Optical apparatus and instruments; Optical measuring instruments; apparatus for taking optical, ophthalmic, and/or facial measurements; apparatus and instruments for locating grooves, marks, and other indices on eyeglass lenses and ophthalmic lenses; barcode scanners for barcoded lenses and eyeglass frames; apparatus for checking the stress zone in ophthalmic lenses; apparatus and instruments for measuring the diameter of ophthalmic lenses; apparatus and instruments for locating the optical c...

Measurement and calibration devices for spectacle lenses and ophthalmic lenses, namely, centering and blocking apparatus and instruments; measurement and calibration devices for spectacle lenses and ophthalmic lenses, namely, centering and blocking apparatus and instruments, incorporating lens machining and grinding devices; measurement and calibration devices for spectacle lenses and ophthalmic lenses, namely, contour following and/or tracing apparatus and instruments for spectacle frame rim...