2010年1月21日星期四

Different Uses of Sun Glasses with Various Colors

The colors of bags are really dazzling. However, you maybe don't know that every cheap glasses' color has different purpose. To understand the secret of the color of eyeglasss will give you a sense of fashion, and help you protect your eyes.
Laser lenses: They are used when you are in a situation of strong sunlight or reflected light such as on a beach, a snowfield or a ship.
The red lenses are recommended for the use in changeable weather.
Transparent lenses mainly protect the eyes in motion and prevent them from dust and other foreign objects, especially in the cold weather.
Smoke color lenses: They are for winter days or dark sunny days.
Orange lenses: They are most suitable to wear when walking on the streets, but also applied to other environments whose light changes intermittently.
Pink lenses: They can absorb 95 percent of ultraviolet rays and a number of visible lights of shorter wavelength.
Grey lenses: They can absorb infrared rays and 98 percent of ultraviolet rays. The biggest advantage of gray lenses is that the lenses will not change the original colours of the objects. While the biggest satisfaction is that it can effectively reduce the light intensity.
The green lenses can be said of Ray-Ban Series Lens as its representative. and it will make some features distorted. And, they can't match grey lenses in blocking out light.
Brown lens: it can weaken the dazzling feeling caused by strong light from different angles and maximize the visual clearness. This kind of lenses absorbs similar lights with green lens, but can absorb more blue lights than green lens. The colour distortion caused by brown lenses is worse than gray and green lenses.
Yellow Lens: it can absorb 100 percent of ultraviolet, and it can let the infrared rays and 83% visible light through the lens. The most distinctive feature of yellow lens lies the absorbing of the most part of blue light. It makes the scenery of nature clearer. Therefore, yellow lenses are often used as filters which apply to dawn, dusk or rain wnvironment.

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