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Some main choice of polarizer

by:Eugenia     2020-09-02
Sunglasses is also called the polarizer, is a summer travel tide sheet is tasted, just like a magic mask, as long as you wear it, can let you instantly change as the star quality of the model. But in the face of the market wide line of sunglasses do you know how to choose? Sunglasses factory small make up to you finishing the following several points: first, the first consideration is the quality of polarized sunglasses. Is the prime function of polarized sunglasses uv filter and polarized light, good polarized lenses that can stop more than 90% of the ultraviolet penetration, please select 'UV400' with good polarized sunglasses block uv logo; If worn cannot block ultraviolet light and polarizing filter function of inferior polarized sunglasses, such as dark sunglasses, in the dim light, with the human eyes eye pupil get bigger, into the eyes of ultraviolet (uv) increases, increases the damage of the human eye. Second, the long-term wearing will there be discomfort. The real polarized sunglasses to wear comfortable; If, after wearing uncomfortable, dizziness, headache, dry eyes, tingling feeling bad words please hurry up to take off; Belong to the inferior or counterfeit sunglasses in general can cause dizziness, headache, general inferior lenses when making no technical and functional, the lens material is also very poor, choose inferior polarized sunglasses can protect your eyes, instead will cause the damage is not worth the cost. Three, the selection of polarized sunglasses to see picture frame protection function. In outdoor sports can effectively prevent the wind and the stimulation of foreign body on the eyes, and the stiffness of the polarized lens and the material of frame flexible degree to consider whether will cause harm to human body, the protective function of polarized sunglasses in addition to uv protection, avoid light, filtering, dazzling glare basic functions, such as most polarizing sports sunglasses frames are veneered radian design. Four, about polarized sunglasses quality stand or fall of identification. General regular store will have capability of the sunglasses uv resistance measurement instrument, instrument tests, standard can know whether the glasses in your hand. In addition, test sunglasses quality stand or fall of simple method is: can use yanchao pen or ultraviolet light from the counterfeit detector, observing the sunglasses uv logo design on the yuan, if the poor quality of sunglasses, no barrier to ultraviolet ray, can still clearly see the uv logo design on the yuan, on the other hand, such as the quality is good, can't see. Five, depending on the choice of polarized sunglasses to the real nature. Polarized sun glasses color choice should be the color of the surrounding environment of distortion, clear the edges of the objects and can effectively identify the different color lights for the principle. Lens color with gray, brown, green is good, because these color lenses of infrared, ultraviolet absorption is good, can improve visual contrast and clarity, especially as the aviator sunglasses, ensure driving safety. In the case of air pollution is serious, or foggy wearing effect is a plus.
related: sunglasses polariscope
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