DIN EN ISO 8980-1-2017 眼科光学.未切边成品眼镜片.第1部分:单焦点和多焦点镜片规范(ISO 8980-1-2017);德文版本EN ISO 8980-1-2017
Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specifications for single-vision and multifocal lenses (ISO 8980-1:2017); German version EN ISO 8980-1:2017