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How to pick a qualified anti-radiation sun glasses

by:Eugenia     2020-08-06
The sun glasses is not the patent of the summer, radiation in any season, we usually go out wearing a pair of anti-radiation sunglasses can protect eyes, but must choose qualified, so how to select qualified radiation-proof sunglasses? Ray-ban sunglasses RB3449 men silver/lens dazzle colour blue 004/55 paragraph LeiPengChao anti-radiation lenses frameless dazzle colour blue alloy big yards first let's look at what is radiation-proof glasses. Radiation protection glasses is in the process of the glasses lens, added some compound material, on the lens with related to radiation protection membrane layer. Because the computer radiation is caused by electromagnetic waves, such as in general, the electromagnetic wave has certain amplitude and wavelength. Radiation protection glasses compound medium and radiation protection membrane using this principle, using the interference between different wavelengths of electromagnetic waves for radiation protection purposes. Before the choose and buy sunglasses, you must first identify both. One is not all sunglasses have ultraviolet prevention function. 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 into the ultraviolet ray, damage to the eyes. Second, sunglasses can prevent ultraviolet ray, 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. Ray-ban sunglasses RB4175 men 877 / Z2 black/pink piece about how to choose qualified radiation-proof sunglasses? Recommended reading: according to face how to choose sunglasses 1, check the ultraviolet prevention function identifies a pair of sunglasses ultraviolet prevention function, we can't identify with the naked eye, the manufacturer of the product is an express promise consumer choose and buy has the protective function of sunglasses only reference, we can see in some of the product label and glasses positive such as: '100% of ultraviolet prevention', 'UV400', 'cut off all of the ultraviolet (uv)', 'anti ultraviolet express' logo. 2, check the safety performance of the logo has the safety performance of sunglasses, the lens using impact resistant materials, such as PC tablet on the label and manual tend to be marked 'shock resistance' and 'through the FDA certification', 'conforms to the highest standards in Europe and America and so on, if the product can meet the requirements of logo on, motorcyclists, drivers, etc have special request for the safety of consumers is a good choice. 3, the sun lenses made of glass and resin, and the best sun glasses polarized lens should be used. Polarized lens can effectively filter out reflected light and harmful uv rays, and resistant, wear, and other functions, is the most popular sunglasses.
related: uv protection sunglasses to prevent computer radiation glasses
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