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Tips for choosing sunglasses

Views:5     Author:Site Editor     Publish Time: 2020-09-02      Origin:Site


Tips for choosing sunglasses


Summer is the world of sunglass, fashionable, beautiful, prevent radiate, these functions make people like to wear sunglass more, but concerned expert points out, should be careful when choosing sunglass, cannot pay attention to style only, ignore however sunglass itself quality problem.Here are four substandard sunglasses you should never wear:

1. Sunglasses with a misnomer function of uv protection.Good sunglasses can block more than 99% of the UV rays, and the identification of UV400 lenses are 100% (99.99%) uv blocking.Wear sunglasses with poor uv protection function, the eye is like seeing things in a dark room, the pupil will become larger at this time, the residual ULTRAVIOLET ray will shoot into the eye in large quantities instead, making the eye hurt.It is best to go to the store to buy or in the well-known glasses network to buy or flagship store to buy.Small ground stalls must not be enough to buy, although those sunglasses also can block ultraviolet ray, but lens work is not in place, namely unqualified, must not because cheap buy it, inferior eye can cause the injury of different degree to the eye.

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2. Sunglasses with substandard transmission ratio.When worn, these sunglasses create a traffic signal recognition barrier that can lead to accidents.All sunglasses, including professional driving glasses, sports glasses, fishing glasses...With the exception of myopic mirror and presbyopia mirror) the simple identification method is to put sunglasses in front of the eyes, observe the distant target through the lens, such as window frame or door frame, and then move the glasses up and down and back, the target should not swing and wavy deformation.

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3. Sunglasses without category identification.Sunglasses are generally divided into three categories, namely, sunshade mirrors for shading, light-colored mirrors for decoration, and special mirrors for anti-snow blindness or waterproof plane radiation.If there is no product category identification, consumers cannot correctly identify the purpose of sunglasses when they buy them, which will affect the use effect.

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4, the resistance performance does not meet the requirements of sunglasses.The lens is easy to break when it is impacted by external force, and the fragment will cause fatal injury to people's eyes.Frame material is also very important, there are plate, aluminum magnesium alloy, TR90, pure titanium.Different demand for the sun requirements are not the same, there are special use for sports polarized mirror, polarized driving mirror, polarized fishing mirror, etc., when buying, you can ask clearly the professional use of sunglasses.


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