Abstract / scope
Specifies the information to be marked and its location. Gives recommendations for further information in documentation accompanying the frames or available separately. Annex A is for information only.
ISO 9456:1991Withdrawn
Optics and optical instruments — Ophthalmic optics — Marking of spectacle frames
Optique et instruments d'optique — Optique ophtalmique — Marquage des montures de lunettes