It is the latest technique of operating a patient with Nasal and sinus disease. With the help of Telescope or Sinoscope which is attached to a camera. cold light is send by help of fibreoptic cable and the whole operating field is visualized on a TV/Computer screen and surgery is performed. Hence this technology of Sinus Surgery not only illuminates the operating field but simultaneous magnifies the field many time and carries the vision of the operating doctor too near to the operating site which some times is difficult with naked eye.