Bio


Ryan Keenan, OD, is a Clinical Assistant Professor at Stanford University School of Medicine.

He earned his Doctor of Optometry from the Pennsylvania College of Optometry at Salus University. Following this, he complete an advanced ocular disease residency at The Eye Institute of the Pennsylvania College of Optometry focused on neuro-ophthalmic disease. Originally from the Baltimore area, Dr. Keenan completed his undergraduate studies at Loyola University Maryland, earning a Bachelor of Science degree in Biology.

Clinical Focus


  • Optometrist

Academic Appointments


  • Clinical Assistant Professor, Ophthalmology

Professional Education


  • Residency, The Eye Institute of the Pennsylvania College of Optometry, Ocular Disease | Neuro-Ophthalmic Disease
  • Doctor of Optometry, Pennsylvania College of Optometry at Salus University
  • Bachelor of Science, Loyola University Maryland, Biology