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The choose and buy sunglasses need what to problem note?

by:Eugenia     2020-08-25
It is well known that the sun's rays are strong or environment reflected sunlight is strong, all need to wear a sunglasses, not only can prevent ultraviolet damage to the eyes, eye protection, can also be concave shape. But, the choose and buy sunglasses is also a study, choose bad to reach the purpose of protecting our eyes. So the choose and buy sunglasses need to pay attention to what issues? Below, along with glasses sunglasses factory to get to know. Lens should be standard uv uv protection function is the prime function of sunglasses, if uv protection ability not up to standard is easy to damage the eye health. Therefore, when the choose and buy sunglasses must choose lens or on the package '100% uv protection', 'UV400', the 'uv' etc. Lens color options need to be careful the lens distortion of color choice should be the color of the surrounding environment, clear the edges of the objects and can effectively identify the different color lights for the principle. Lens color with gray, brown, green is good, because these color lenses of infrared, ultraviolet absorption is good. Sunglasses quality must pass lenses that quality is the essential part of the whole pair of sunglasses. Must pay attention to when buying sunglasses lenses surface whether there is a scratch, bubble, impurities and stripe, etc. , in addition, the definition of the lens and roughness on the surface of the lens is also very important. At the time of purchase requires careful attention to these details.
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