Measuring and/or marking and/or contour follower and/or tracer and/or centering apparatus and instruments, all for spectacle frame rims and/or spectacle lenses and/or ophthalmic lenses and/or lens patterns also incorporating spectacle lens and ophthalmic lens machining and edging functions, or intended for use in association with edgers; parts and components for all the aforesaid apparatus and instruments; remote controls for the aforesaid apparatus and instruments; software for controlling and monitoring the aforesaid apparatus and instruments; cables and connectors for electric power supply to the aforesaid apparatus and instruments and for connecting these to edgers or personal computers; wireless telecommunications apparatus and modems for interlinking, interconnection and/or intercommunication of various terminals, equipment and workstations in opticians' shops, optical stores, optical laboratories and/or workshops, and for data storage from the different apparatus; software for remote edging of spectacle lenses and ophthalmic lenses; laboratory management software for the manufacture, machining and coating of ophthalmic lenses and spectacle lenses; software for quality control of spectacle lenses and ophthalmic lenses; software for online ordering of spectacle lenses and ophthalmic lenses; software for managing the processing and production of online orders for spectacle lenses and ophthalmic lenses; refractors; refractometers; ophthalmological refractometers, namely, auto-refractometers; keratometers [measuring instruments]; ophthalmic lenses; spectacle lenses; blanks for spectacle lenses; semi-finished blanks for spectacle lenses