Ceiling suspension motorized operating microscope.
D006801:Humans; D008853:Microscopy / Q000295:instrumentation*; D009885:Ophthalmology / Q000295:instrumentation*; D010036:Otolaryngology / Q000295:instrumentation*; D010781:Photography; D013242:Sterilization; D013523:Surgical Equipment; D013637:Tape Recording; D013690:Television