Bio

Dr. Or is a board-certified ophthalmologist and family medicine physician. He received advanced uveitis training through the uveitis and medical retina fellowship at Stanford University School of Medicine. Prior to residency, he also completed a fellowship in optical coherence tomography (OCT) research at the New England Eye Center. Dr. Or treats patients at the Byers Eye Institute at Stanford Health Care and Menlo Medical Clinic in Menlo Park. He is also a clinical assistant professor in the Department of Ophthalmology at the Stanford University School of Medicine.

Dr. Or treats many eye diseases, including age-related macular degeneration, cataracts, and uveitis. He emphasizes using imaging to diagnose and monitor the progression of eye conditions.

His research interests include eye imaging methods such as OCT and OCT angiography (OCTA). Dr. Or has studied these imaging techniques for years, first as a research assistant, then as a fellow, and now as a principal investigator. He has studied using these imaging techniques for diagnosing and monitoring age-related macular degeneration, diabetic retinopathy, and uveitis.

He is actively involved in clinical trials for optical imaging and serves as principal investigator in clinical trials assessing different medications to treat eye diseases.

Dr. Or has published numerous peer-reviewed articles on topics such as optical imaging, autoimmune eye diseases, and vascular eye diseases. His research has appeared in prestigious journals including Clinical Ophthalmology, Ocular Immunology and Inflammation, Retina, the American Journal of Ophthalmology, and many other ophthalmology journals worldwide.

He is a member of the American Academy of Ophthalmology, the American Society of Retina Specialists, and the Association for Research in Vision and Ophthalmology (ARVO). Dr. Or has presented his research at various national and international meeting several times.

Clinical Focus

  • Ophthalmology

Academic Appointments

  • Clinical Assistant Professor, Ophthalmology

Professional Education

  • Board Certification: American Board of Ophthalmology, Ophthalmology (2022)
  • Fellowship: Stanford Health Care Byers Eye Institute (2022) CA
  • Residency: Louisiana State University (2021) LA
  • Residency: University of British Columbia (2017) BC Canada
  • Medical Education: University of British Columbia Faculty of Medicine (2015) BC

Contact

  • Academic
    chrisor@stanford.edu
    University - Academic staff Department: Ophthalmology Clinic and Education Position: Clinical Assistant Professor
  • Clinical (Primary)  Stanford Byers Eye Institute 2452 Watson Ct MC 5353 Palo Alto, CA 94303 (650) 725-6619 (fax)

Additional Clinical Info

Additional Info

  • Mail Code: 5353

All Publications

  • Electroretinographic findings in retinal vasculitis. The British journal of ophthalmology Ghoraba, H. H., Matsumiya, W., Or, C., Khojasteh, H., Patel, P., Karaca, I., Regenold, J., Zaidi, M., Hwang, J., Lajevardi, S., Yavari, N., Than, N. T., Park, S. W., Akhavanrezayat, A., Uludag, G., Yasar, C., Leung, L. B., Nguyen, Q. D. 2022

    Abstract

    To describe and correlate electroretinographic responses with clinical and angiographic findings in retinal vasculitis (RV).Medical records of patients with diagnosis of RV at a tertiary eye centre from December 2017 to May 2021 were reviewed. Cases in which fluorescein angiography (FFA) and full field electroretinography (ffERG) were done within 1 month were included. FFAs were graded according to the Angiography Scoring for Uveitis Working Group from 0 to 40, where 0 is normal. A novel ffERG grading system was implemented where individual waves were graded for timing and amplitude and general ffERG score was determined with 6 being a perfect score.20 patients (34 eyes) were included. Mean age was 43.9±19.8 years; 70% were female. Median best-corrected visual acuity was 0.8 (0.08-1). Mean FFA score was 12.6±6.5. Median general ffERG score was 5 (0-6). 68% and 91% of eyes had responses with general ffERG scores ≥5 and 4, respectively. Flicker timing was most commonly affected.FFA scores weakly correlated with delayed photopic cone b-wave and flicker timing (p=0.03 and 0.016, respectively). Vitreous haze moderately correlated with delayed cone b-wave timing (p<0.001), delayed flicker timing (p=0.002) and weakly correlated with lower flicker amplitude (p=0.03). Underlying systemic disease was associated with poor ffERG responses.In this study, RV was not frequently associated with severe global retinal dysfunction Higher FFA scores, and vitreous haze grading were weakly, but significantly, correlated with cone-generated ffERG responses.

    View details for DOI 10.1136/bjo-2022-321716

    View details for PubMedID 36130816