Measuring geometric parameters required to locate ophtalmic lenses in spectacles frames

Official title: {Measuring geometric parameters required to locate ophtalmic lenses in spectacles frames (apparatus for testing or instruments for examining the eyes per se A61B3/00; machines or devices and accessories for grinding the edges of lenses using spectacles as a template B24B9/144)}

G02C13/005 (Measuring geometric parameters required to locate ophtalmic lenses in spectacles frames) appears on 389 US grants and 384 published applications in this corpus.