人们在选购太阳镜时往往只考虑镜子的外观是否美丽,这是个严重错误。一块有色玻璃镜片毫无疑问会降低滤光度,但常常对最损害眼睛的紫外线无能为力。为了更好地保护消费者的权益。欧洲有关部门在近两年颁布了一条法规,强制要求眼镜制造 When people buy sunglasses often only consider the appearance of the mirror is beautiful, this is a serious mistake. A tinted glass lens will undoubtedly reduce the degree of filtration, but often can not do anything with the most damaging to the eye of UV light. In order to better protect the rights and interests of consumers. Relevant departments in Europe promulgated a law in the last two years, mandating the manufacture of eyeglasses