In 1968, Banko founded Surgical Design and committed the company to innovation in the design and development of ophthalmic instruments .He followed up his invention for cataract surgery by not only inventing instruments for vitreo-retinal surgery but also patented the actual surgical procedure for closed vitrectomy.The result was a milestone in eye surgery: an automated, computerized vitrectomy system, completely under the surgeon's control .Extensive courses were given by the Retina Foundation of Boston and Surgical Design to surgeons throughout the world, teaching them the techniques of vitreo-retinal surgery.
