A system for effecting precision laser surgery includes an intensified surgical video microscope directed at the tissue to be operated upon and having zoom capability. The surgical microscope presents a microscopic image on a video screen in front of the surgeon. Preferably, the video screen is divided...http://www.google.co.uk/patents/US5098426?utm_source=gb-gplus-sharePatent US5098426 - Method and apparatus for precision laser surgery
