[Trabeculectomy combined with radical lobelike iridencleisis (author's transl)].

Between 1974 and 1977 the new combined operation was performed on 67 eyes with chronic, acute or secondary glaucoma. On observation i.o. pressure was found regulated in all eyes, but 15% needed subsidiary drugs. Complications did not occur more often than in the usual trabeculectomy. In performng surgery it is important to make the canal of Schlemm visible by diaphanoscopy to be sure to include it with the enlarged excision of sclerocorneal tissue. Through the method of excision and radial rupture of the iris lobe the entrance of the sclerociliary tunnel is opened widely. Imbedded iris tissue retards closing of the intended cleft and improves filtration.