Biography
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.
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.
View Full Biography
Professional Summary
Education & Certifications
- Board Certification: American Board of Ophthalmology, Ophthalmology (2022)
- Fellowship: Stanford Health Care Byers Eye Institute (2022) CA
- Residency: Louisiana State University (2021) LA
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- Residency: University of British Columbia (2017) BC Canada
- Medical Education: University of British Columbia Faculty of Medicine (2015) BC
Publications
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Electroretinographic findings in retinal vasculitis.
Ghoraba, H. H., Matsumiya, W., Or, C., Khojasteh, H., Patel, P., Karaca, I., … Nguyen, Q. D. (2022). Electroretinographic findings in retinal vasculitis. The British Journal of Ophthalmology. -
Repeatability of electroretinogram measurements
Or, C. M., Ghoraba, H., Zaidi, M., Akhavanrezayat, A., Regenold, J., Uludag, G., … Nguyen, Q. D. (2022). Repeatability of electroretinogram measurements. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE. ASSOC RESEARCH VISION OPHTHALMOLOGY INC. -
Efficacy of infliximab and tocilizumab in non-infectious retinal vasculitis: 12-month outcomes
Karaca, I., Ghoraba, H., Hwang, J. J., Or, C. M., Matsumiya, W., Uludag, G., … Quan Dong Nguyen. (2022). Efficacy of infliximab and tocilizumab in non-infectious retinal vasculitis: 12-month outcomes. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE. ASSOC RESEARCH VISION OPHTHALMOLOGY INC. -
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Electroretinographic findings in retinal vasculitis
Ghoraba, H., Matsumiya, W., Patel, P., Or, C. M., Karaca, I., Regenold, J., … Nguyen, Q. D. (2022). Electroretinographic findings in retinal vasculitis. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE. ASSOC RESEARCH VISION OPHTHALMOLOGY INC. -
Novel retinopathy in pediatric retinal vasculitis: long term follow up
Yasar, C., Ghoraba, H., Regenold, J., Or, C. M., Halim, M. S., Uludag, G., … Quan Dong Nguyen. (2022). Novel retinopathy in pediatric retinal vasculitis: long term follow up. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE. ASSOC RESEARCH VISION OPHTHALMOLOGY INC. -
Spectral-domain optical coherence tomography morphological characteristics in patients with cone dystrophy
Khojasteh, H., Bazvand, F., Haidari, M., Mahmoudi, A., Mohammadi, S. S., Esfahani, H. R., … Quan Dong Nguyen. (2022). Spectral-domain optical coherence tomography morphological characteristics in patients with cone dystrophy. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE. ASSOC RESEARCH VISION OPHTHALMOLOGY INC. -
Posterior Segment Ocular Findings in HLA-B27 Positive Patients with Uveitis: A Retrospective Analysis.
Or, C., Lajevardi, S., Ghoraba, H., Park, J. H., Onghanseng, N., Halim, M. S., … Nguyen, Q. D. (2023). Posterior Segment Ocular Findings in HLA-B27 Positive Patients with Uveitis: A Retrospective Analysis. Clinical Ophthalmology (Auckland, N.Z.), 17, 1271–1276. -
Repeatability of photopic negative response parameters in normal subjects using Diopsys® NOVA™
Sendino, I., Akhavanrezayar, A., Yavari, N., Perez-Alvarez, A., Karaca, I., Park, S. W., … Nguyen, Q. D. (2023). Repeatability of photopic negative response parameters in normal subjects using Diopsys® NOVA™. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE. ASSOC RESEARCH VISION OPHTHALMOLOGY INC. -
Risk factors for development of anti-adalimumab antibodies in non-infectious uveitis.
Bromeo, A. J., Karaca, I., Ghoraba, H. H., Lyu, X., Than, N. T., Ongpalakorn, P., … Nguyen, Q. D. (2024). Risk factors for development of anti-adalimumab antibodies in non-infectious uveitis. Heliyon, 10(9), e29313. -
Efficacy and tolerability of subcutaneous repository corticotropin injection in refractory ocular inflammatory diseases.
Yavari, N., Ghoraba, H., Or, C., Thng, Z. X., Mohammadi, S. S., Karaca, I., … Nguyen, Q. D. (2024). Efficacy and tolerability of subcutaneous repository corticotropin injection in refractory ocular inflammatory diseases. Journal of Ophthalmic Inflammation and Infection, 14(1), 56. -
Characteristics of Patients with Adalimumab therapy that were Anti-adalimumab Antibodies Positive but Later turned Negative
Or, C., Hung, J.-H., Khatri, A., Bazojoo, V., Akhavanrezayat, A., & Nguyen, Q. D. (2024). Characteristics of Patients with Adalimumab therapy that were Anti-adalimumab Antibodies Positive but Later turned Negative. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE. ASSOC RESEARCH VISION OPHTHALMOLOGY INC. -
Trends in nationwide incidence of uveitis in South Korea using the National Health Insurance claims database from 2010 to 2021.
Hong, E. H., Kim, J., Park, S., Cho, H., Kang, M. H., Bromeo, A., … Nguyen, Q. D. (2024). Trends in nationwide incidence of uveitis in South Korea using the National Health Insurance claims database from 2010 to 2021. Eye (London, England).
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Electroretinographic findings in retinal vasculitis
Practice Locations
Retina and Macular Diseases Clinic in Palo Alto Palo Alto, CA
Palo Alto, CA
Retina and Macular Diseases Clinic in Palo Alto
2452 Watson Court
Palo Alto , CA 94303
Make An Appointment More Clinic Information Getting HereByers Eye Institute Palo Alto, CA
Palo Alto, CA
Byers Eye Institute
2452 Watson Ct
Palo Alto , CA 94303
Make An Appointment More Clinic Information Getting HereImportant Information about Our Organizations and Physician Affiliation
Stanford Health Care, Stanford Health Care Tri-Valley, and Stanford Medicine Partners are each independent nonprofit organizations that are affiliated with but separate from each other and from Stanford University. The physicians who provide care at facilities operated by Stanford Health Care, Stanford Health Care Tri-Valley, and Stanford Medicine Partners are faculty, foundation, or community physicians who are not employees, representatives, or agents of Stanford Health Care, Stanford Health Care Tri- Valley, or Stanford Medicine Partners. Stanford Health Care, Stanford Health Care Tri-Valley, and Stanford Medicine Partners do not exercise control over the care provided by such faculty, foundation, and community physicians and are not responsible for their actions.
Patient Reviews
(86 reviews)
Was seen quickly and received info on eye drop variations to better fit my needs
Dr Chi Or is very easy to talk to and very thorough. Explains well.
My first visit with this new provider went well. I'm satisfied with her.
Very pleasant, explained everything carefully
Dr. Or and everyone on his team are terrific
I was very happy with the care I received at Dr. Or’s Office. He seemed very knowledgeable and gave me good information regarding my eye problems.
Dr Or is very thorough and gave clear instructions. A very pleasant office visit. His assistant also was very
The doctor (forgotten name) was wonderful!
Outstanding in all respects.
Dr Or and his assistant were very kind and helpful during my annual check-up.
I noticed the excellent attention they have had with my husband that I decided to change to this clinic with Dr. Org.
Dr. or was thorough, showing care and concerns.
Outstanding!!
Clear, concise,
Staff friendly and helpful
no complaints
Dr. Or is an excellent doctor in all respects.
Everyone so very kind
First visit with this doctor. Medically he seems fine. Needs a lot of help with his interactive style! Felt that he was in a big rush, a bit patronizing, not a good feeling. Did not feel he had any interest in my questions or getting to know me.
Attentive and provided clear answers to all my questions
It was a good visit
Dr. Or, examined my eyes thoroughly and listened to my concerns. I appreciate his effort to investigate the cause (s) of my vision problems.
Great attitude - young, energetic vibe
very thorough excellent doctor
Everyone was nice and helpful
Everyone helpful and friendly, from front desk to nurse & doctor
This was the first time I met Dr Or. He was personable and knowledgable.
Kind explains what he is going todo
Dr. Or is a kind, compassionate, excellent Doctor!
Dr. is a very good doctor
Today's meeting with Dr. Or was my first. I was most impressed: He was thorough, highly professional, and very personable.
DR. ORR VERY KIND. . EXPLAINED TO ME VERY IMPRTANT DETAILS AFTER CONCUSSION AND BLURRY VISION. SEE EYE DR. WHO SPECIALIZE IN CONCUSSIONS AND VISION. HE WAS VERY KIND. . EXPLAINED THAT THIS IS NOT THE TIME TO GET MY NEW EYE GLASSES PRESCRIPTION. THE TIMING OF THIS VISIT WAS IMPORTANT. I AM SO THANKFUL FOR DR. ORR ADVICE AND PLEASANT KIND. . CARING DR.
The staff and medical professional are very kind.
Friendly and efficient
Thorough, direct, clear, explains well.
Spent a lot of time with us , very, very knowledgeable, took a great deal of interest, in my condition , recommended a realistic solution, and was overall involved. THE BEST!!!
The doctor paid attention to what I said
Professionals, no doubt.
Absolutely wonderful staff !
The nurse Amy was really really professional and kind.
Very knowledgeable and thorough
Everyone so kind and efficient. So impressive
Excellent
My technician was professional ,friendly and welcoming
Dr. Or is very competent and very clear in explaining medical care.
rHe spent much time with me explaining cataract surgery
All my questions were addressed.
Dr. Or is excellent! He listens and is kind, patient, caring.
Efficient, effective, pleasant
I liked how the Dr Check my eye and explained the reason why my eje was red
Lovely clinicians, kind, warm
He is a nice man but it is impossible to get in touch with him through My Health. He and Dr Sanislo decided to have Dr Or give me an injection, which is a new technology. I was told that someone would contact me with a date to do it. No one has contacted me. I wrote 3 times via my Health, Dr Sanislo contacted him twice, Dr Chiang contacted him, and an assistant contacted him and i still have had no word from him or anyone in his office.
on time , very friendly employees , great DR Orr
Explains every aspect thoroughly.
Dr Orr was really kind, informative, knowledgeable. Thank you
Dr. Or is excellent
Caring, good listener. Knowledgeable
Dr Or is awesomely thorough and appreciated as is Kim his MA. Thank You Very Much
Knowledgeable, friendly and polite.
Three appointments separated by short waits, all on time. Bravo!
Dr. Or was informative and personable.
Dr. Or was amazing! I would highly recommend him as a provider. He was very kind, approachable and understanding. In a fast paced health care system it is not always easy to find someone who is able to be efficient and compassionate :)
The only concern was crowding in the waiting area. My appt was on time, courteous, thorough and overall professional.
Dr. Or is an affable, good natured, friendly, knowledgable physician to whom I am honored to have.
above & beyond service
Very friendly. Explanations are very clear.
Good Guy
Dr. Or and his assistant seemed very thorough and careful in their examinations.
Dr. OR took time to explain everything and listen to my history and thoughtful treatment. Excellent visit
Provider was efficient and thorough, and answered my questions completely.
Punctual, kind and accommodating care
Happy with my visit to Dr. OR. GOOD Doctor. Caring
This is my first visit with Dr. Christopher Or since Dr. Kistler has retired. Dr. Or is very pleasant and detailed in his examination. He made sure all my questions have been answered. He also provided solutions and links to products that will help solve my problems.
Very Helpfull
My first visit and Dr.Or answered questions and was very diligent in explaining the tests he did for me. His assistant was very knowledgeable and welcoming.
Kim and Dr Or were very personable, very helpful and very professional. I would highly recommend this doctor and Clinic.
Excellent !
excellent
Excellent
Everyone and everything ran very smoothly and efficiently. Dr. Or was very nice.
Dr.Or is very pleasant to talk with and takes time to listen even if the office is really busy that day.
My visit was very successful, including meeting Dr Or.
Excellent care!
Very hard to schedule. Good luck if you need to reschedule. Hard to get through to anyone and return calls can take days.
Informative, on time, answered my questions
Very thorough
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