Miniaturised TV camera.
D004581:Electronics / Q000295:instrumentation*; D006801:Humans; D007089:Image Enhancement / Q000295:instrumentation; D008853:Microscopy / Q000295:instrumentation; D008866:Microsurgery / Q000295:instrumentation; D008904:Miniaturization / Q000295:instrumentation*; D013508:Ophthalmologic Surgical Procedures; D009885:Ophthalmology / Q000295:instrumentation; D013523:Surgical Equipment; D013690:Television; D014743:Videotape Recording / Q000295:instrumentation