World

Summer is the world of suglasses, fashion, sunglass is beautiful, radiation-proof, these functions let people more like wearing sunglasses, concerned expert points out, the choice to be more careful when sunglasses, not only pay attention to style, but ignore sunglasses itself quality problem. The following four unqualified sunglasses don’t wear:
1 anti-ultraviolet function misfit Sunglasses. Good sunglasses, can block eclipse lens 99% of ultraviolet ray. Wearing sunglasses ultraviolet prevention function, like in the eyes, now sees a pupil can greaten, instead of residual radiation into eyes, can make eye damage.
2 the rate of the unqualified sunglasses. Wear, can produce traffic signal recognition obstacle, easy cause traffic accident.
3, not mark the logo category sunglasses. Sunglasses are generally divided into three categories, namely for the lens, used to decorate the shading and color used to prevent XueMang or special glasses of water surface radiation.
4 combat performance requirements of sunglasses. When the external shocks in lens easily broken, for man’s eyes fragments formed lethal damage.
The expert warns broad customer, buying sunglass should try to select high-quality polarizing glasses.