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From three big mistake don't let bad sunglasses put bad eyes

by:Eugenia     2020-07-31
Sorching summer, all kinds of summer goods sell well, and especially the sunglasses become hot commodities. But people often exist some misunderstandings in the process of consumption, which may bring some harm to consumers' health of body and mind. The Cleveland OO9245 29 men sunglasses/tan lines/tea tablets of choose and buy and wear sunglasses need to be very careful, otherwise not only cannot protect your eyes, may cause damage to eyesight health. A lot of choose and buy sunglasses were the most attention is the design of glasses, every time I picked up a sunglasses in front of the mirror to look at the style, as long as in line with their own face or more fashionable bought it, the other information no longer care about sunglasses. More worrying is that some people in order to covet is cheap, or just to keep out sunshine, casually on the roadside stall to buy a sunglasses and put up. The Cleveland OO9269 men sunglasses 04 / transparent/dazzle colour blue myth: can block the sunlight can protect an eye, according to relevant personage, wear sunglasses inferior, can burn the eyes. The pupil shrink under the strong light, using the regulating function of the human eye itself against uv rays and other harmful rays. In contrast, the pupil in light and dark conditions will enlarge. Wear sunglasses not uv inferior, the remnants of ultraviolet ray will be raking in the eyes, it is better to don't wear. If you often use this kind of uv protection sunglasses, not may burn my eyes. If burns are deep, the retina injury sensory cells may even cannot recover. The Cleveland OO9272 men sunglasses 07 / red/dazzle colour red erroneous zone 2: dark mirror can block ultraviolet sunglasses can block ultraviolet light, because the lens with a layer of special coating. After lens coating, at the same time of block, absorb ultraviolet light, also blocks the useful part of the light, make the light transmittance of the lens have fallen. Sunglasses block uv ability and the color of the mirror depth and there is no direct relationship, really good quality sunglasses, blocking ultraviolet ability is strong, light transmittance drop it few, does not affect the general sharpness of vision. Myth 3: children wear sunglasses sun summer vacation is coming, many parents have taken the time to take children go out tourism, afraid of the sun hurt the child's eyes, so buy a pair of sunglasses for children to block the sun. The pupils are sensitive to strong light stimulation reaction of children, under the strong light can reduce into the fundus of the light. Children's eye's ability to adapt is very strong, even some inferior sunglasses, children also can quickly adapt to and do not feel uncomfortable. Therefore, generally do not give children wear sunglasses for decoration, as far as possible not to wear for a long time.
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