A bit better sunglasses need to have what function?

Nowadays there are many different kinds of sunglasses on the market, many consumers to better the function of sunglasses have is poorly understood, so a lot of factors often lead to consumer consumption behavior of an error. A good sunglasses is not only need to look fashionable, but also to be able to actually prevent the function of the sun, so consumers considering his appearance but also need to consider the practical functions of sunglasses. Although many sunglasses appearance looks similar, but the small lens function and material has been decided that the practical value, so consumers can't be fooled by appearance and price. Here is a little bit better sunglasses need to consider some aspects: sunglasses factory ms YC9702 sunglasses C3 black/lens dazzle colour blue, prevent ultraviolet light in sunlight; Ultraviolet rays will damage the cornea and retina, and high quality sunglasses can completely eliminate the exposure to the sun's ultraviolet rays. Second, to prevent the illuminate of strong light; When the eyes to receive too much light, it will naturally contraction iris. Once the iris contraction to limit state, then they need to squint. If the light is still too much, such as snow reflected sunlight, will produce damage to the retina. High quality sunglasses can filter to up to 97% of the eyes to avoid light damage. Third, to prevent the illuminate of glare; Some surface, such as the surface of the water, can reflect a lot of light, and the window of that would disrupt the line of sight or hidden objects. High quality sunglasses can use polarization technology completely eliminate the glare. Four, eliminate certain frequencies of light; Certain frequencies of light will blur the line of sight, and some other frequency can enhance the contrast of light. For the sunglasses to choose the right color, make it in certain circumstances to get better results. Above this is a pair of high-quality sunglasses should have of function, when consumer is buying the best option is a professional glasses brand shop. Factory glasses sunglasses products such as sunglasses is from design, fashion and function as the starting point and foothold in maximize the interests of consumers to reduce costs, for every consumer to provide the most comfortable service and the most suitable products.
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