But don't think just because your glasses are dark tinted they offer ultra violet protection. 'The tint of a sunglasses lens has no effect on UV protection,' says O'Brien.
但不要以为太阳镜的颜色深就能更好地抵挡紫外线。奥布赖恩说:“太阳镜片的颜色对于紫外线防护没有效果。”
'While wearing darker lenses means that less light will enter your eye and will help you see better, the same amount of UV is blocked as if you were wearing shades with a lighter tint.'
“佩戴深色太阳镜片意味着进入眼睛的光更少,你看东西更清楚,但是,深色太阳镜阻挡的紫外线和浅色镜片是一样多的。”
And unless your sunglasses are offering good UV coverage, the tint means they will dilate your pupils and allow more UV light in than normal, so it's potentially worse than going without sunglasses if your glasses aren't up to scratch.
而且,如果你的太阳镜没有抵挡紫外线的功能,镜片颜色太深意味着你的瞳孔会放大,进入瞳孔的紫外线会比正常情况下更多,所以如果深色太阳镜不达标,效果比不戴太阳镜还糟。
The message? Don't fall for those designer look-alikes, unless you can verify their UV credentials. 'Look for a CE mark (a European standard of UV protection),' says O'Brien.
所以呢?不要被那些仿大牌的太阳镜蒙骗,除非你可以核实它们的紫外线认证信息。奥布赖恩说:“注意看CE产品认证标志(欧洲紫外线防护标准)。”
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