Abstract / scope
Specifies requirements for the optical and geometrical properties of semi-finished single-vision and multifocal lens blanks.
Optique ophtalmique — Verres de lunettes semi-finis — Partie 1: Spécifications pour les verres unifocaux et multifocaux
Specifies requirements for the optical and geometrical properties of semi-finished single-vision and multifocal lens blanks.