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What kind of sunglasses most function of sunscreen?

by:Fuqian     2020-04-13
What kind of sunglasses most function of sunscreen? Asked such a question, I believe a lot of sunglasses customer knowledge don't understand, is certainly can't answer, first of all, why we say that the sun glasses can prevent waste their problems, powerful function of sun glasses is what? Sunglasses's main function is to filter most of the ultraviolet ray in sunshine, if the quality is bad, visible light was weakened after blocking the light, the pupil natural amplification, but the lens cannot effectively block ultraviolet light, the eye instead of uv absorption increases with excessive ultraviolet ray can make the lens protein denaturation, cause pigment, lead to cataracts, at the same time, the retina has also been a certain degree of damage, even it to shrink, may lead to aged eyesight or blind the personage inside course of study reminds, buying sunglasses do not blindly pursue cheap, to the best professional optician or stores to buy. The sun glasses generally can be divided into the sunshade lens, according to the use of light color sunglasses and three types of special-purpose sunglasses. Sunglasses the so-called sunshade glasses, just as its name implies is for sunshade, people usually take in the sun by adjusting the pupil size to adjust the luminous flux, when more than the human eye light intensity adjustment ability, will cause harm to the human eye. So in the outdoor activity places, especially in the summer, many people are shading mirror is used to keep out sunshine, to relieve his eyes to adjust the damage caused by fatigue or strong light stimulation. Light color sunglasses not resistance to sunlight as shading mirror, but its rich colors and is suitable for use with all kinds of dress collocation, have very strong adornment effect. Light color sunglasses because of its color is rich, diverse styles, favored by the young gens, it is a favourite with fashionable woman. Special-purpose sunglasses has a strong function of keep out sunshine, often used in the beach, skiing, mountain climbing, golf, etc. The sun is strong field, its resistance to ultraviolet performance indicators have higher requirement.
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