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The sun glasses to choose 'eight'

by:Eugenia     2020-08-05
The temperature is high, tedious jewelry and accessories can make men feel burden, at this time, a pair of already beautiful sunglasses can protect eyesight has become fashionable man cool best choose. Sunglasses not only have the function of decoration, but its protective function is the most important. Because if you can't isolate uv moderately, persistent down on formation damage eyes, so should pay special attention to the following points: when purchasing sunglasses laybourne RB4225 646/55 men sunglasses transparent first survey first lenses have scratches, impurities, bubbles, 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 symbol sunglasses can ensure that isolated from ultraviolet light. Ray-ban sunglasses RB3449 men silver/lens dazzle colour blue 004/55 of a second to choose to wear sun glasses to try have the feeling of dizziness, headache. Now the city road is marked by some degree of myopia sunglasses for sale, but because of distance and other target vary from person to person, so if there is no guidance of professional personage, is consumer had better not choose this kind of prescription sunglasses. Third sunglasses with your hands two horns on the fluorescent lamp, let the mirror reflective steep rolling, if it is found that the mirror reflection of the daylight lamp shades appear waves, distort, prove that the lens is not flat, the mirror can damage eyesight. Fourth lens flat, through higher acuity, sun lens material has two kinds of glass and resin, and the best sun glasses should choose the polarized lenses. It is lightsome precision selection and contact lenses made of synthetic resin, synthesized from 7 layer chip, and two coat of super hard wear-resisting layer. Layer 2 and layer is 6 shatter-proof strengthening layer; Layer 3, 5 is uv filter layer, the middle layer is polarized filter layer. Polarized lens can filter out the reflected light is useful and harmful uv rays, and have a shatterproof, wear, etc. Ray-ban sunglasses RB3532 men 001/68 gold 5 sunglasses color besides according to their color of skin, face, dress to match, also should be chosen according to the in and out of place. Usually is better to dark gray, brown, dark brown and black, blue and purple is the worst, because the two lenses will be through more ultraviolet light. 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 preferred, and can stop sucking the light object appearance reflect light, wear glasses can see fine part, is the driver selection; Dark green lens to heat absorption, bring cool and refreshing feeling, but low penetrability and clarity, suitable to wear when basking, while driving should not wear; Yellow, orange and light red as far as possible don't have to. The best selection of clearly marked on the label 100% uv protection products. The sixth lenses color depth is divided into 15%, 34%, 50%, 70%. 15% of room table all can wear; 34% of the appropriate usually outdoor environment; 50% of the sun and the sea right; 70% due to welding and other special purposes. How to choose the colour of the sun glasses degree of depth? Brief self-test method is to wear sunglasses, in front of a mirror to the pupil of fuzzy itself can be seen ( Is also called the 'eye', the pupil in the portrait, is to see it as) For the limit. Color too shallow, filter function is too small; Color is too deep, affect vision and weaken the sense of color. 7 sunglasses in addition to cut glare stimulation, make eyes comfortable outside, the main intention is to avoid ultraviolet for formation damage eyes, and lens color and UV protection are two different things, even if the lens color deep, also not necessarily can be useful against UV, UV proof was shown so be sure to select the function of the lens. Usually sunglasses UV index between 96% and 98%. Usually regular store had 8 sunglasses will check resistance capability of the uv equipment, through the check, you can know whether their glasses eyes have help for your health.
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