How to choose the sun glasses

Function of sun glasses is very strong, not only can keep out sunshine, can also be decorated, so become more and more people in life indispensable sheet is tasted collocation. So how should choose the sun glasses? Small make up to tell you something. Sunglasses factory YC9702 general sunglasses C1 black box white legs/lens dazzle colour silver 1, observe the packing first observe lenses have scratches, impurity, air bubble, stripes, check the packing for sunglasses, regular sunglasses should be marked with name, color, diameter, quality levels, production factory name and trademark, the mirror or tags are marked as both UVA and UVB rays and CE mark sunglasses can ensure that block uv. 2, observation mirror sunglasses with your hands two horns on the fluorescent lamp, let the mirror reflective article gently rolling, if it is found that mirror the daylight lamp shades appear wavy, distortion, prove that the lens is not flat, the mirror can damage eyesight. Lens to level off, through higher acuity, sun lenses made of glass and resin, and a good sun glasses polarized lens should be used. 3, try to wear sunglasses when the choose and buy to try to have the feeling of dizziness, headache. Now there are some marked degree of myopia sunglasses on the market for sale, but because of pd and other indicators vary from person to person, so if there is no guidance of professional personage, consumer is good not to choose this prescription sunglasses. Ray-ban RB4201 - F men sunglasses 622/55 black 4, according to the situation of sunglasses color besides according to their color of skin, face, dress to match, also should choose according to in and out of place. In general, black, dark brown, grey filter effect 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. 6, whether UV protection sunglasses in addition to reduce glare, make the eyes comfortable outside, the main purpose is to prevent ultraviolet damage to the eyes, and whether the lens color and UV protection are two different things, even if the lens color deep, also won't be able to effectively prevent UV, UV resistant are marked so be sure to choose the lens. Usually sunglasses UV index at 96% 98%. Visible to choose a good pair of sunglasses is not so easy, need to consider many aspects. Want to know more different styles of sunglasses, you can browse our glasses sunglasses factory's official website.
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