General Info

Dr. Keenan is a board-certified optometrist with the Stanford Health Care Byers Eye Institute and a clinical assistant professor in the Department of Ophthalmology. Dr. Keenan diagnoses and treats a wide range of ocular and visual issues, such as vision problems related to stroke, intracranial lesions and tumors, and other neurological conditions. His clinical experience involves recognizing and caring for complex neuro-ophthalmic diseases. These include complications from diseases of the nervous system that adversely affect vision.