What will you pay attention to the choice of sunglasses

What will you pay attention to the choice of sunglasses? Sunglasses selection has become people to travel, but a lot of people on the choice of sunglasses have no attention, also don't know how to choose sunglass is better, in fact, the choice of sunglasses is to have cultured. First is the choice of wearing comfortable sunglasses need to pay attention to? Sunglasses first have to wear comfortable, without this premise to estimate wear soon be scored, after wearing such as feel uncomfortable, dizziness, headache, it directly, need not consider, this is glasses lens design has a problem or designed for special eyes, serious doesn't fit. The second is to protect the function of sunglasses choice need to pay attention to? Followed by protection, uv protection, avoid bright lights dazzling, etc are the basic function of sunglasses, and most sports sunglasses are veneered radian design, can effectively prevent wind and foreign bodies in the outdoors to the stimulation of the eyes, or sand bigger, a few trip the wind falling tears. The third is the real natural sunglasses choice need to pay attention to? And to see the real nature, landscape color distortion. Lens color in medium depth of gray, brown, green for the choice of good sunglasses need to pay attention to? No matter what color to choose, the first to notice uv, uv protection is the prime function of sunglasses, some sunglasses lens or on the package '100% uv protection', 'UV400', 'uv' logo. If wear not the inferior sunglasses block uv, into the eyes of ultraviolet rays more than don't wear sunglasses, are more likely to cause eye damage. Regular eye shop usually have sunglasses uv protection ability of the measurement instrument. Lens distortion of color choice should be the color of the surrounding environment, 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. Grey lens for any chromatography can balance absorption, wearing glasses can see scenery will only after dark and do not have clear off color, Dark brown lens can filter out a lot of blue light, which can improve visual contrast and clarity, under the condition of air pollution is serious, or foggy wearing effect is a plus. Also, consider material, style, polarization, photosensitive ( Color) The function such as choice.