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Four don't children choose and buy sunglasses

by:Eugenia     2020-08-13
Summer is coming, a lot of parents not only lining their own sunglasses, even the children. Experts remind you, but the sunglass factory glasses when choosing sunglasses for children to be careful, not only focus on the style, but ignore the sunglasses itself quality problem. The following four unqualified sunglasses don't wear.
1, uv protection function of sunglasses more in name than in reality. Good lenses, can stop more than 99% of the ultraviolet ray, and identify UV400 lenses are 100% ( 99. 99%) Block uv rays. With uv protection function of sunglasses, the eye is like in a dark room, the pupils get bigger, the remnants of ultraviolet ray will be raking in the eyes, make the eyes hurt. Good to store to buy or in high-profile glasses net flagship store to purchase. Small must not enough to buy out of the carpet, although those sunglasses can block ultraviolet light, but the lenses work are not in place, also is not qualified, don't because is cheap to buy it, bad eyes can cause different degree of damage to the eyes.
2, transmittance unqualified sunglasses. After wearing the sunglasses, can produce traffic signals to identify obstacles, easy to cause traffic accidents. All sunglasses, including fishing is a professional driving glasses, sports mirror, mirror the & # 8230; … Except for myopia glasses and reading glasses) Simple identification method for, can put sunglasses in sight, observations of distant places through the lens, such as window frame or door frame, then glasses from top to bottom and move around, goals should not have swings and wavy deformation.
3, not mark category id of the sunglasses. Sunglasses generally divided into three classes, namely for sunshade shade mirror, used for decoration light mirror and used in special mirror snow goggles or waterproof surface radiation. If there is no product category id, when consumer is buying can't correct recognition of the use of sunglasses, affect the use effect.
4, sunglasses, against performance does not meet the requirements. Lenses easily broken when impacted by external force, debris could become a fatal injury to the person's eyes. Picture frame material is very important also, general with plates, aluminium magnesium alloy, pure titanium. Different demand to the requirement of the sun is different also, have special used for movement of the polarized light sports mirror, polarized light driving glasses, polarized lens fishing, etc. , when buy, can ask the professional use of clear sunglasses. Experts warn broad customer, buy children sunglasses should to formal shop of choose and buy famous brand; When buying, should first try, and compare the wear before and after the color change is obvious, to wear sunglasses after see objects' color distortion is advisable.
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