This standard BS EN ISO 13666:2019 Ophthalmic optics. Spectacle lenses. Vocabulary is classified in these ICS categories:
11.040.70 Ophthalmic equipment
01.040.11 Health care technology (Vocabularies)
This document defines terms relating to ophthalmic optics, specifically to blanks, finished spectacle lenses and fitting purposes.
Terms relating to processes and material for fabrication and surface treatment (other than some specific terms relating to coatings), and terms relating to defects in materials and after optical processing are given in ISO 9802.