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Myopia sunglasses selection when need to pay attention to

by:Eugenia     2020-07-15
The weather is hot, sunglasses are back thatched cottage, we should be when the choose and buy sunglasses to care about design. Indeed, choose a pair of beautiful and like sunglasses is important, but also need to consider other parameters. When compared to the choose and buy of myopia sunglasses sunglasses and a lot more constraints, we need to pay more attention to. 1 sunglasses factory. 499 tan polarizing sunglasses all uv short-sighted lens, lens should not be too big to match sunglasses myopic lens of embryo, is usually a big circle, the thinner the farther center, around the closer the more thick. Has to explain before the index of refraction of the problem, even a thin one. 74 the refractive index of the lens, the outer ring is also very thick. So, if the frame is very large, especially in recent years especially popular Oversize sunglasses, so you can imagine, if deserve to go up the myopic lens, then the whole sunglasses lens will look very heavy, very affect beautiful, wear also uncomfortable. In other words, the technically, is feasible, but the actual wear, do not advocate also not recommended. Second, the picture frame arc too curved cannot directly with myopic lens has a lot of sports sunglasses, is completely the design of the joint face and head type, such lenses, relative to character, the radian of bending is very large, for ordinary myopic lens, is unable to do it. So, in view of such glasses, there will be a special external myopia glasses. Believe that everyone in the NBA who wore 'goggles' prevention of athletes have the impression, that is specially designed for sports prescription lenses. Is a lot of swimming goggles have such prescription lenses, if it is a specialized in order to buy sunglasses, sports and recommend is directly buy prescription sunglasses. Three, single lens can't match the myopic lens as a result of the limitation of technology, all of the single lens glasses are unable to match myopic lens. Small make up recommend a can match again after myopic lens sunglasses ~ men sunglasses YC9015 gun color sunglasses factory myopia sunglasses big box with prescription sunglasses
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