Long-term follow-up of 700 trabeculectomies

BACKGROUND: A major focus of our study was to determine the value of postoperative intraocular pressure (IOP) in predicting the outcome of trabeculectomy (TE). PATIENTS AND METHODS: The medical charts of 547 patients undergoing glaucoma filtering surgery at the Department of Ophthalmology of the University of Cologne from 1987 to 1996 were reviewed. The eyes with congenital glaucoma and those treated with anti-metabolites were excluded. RESULTS: Defining the qualified criteria for success of trabeculectomy as an IOP