The AGIS Investigators ∗The writing team members for this paper are: Fred Ederer, MA, FACE, Paul C. VanVeldhuisen, MS, Leonard G. Dally, MSc, Douglas E. Gaasterland, MD, E. Kenneth Sullivan, PhD, M. Angela Vela, MD, Arthur L. Schwartz, MD, Elizabeth Blackwell, ScD, Eydie Miller, MD, M. Bruce Shields, MD, Sriram Sonty, MD, and George Shafranov, MD.(A complete list of participants in the Advanced Glaucoma Intervention Study appears at the end of this article.)Correspondence to Fred Ederer, MA, FACE, The Advanced Glaucoma Intervention Study, AGIS Coordinating Center, 401 N. Washington St, Suite 700, Rockville, Maryland 20850; fax: 301-251-1355; e-mail: federer@emmes.com
PURPOSE: To compare in eyes of black and white patients the progression of glaucoma after failure of medical therapy and upon start of surgical intervention.DESIGN: Cohort study analysis of data from a randomized clinical trial.METHODS: This multicenter study included open-angle glaucoma patients who had failed medical therapy: 451 eyes of 332 black patients, 325 eyes of 249 white patients. Eyes were...