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Sunglasses sunglasses factory skills of choose and buy

by:Eugenia     2020-08-02
The sun of summer, go out, can't keep braving according to person eyes open, in addition to the umbrella, hat can shade, sun glasses is against ultraviolet light best weapon. Dazzling light will pass through your eyes, the sun glasses can reduce the harm of eyes intense sunshine, dazzling light will cause headache, the sun glasses have the filtering effect of 95 ~ 100. Recommended reading: sunglasses choice learned most of the people of the sun glasses choose still stay in beautiful consideration, think that the sun glasses is a jewelry, with glasses appearance as the first consideration when buying requirements, even boutiques will put a lot of sunglasses for people to choose and buy to tie-in dress. The sun glasses have the function of decoration, but its protective function is the most important thing. Because if there is no moderate blocking ultraviolet ray, come down for a long time will cause harm to the eyes. Should be absorbed by the lens of ultraviolet ray, if absorbed completely into the retina, will produce a macular lesions, but if absorbed completely will enter the lens and lens opacity, and produce the serious eye diseases such as cataracts. So bad if you wear a pair of glasses, in addition to no protection function, but it is not worth the eyes hurt. How to choose a pair of suitable sunglasses? The choose and buy sunglasses should be paid attention to when the body has a self-protection instincts, eyes meet with strong light, the pupil will naturally become smaller, cut into the eyes of uv energy, once without uv protection function on the glasses, can make the pupil dilation, plus the role of the glasses not isolate uv, is equal to the portal open eyes at this moment, let ultraviolet light to enter, the harm of eyes. Sunglasses can block ultraviolet light, because the lens and add a layer of special coating, and inferior sunglasses not only can't block ultraviolet light, also let the lens completely the serious decline, make the pupil larger, ultraviolet ray can raking instead, damage eyes. In addition, the inferior lenses also make a person appear nausea, forgetfulness, insomnia and other visual fatigue. Low sun lens color to light gray, dark brown or light smoked for excellent, followed by green, amber, blue, red just as the sun or in the snow. It is best to use polarizing sunglasses by car, because they can weaken the strong light of dazzling. If you wear sunglasses, others can very clearly see your eyes, then your lens color is too shallow. Low when the sun goes down, it is better to remove the sun glasses, otherwise, we in the light the place with weak eyesight will be affected. Low to normal optician should choose normal manufacturer production have sunglasses with uv protection function. Low pay attention to the lens surface when the choice. A low face a lanky man is suitable for circular frame sunglasses.
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