steel watches better- I feel I am too young to wear gold watches, I still adore not a few gold watches.
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