Tips Given by Experts: How to Pick Out the Right Sunglasses

A pair of sunglasses is a necessity. However, if you choose an inferior, substandard sunglasses, which not only can not resist ultraviolet light, but also will expand the pupil resulting in more ultraviolet absorption in lens of the eye. Therefore, the sunglasses are not optional accessories. Here are some tips for you to pay attention to when you choose best sunglasses.



Firstly, it is not necessary to wear sunglasses as long as the sun appears. The intensity of sunlight in different seasons and regions are making a big difference. Thus， whether wearing sunglasses depends on the intensity of the sunlight or intensity of its reflection not on seasons.



Secondly, it is better to choose the medium dark gray, brown, green Lens. No matter what color you choose, the first should be noted is the signs of UV. UV is the primary function of sunglasses, and some lenses of sunglasses or its packages are marked the signs of "100% UV protection", "UV400", "UV" and so on. The selection of lens color should be based on the color of the surrounding environment without distortion, sharp edges of objects that can identify and also can effectively distinguish different color lights. The gray, brown, green lenses are better because of their excellent absorption of infrared ray, ultraviolet. Gray lenses can absorb any chromatography equally. The scene seen through that color of sunglasses are darkened instead of apparent color difference; the brown lenses can filter out a large quantity of Blue-ray, improving visual contrast and clarity Especially in the severe air pollution or foggy region, that color of sunglasses are the first choice.



Some recent studies show that the Blue-ray entered in the eye will hurt people's eyes, and blue lenses can not filter out blue light in the solar spectrum. Therefore, you’d better avoid selecting the blue one.


Generally speaking, the darker the lens you choose, the better the effect it has. However, it does not mean greater protection ability to UV. In terms of UV protection function, many factors are involved such as materials, technology. To sum up, moderate dark of lenses are recommended.

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