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What are the benefits of using professional eyewear

What are the benefits of using professional eyewear

2019-11-11

People who wear glasses will have a lot of inconvenience, such as winter from the outside into the house, myopia will be directly white, the world can not see! After wearing glasses for a long time, it will inevitably fall into dust. Besides, in autumn and winter, some cities have more haze. What if the glasses are dirty? Maybe the reaction of most people is to take a breath on the glasses, take out the glasses cloth and even lift their sleeves and start wiping. 

But you know, it's easy to damage the lens. Clothes have large fiber gaps and accumulate a lot of dust over time. If the cloth contains high hardness dust (such as fine sand, quartz hardness is 7), it will scratch the lens, so using this method to wipe the glasses will only be counterproductive, the more blurred. And glasses generally use optical glass lenses or resin lenses, good wear resistance, easy to scratch. Under the microscope, there are two kinds of scratches on the surface of lenses. One is the scratches caused by gravel, which are shallow and small, and can not be allowed by wearers.

Easy to detect; the other is a scratch made by larger gravel, deep and rough around, which affects vision in the area.


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