The Team
Board-certified, UCLA-trained physicians and an experienced clinical team — all in one physician-owned practice in Upland.
Marc Shomer, MD, PhD
Cataract & Comprehensive Ophthalmology
Dr. Marc Shomer is a UCLA-trained, board-certified comprehensive ophthalmologist with more than 20 years of experience in cataract surgery, glaucoma management, and advanced vision restoration. He serves as an Adjunct Associate Professor of Ophthalmology at the Keck School of Medicine of USC.
Robert Gunzenhauser, MD
Glaucoma & Cataract Surgery
Dr. Robert Gunzenhauser is a board-certified ophthalmologist and fellowship-trained glaucoma specialist, trained at the Jules Stein Eye Institute at UCLA, with expertise in comprehensive eye care, standard and premium cataract surgery, and minimally invasive and complex glaucoma procedures.
Meet Our Staff
From check-in to treatment, our experienced, compassionate staff is dedicated to making every visit comfortable and seamless.