lighting systems for medical use comprising a lens module, a light head comprising the lens module, and adjustable conduit for supporting the light head, and parts and fittings therefor

COMPUTER HARDWARE, AND COMPUTER PERIPHERALS; COMPUTER SOFTWARE FOR COMPUTER NETWORK ADMINISTRATION, MONITORING AND MANAGEMENT; COMPUTER SOFTWARE USED FOR MONITORING COMPUTERS AND SERVERS, DETECTION OF COMPUTER PROBLEMS AND INTRUDER ACCESS, ANALYZING COMPUTER HARDWARE, SOFTWARE AND NETWORK PERFORMANCE AND RESOURCES AND MANAGING COMPUTER NETWORK DEVICES AND COMPUTER ACCESS; AND USER MANUALS SOLD AS A UNIT THEREWITH