Theodore Leng
As we age, it's vital to maintain our eye health and vision to continue working, spending time with friends and family, and enjoying our lives to the fullest.

Science & Medicine Pioneer

Theodore Leng

Ophthalmology, Stanford University School of Medicine

Theodore Leng, M.D., M.S., is an internationally recognized specialist in vitreoretinal diseases and surgery and has been named one of the top 150 innovators in the field of retina. He serves as the Director of Clinical and Translational Research at the Byers Eye Institute at the Stanford University School of Medicine, Department of Ophthalmology in Palo Alto, CA, where he oversees more than 50 research programs.


Dr. Leng attended the Stanford University School of Medicine for his M.D. and completed his ophthalmology residency at Bascom Palmer Eye Institute in Miami, FL. After a postdoctoral and clinical fellowship in vitreoretinal diseases and surgery at Stanford, Dr. Leng joined the faculty in the department of ophthalmology at Stanford and is an associate professor. He has been named one of “America’s Top Ophthalmologists” by the Consumers’ Research Council of America and is a Castle Connolly "Top Doctor." Dr. Leng has published over 135 peer-reviewed manuscripts and serves as the Associate Editor for Ophthalmic Surgery Lasers and Imaging Retina. His current research interests include computer-aided and machine learning analysis of retinal images, cell-based therapies, clinical trials, multimodal imaging, and real-world evidence.

Dr. Leng is a founding member of the Collaborative Community on Ophthalmic Imaging and serves on the Horizontal Community on Foundational Principles of Ophthalmic Imaging and Algorithmic Interpretation, which has the goal of speeding the regulatory pathways for innovation in imaging-based systems, including Artificial Intelligence (AI), Augmented Intelligence, and Autonomous Intelligence systems, as well Software as a Medical Device (SaMD). Dr. Leng serves Stanford Health Care as the Medical Informatics Director for Ambulatory Specialties, helping to integrate technology solutions to advance clinical care.