Dr. Robert T Chang is a board-certified, fellowship-trained refractive cataract and glaucoma specialist working at Stanford since 2009.
He focuses on premium lenses (Panoptix and Vivity) as well as minimally invasive glaucoma surgery (i.e. Hydrus, OMNI, ECP, KDB, Xen, MP3). His research team harnesses glaucoma insights from big data comprising electronic records, imaging databases, and a growing biorespository. Previously, he helped develop the normative databases for the ubiquitous optical coherence tomography (OCT). Currently he has interest in privacy preserving computational methods, validating predictive analytics, and testing novel portable medical devices for telemedicine. He is formally trained in biodesign (design thinking for medical devices) and process improvement science.
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What Our Patients Are Saying
I'm very grateful for Dr. Chang's care. He actively listened, studied my charts, and patiently answered all my questions and concerns. He went over my treatment plan that made sense ...
Dr. Chang is very patient & thorough. he did my right eye cataract surgery and it was excellent. looking forward to have my left eye done.
I am so glad that right eye now feels much better!! Thank you so much for the amazing surgery success!!!


Stanford Medicine Leadership Retreat 2023. Fireside Chat with James Manyika SVP Google on large language models, focus on Climate Change and Health, & emphasizing the People Imperative - Diversity and Inclusion.

Stanford Medicine Leadership Retreat 2023. Fireside Chat with James Manyika SVP Google on large language models, focus on Climate Change and Health, & emphasizing the People Imperative - Diversity and Inclusion.
"Napa Valley, the land of rolling hills and endless vineyards, where the air is filled with the aroma of grapes and the sound of clinking wine glasses."

"Napa Valley, the land of rolling hills and endless vineyards, where the air is filled with the aroma of grapes and the sound of clinking wine glasses."
A very exciting interventional glaucoma specialist meeting, and I loved hanging out with our specialty’s rockstar innovators! #igc Ike Ahmed Sheybani Arsham

A very exciting interventional glaucoma specialist meeting, and I loved hanging out with our specialty’s rockstar innovators! #igc Ike Ahmed Sheybani Arsham