Optical devices, apparatuses, machines, instruments and the systems formed therefrom, in particular, for producing, working and maintaining glasses, lenses and other vision aids of all types, Medical-technical devices, apparatuses, machines, instruments and systems formed therefrom for ophthalmology, in particular, for diagnostic and therapeutic treatment of eye diseases and for the determination of eye and vision characteristics, Software for producing and operating the devices, apparatuses, machines, instruments and systems listed in the foregoing classes, Furniture for equipping laboratories, doctors' offices, and clinics as pieces of equipment and for medical and medical-technical purposes; Working and maintaining of visual aids of all types; Maintenance, repair, servicing, modernization and development of devices, apparatuses, machines, instruments, systems and software listed in the foregoing classes; Training pertaining to the function and operation of devices, apparatuses, machines, instruments, systems, software listed in the foregoing classes; Organizational, technical and financial consultation for equipping laboratories, doctors' offices, clinics, and planning of such equipping; Telecommunication, in particular, teletransmission of data in the field of optics and ophthalmology; Development of programs for data processing, in particular, software for devices, apparatuses, machines, instruments and systems listed in the foregoing classes