2017EN ISO 8980-1:2017 Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specifications for single-vision and multifocal lenses
2004EN ISO 8980-1:2004 Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specifications for single-vision and multifocal lenses ISO 8980-1: 2004; Incorporating Corrigendum September 2006
1997EN ISO 8980-1:1997 Opthalmic Optics - Uncut Finished Spectacle Lenses - Part 1: Specifications for Single-Vision and Multifocal Lenses