Marianna Samuels

Marianna Samuels

Marianna Samuels, O.D., is a board-certified optometrist and clinical researcher based in San Diego. A Diplomate of the American Board of Optometry, she practices medical optometry at North County Eye Center, where she also serves as Medical Director of the Refractive Surgery Clinic. Dr. Samuels earned her Doctor of Optometry from the University of California, Berkeley, School of Optometry, graduating magna cum laude. Dr. Samuels is a recognized authority on traumatic brain injury and its effects on the visual system. She authored the chapter on neuro-ophthalmologic assessment in TBI for Brain Injuries: A Multidisciplinary, Illustrated Guide, and she serves as an expert witness on TBI-related eye and visual-pathway injuries, primarily for plaintiffs. 

Articles written by this author:

Seeing the invisible injury

Using neuro-visual experts to prove mild traumatic brain injury

Courtney Rowley
Marianna Samuels

2026 August