Glaucoma Technologies Enrolling Centers Publications
 AIG Study

Coordinating Center
Clinical Centers
University of Miami
University of Pittsburgh
Engineering Centers
Resource Centers

University of Southern California

Doheny Eye Institute

1450 San Pablo Street, Room 4707

Los Angeles, California 90033



Principal Investigator: Rohit Varma, M.D.

Study Coordinator: John Gil-Flamer







Rohit Varma, M.D., M.P.H.

Rohit Varma, MD, MPH is the principal investigator of the AIG clinical center at USC. Dr. Varma earned his medical degree at the University of Delhi, India. He completed his residency at the Wilmer Ophthalmological Institute at Johns Hopkins Hospital in Baltimore, Maryland and two glaucoma fellowships, one at the Wills Eye Hospital in Philadelphia, PA and the other at the Doheny Eye Institute, University of Southern California. Dr. Varma is Professor of Ophthalmology and Preventive Medicine, and Director of the Glaucoma Service and Ocular Epidemiology Center at the USC Keck School of Medicine. His primary research focuses on epidemiologic studies of eye disease in children and aging populations. Dr. Varma is the principal investigator of the Los Angeles Latino Eye Study (LALES) and the Multi-Ethnic Pediatric Eye Diseases (MEPED) Study. He is an expert on changes in the optic nerve in glaucoma, and is also studying new imaging techniques in the early diagnosis of glaucomatous optic nerve damage.


Vikas Chopra, M.D.

Vikas Chopra, MD, joined the faculty at USC Doheny Eye Institute as Assistant Professor of Ophthalmology at the Keck School of Medicine of the University of Southern California in August 2005. Dr. Chopra earned his MD from Pennsylvania State University’s College of Medicine in Hershey, Pennsylvania. He then completed his ophthalmology residency and glaucoma fellowship at the Kresge Eye Institute of Wayne State University in Detroit, Michigan. Dr. Chopra has presented numerous posters and talks at national meetings including the American Glaucoma Society, Association for Research in Vision and Ophthalmology, and American Society of Cataract and Refractive Surgery He has also authored several publications. His current areas of research interest include the modification of risk factors for failure of glaucoma therapy including non-compliance, the correlation of structure and function in glaucomatous optic neuropathy, and the use of lasers in glaucoma treatment. Dr. Chopra is also involved in clinical trials including the monitoring of glaucoma progression in the Los Angeles Latino Eye Study (LALES), and the Advanced Imaging for Glaucoma (AIG) study to improve detection and management of glaucoma.


Brian Francis, M.D.

Dr. Francis earned his M.D. from Tulane University School of Medicine in New Orleans, Louisiana. He also completed his ophthalmology residency at Tulane. He then completed his fellowship training in glaucoma at the University of California, San Francisco. Before joining the faculty at USC, Doheny Eye Institute, he served as Assistant Professor of Ophthalmology and Director of Glaucoma Services at Tulane University Department of Ophthalmology. He is currently an Associate professor at USC Keck School of Medicine / Doheny Eye Institute. Dr. Francis is also involved in major clinical trials including Los Angeles Latino Eye Study, Selective Laser Trebeculoplasty Study, as well as Advanced Imaging for Glaucoma Study. His interests include the development of novel diagnostic tests and treatments for glaucoma.


John H. Gil-Flamer, COT

AIGS Clinical Coordinator







Judith Linton, COA

AIGS Study Coordinator