UPMC Eye Center Grand Rounds-Retina Service- Dr. Zachary Koretz Dr Zachary Koretz will present a case from the Retina Service at UPMC Eye Center Grand Rounds on Friday, March 6, 2020 at 7 am. Drs Koretz and Chhablani will lead a discussion after the case presentation Read more about UPMC Eye Center Grand Rounds-Retina Service- Dr. Zachary KoretzCalendar