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What kind of sunglasses can protect your eyes?

by:Eugenia     2020-08-28
The hot summer, the hot sun, dazzling sunshine, or still exist in uv autumn winter season, it is very important to protect his eyes from the sun damage, most people will choose to put on a variety of sunglasses. But in fact is not necessarily better wear sunglasses to protect his eyes. At present a lot of people understanding of sunglasses, there are many misconceptions. Exactly what kind of sunglasses can protect your eyes? Where does the street vendors to buy can also play a role of protecting our eyes? 9015 myopia sunglasses sunglasses factory, professional uv protection in the first place, wearing sunglasses improper or choose not only would the inferior sunglasses to protect eyes, instead of s easy to make the eyes by ultraviolet burn. A lot of people think is tinted glasses sunglasses, and it's cool, then to follow the fashion to buy. But after the experiment proved that tinted glasses because of the different colors, to protect eyes itself does play a role, but if the glasses can't block ultraviolet light, also lost the sunglasses. Second, if with no uv protection function of colored glasses, is more dangerous than not wearing sunglasses. Because human body have ego to protect the role of the wood, when eyes meet with strong light, the pupil will naturally reduce, reduce the amount of ultraviolet the put into eyes, such as no uv protection function of glasses, will cause dilated pupils, isolate the ultraviolet ray and because the glasses is not the role of, will let ultraviolet invasion, in the case of intangible, serious damage to eyes. After, need to know is the sunglasses can block ultraviolet ray, because the lens and add a layer of special coating. And inferior sunglasses are completely different, not only block ultraviolet performance is weak, easily damaged, and film led to the decrease of the lens photometric severe isolation, damage eyes key kang. From the above content, the inferior sunglasses to see things not clear and can't resist the ultraviolet ray, the damage to the eyes is great, so buying sunglasses good choice brand goods, and in a reputable professional optician or word of mouth good online mall to buy. The following problems should be noticed when the choose and buy sunglasses: ( 1) The choose and buy sunglasses to try to have the feeling of dizziness, headache, also have on market now indicate the degree of myopia sunglasses for sale, but without the guidance of professionals, better don't choose this kind of sunglasses. ( 2) Two Angle of sunglasses with your hands, make it to the fluorescent lamp, let the mirror reflective article gently rolling, if discover the specular reflection of daylight lamp shades appear wavy, then the lens is not smooth, the glasses will cause great damage to vision, not to buy. ( 3) Wearing sunglasses in addition to reduce the stimulation of light to the eyes, make the eyes feel comfortable, the main purpose is to prevent ultraviolet damage to the eyes, but the color of the lenses with uv protection is not the same thing, remind you do not think that the darker can prevent ultraviolet ray, this view is wrong. Be sure to select labeled with UV resistant lenses. Usually sunglasses UV index at 96% 98%. ( 4) When choosing sunglasses, attention should be paid to choose lenses will level off, the dialysis degree is high. Sunglasses lens material is divided into two kinds of glass and resin, and a good sun glasses polarized lens should be used. Polarized lens can effectively filter out the reflected light and ultraviolet, and a shatterproof, wear, etc. ( 5) On the choice of sunglasses color, also not be fixed and should vary from person to person, the depth, the colors of the sun glasses for missile in white measuring method is simple, wear sunglasses in front of a mirror, can vaguely see the pupil of his as well. If the color of the sunglasses too shallow, filter function will be more bad; And it's too dark glasses, affect vision and weaken the sense of color.
related: fashion sunglasses sunglasses polarized sunglasses
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