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Specializing In
- Strabismus
- Strabismus Surgery
Biography
Dr. Koo is an ophthalmologist specializing in pediatric ophthalmology, retinopathy of prematurity (ROP) and adult strabismus. She received her ophthalmology training at UC San Francisco and then her fellowship training in pediatric ophthalmology and adult strabismus at Boston Children's Hospital affiliated with Harvard Medical School. She has been board certified by the American Board of Ophthalmology since 2016. Her practice reflects her clinical interests in pediatric ophthalmology (strabismus, amblyopia, pediatric cataracts, and ROP) and in adult strabismus.
She utilizes Botox in management of adult and pediatric strabismus. She also uses hidden adjustable sutures in children and adults to optimize alignment of eyes with surgery. Muscles can be adjusted up to 7-10 days after surgery.
She also has an interest in teaching medical students and residents and improving surgical training.
She utilizes Botox in management of adult and pediatric strabismus. She also uses hidden adjustable sutures in children and adults to optimize alignment of eyes with surgery. Muscles can be adjusted up to 7-10 days after surgery.
She also has an interest in teaching medical students and residents and improving surgical training.
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Professional Summary
Education & Certifications
- Internship: Scripps Mercy Hospital San Diego (2012) CA
- Fellowship: Boston Children's Hospital (2016) MA
- Board Certification: American Board of Ophthalmology, Ophthalmology (2016)
- Residency: University of California at San Francisco School of Medicine (2015) CA
- Fellowship, Boston Children's Hospital, Harvard Medical school, Pediatric Ophthalmology (2016)
- Residency, UC San Francisco, Ophthalmology residency (2015)
- Internship, Scripps Mercy Hospital, Transitional Intern year (2012)
- Medical Education: University of Florida, College of Medicine (2011) FL
- MD, University of Florida College of Medicine (2011)
- BS, University of Florida (2007)
Honors & Awards
- Alpha Omega Alpha Honor Medical Society, Alpha Omega Alpha Honor Medical Society (2011)
- Association of Pathology Chairs Award, University of Florida College of Medicine (2009)
- Emergency Medicine Intern of the Year Award, Scripps Mercy Hospital, San Diego (2012)
- Farley Award, Boston Children's Hospital (2016)
- Heed Fellowship Award, Heed Ophthalmic Foundation (2015)
- House Officer Award for Clinical Research, Boston Children’s Hospital (2016)
- Member of Board of Trustees, California Academy of Eye Physicians and Surgeons (CAEPS) (2013)
- Mercy Style of Care Award, Scripps Mercy Hospital (2012)
- Vice President of Cordes Society, UC San Francisco Ophthalmology Alumni Society (2014)
Memberships
- Director, Medical Student Education for Ophthalmology (2021 - Present)
- Member, American Association for Pediatric Ophthalmology and Strabismus (2015 - Present)
- Member, American Academy of Ophthalmology (2012 - Present)
Publications
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Spatial summation of mechanically evoked muscle pain and painful aftersensations in normal subjects and fibromyalgia patients
Staud, R., Koo, E., Robinson, M. E., & Price, D. D. (2007). Spatial summation of mechanically evoked muscle pain and painful aftersensations in normal subjects and fibromyalgia patients. PAIN, 130(1-2), 177–187. -
Expanding indications for the Boston keratoprosthesis
Colby, K. A., & Koo, E. B. (2011). Expanding indications for the Boston keratoprosthesis. CURRENT OPINION IN OPHTHALMOLOGY, 22(4), 267–273. -
Risk Factors Associated with Incident Cataracts and Cataract Surgery in the Age-Related Eye Disease Study (AREDS) AREDS Report Number 32
Chang, J. R., Koo, E., Agron, E., Hallak, J., Clemons, T., Azar, D., … Chew, E. Y. (2011). Risk Factors Associated with Incident Cataracts and Cataract Surgery in the Age-Related Eye Disease Study (AREDS) AREDS Report Number 32. OPHTHALMOLOGY, 118(11), 2113–2119. -
TREATMENT OF NONNEOVASCULAR IDIOPATHIC MACULAR TELANGIECTASIA TYPE 2 WITH INTRAVITREAL RANIBIZUMAB Results of a Phase II Clinical Trial
Toy, B. C., Koo, E., Cukras, C., Meyerle, C. B., Chew, E. Y., & Wong, W. T. (2012). TREATMENT OF NONNEOVASCULAR IDIOPATHIC MACULAR TELANGIECTASIA TYPE 2 WITH INTRAVITREAL RANIBIZUMAB Results of a Phase II Clinical Trial. RETINA-THE JOURNAL OF RETINAL AND VITREOUS DISEASES, 32(5), 996–1006. -
Ten-Year Incidence Rates of Age-Related Cataract in the Age-Related Eye Disease Study (AREDS): AREDS Report No. 33
Koo, E., Chang, J. R., Agron, E., Clemons, T. E., Sperduto, R. D., Ferris, F. L., & Chew, E. Y. (2013). Ten-Year Incidence Rates of Age-Related Cataract in the Age-Related Eye Disease Study (AREDS): AREDS Report No. 33. OPHTHALMIC EPIDEMIOLOGY, 20(2), 71–81. -
Macular xanthophylls, lipoprotein-related genes, and age-related macular degeneration
Koo, E., Neuringer, M., & SanGiovanni, J. P. (2014). Macular xanthophylls, lipoprotein-related genes, and age-related macular degeneration. AMERICAN JOURNAL OF CLINICAL NUTRITION, 100(1), 336S–346S. -
An adolescent with a swollen nerve.
Koo, E., & de Alba Campomanes, A. G. (2015). An adolescent with a swollen nerve. JAMA Ophthalmology, 133(1), 97–98. -
Effect of Glaucoma Tube Shunt Parameters on Cornea Endothelial Cells in Patients With Ahmed Valve Implants
Koo, E. B., Hou, J., Han, Y., Keenan, J. D., Stamper, R. L., & Jeng, B. H. (2015). Effect of Glaucoma Tube Shunt Parameters on Cornea Endothelial Cells in Patients With Ahmed Valve Implants. CORNEA, 34(1), 37–41. -
Effects of Glaucoma Tube Surgery on Corneal Endothelial Cells: A Review.
Koo, E. B., Hou, J., Keenan, J. D., Stamper, R. L., Jeng, B. H., & Han, Y. (2016). Effects of Glaucoma Tube Surgery on Corneal Endothelial Cells: A Review. Eye & Contact Lens, 42(4), 221–224. -
Evaluation and Management of Acute Acquired Comitant Esotropia in Children.
Gilbert, A. L., Koo, E. B., & Heidary, G. (2016). Evaluation and Management of Acute Acquired Comitant Esotropia in Children. Seminars in Ophthalmology, 1–6. -
Treatment of Amblyopia and Amblyopia Risk Factors Based on Current Evidence.
Koo, E. B., Gilbert, A. L., & VanderVeen, D. K. (2016). Treatment of Amblyopia and Amblyopia Risk Factors Based on Current Evidence. Seminars in Ophthalmology, 1–7. -
Treatment of Amblyopia and Amblyopia Risk Factors Based on Current Evidence
Koo, E. B., Gilbert, A. L., & VanderVeen, D. K. (2017). Treatment of Amblyopia and Amblyopia Risk Factors Based on Current Evidence. SEMINARS IN OPHTHALMOLOGY, 32(1), 1–7. -
Global Practice Patterns in the Management of Infantile Cataracts.
Koo, E. B., VanderVeen, D. K., & Lambert, S. R. (2018). Global Practice Patterns in the Management of Infantile Cataracts. Eye & Contact Lens. -
Incidence of Cytomegalovirus-Related Ocular Disease in Pediatric Patients
Mercado, C., & Koo, E. B. (2018). Incidence of Cytomegalovirus-Related Ocular Disease in Pediatric Patients. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE, 59(9). -
Review of Ocular Manifestations of Joubert Syndrome.
Wang, S. F., Kowal, T. J., Ning, K., Koo, E. B., Wu, A. Y., Mahajan, V. B., & Sun, Y. (2018). Review of Ocular Manifestations of Joubert Syndrome. Genes, 9(12). -
Prenatal and postnatal inflammation-related risk factors for retinopathy of prematurity.
Goldstein, G. P., Leonard, S. A., Kan, P., Koo, E. B., Lee, H. C., & Carmichael, S. L. (2019). Prenatal and postnatal inflammation-related risk factors for retinopathy of prematurity. Journal of Perinatology : Official Journal of the California Perinatal Association. -
Review of Ocular Manifestations of Joubert Syndrome
Wang, S. F., Kowal, T. J., Ning, K., Koo, E. B., Wu, A. Y., Mahajan, V. B., & Sun, Y. (2018). Review of Ocular Manifestations of Joubert Syndrome. GENES, 9(12). -
Prenatal and postnatal inflammation-related risk factors for retinopathy of prematurity
Goldstein, G. P., Leonard, S. A., Kan, P., Koo, E. B., Lee, H. C., & Carmichael, S. L. (2019). Prenatal and postnatal inflammation-related risk factors for retinopathy of prematurity. JOURNAL OF PERINATOLOGY, 39(7), 964–73. -
Outcomes After Corneal Crosslinking for Keratoconus in Children and Young Adults.
Saleh, S., Koo, E. B., Lambert, S. R., & Manche, E. E. (2021). Outcomes After Corneal Crosslinking for Keratoconus in Children and Young Adults. Cornea. -
Social media and vision therapy: perspectives of providers and patients on Instagram.
Johnson, A., Khan, S., & Koo, E. B. (2021). Social media and vision therapy: perspectives of providers and patients on Instagram. Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus. -
Social Media and Retinal Detachment: Perspectives of Providers and Patients on Instagram
Alsoudi, A. F., Rayess, N., Khan, S., Koo, E., & Rahimy, E. (2021). Social Media and Retinal Detachment: Perspectives of Providers and Patients on Instagram. OPHTHALMIC SURGERY LASERS & IMAGING RETINA, 52(7), 391–395. -
Outcomes of corneal crosslinking for keratoconus in children and young adults
Saleh, S., Koo, E., Lambert, S., & Manche, E. (2021). Outcomes of corneal crosslinking for keratoconus in children and young adults. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE. ASSOC RESEARCH VISION OPHTHALMOLOGY INC. -
Readability and Content Analysis of Online Resources for Pediatric Ophthalmology
Khan, S. I., Idrizi, A., Khan, R. I., Htwe, T. S., & Koo, E. (2021). Readability and Content Analysis of Online Resources for Pediatric Ophthalmology. JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS. ELSEVIER SCIENCE INC. -
Referral patterns for infantile cataracts in two regions of the United States.
Huang, L. C., Kumar, P., Fredrick, D. R., Alcorn, D. M., Koo, E. B., Stell, L., & Lambert, S. R. (1800). Referral patterns for infantile cataracts in two regions of the United States. Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus. -
Prevalence and Characteristics of Cytomegalovirus Ocular Disease in Children: A Multi-Center Study.
Mercado, C. L., Froines, C. P., Gaier, E. D., Wang, Q., Indaram, M., Wan, M. J., … Koo, E. B. (2022). Prevalence and Characteristics of Cytomegalovirus Ocular Disease in Children: A Multi-Center Study. Clinical Ophthalmology (Auckland, N.Z.), 16, 2209–2217. -
Time to treatment of pediatric retinal detachments: A United States Claims-Based Analysis.
Archambault, C., Azad, A. D., Al-Moujahed, A., Vail, D., Wood, E., & Koo, E. B. (2022). Time to treatment of pediatric retinal detachments: A United States Claims-Based Analysis. Ophthalmology. Retina. -
Strabismus and Nystagmus in Patients with Pediatric Cataracts: Study using Insurance Claims Data.
Kim, S.-J. J., Slinger, K., Lambert, S. R., Koo, E., Shue, A., & Roberts, T. L. (2022). Strabismus and Nystagmus in Patients with Pediatric Cataracts: Study using Insurance Claims Data. American Journal of Ophthalmology. -
Global Practice Patterns in the Management of Infantile Cataracts
Koo, E. B., VanderVeen, D. K., & Lambert, S. R. (2018). Global Practice Patterns in the Management of Infantile Cataracts. EYE & CONTACT LENS-SCIENCE AND CLINICAL PRACTICE, 44, S292–S296. -
Real-world evaluation of amblyopic patient characteristics, clinical outcomes, and treatment patterns using the IRIS Registry.
Koo, E. B., Wiener, L. A., & Syntosi, A. (2023). Real-world evaluation of amblyopic patient characteristics, clinical outcomes, and treatment patterns using the IRIS Registry. Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus. -
An Evaluation of Popular Online Eye Health Products on Amazon Marketplace
Alsoudi, A. F., Loya, A., Abouodah, H., Koo, E., & Rahimy, E. (2023). An Evaluation of Popular Online Eye Health Products on Amazon Marketplace. OPHTHALMIC SURGERY LASERS & IMAGING RETINA, 54(3), 147–152. -
Anterior segment ischemia following strabismus surgery in a young adult using gender-affirming estrogen hormone therapy.
Al-Lozi, A., Koo, E. B., Lambert, S. R., Levin, M. H., Velez, F., Do, D. V., & Shue, A. (2023). Anterior segment ischemia following strabismus surgery in a young adult using gender-affirming estrogen hormone therapy. Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus.
Practice Locations
Adult Strabismus Clinic Palo Alto, CA
Palo Alto, CA
Adult Strabismus Clinic
2452 Watson Court
Palo Alto , CA 94303
Make An Appointment More Clinic Information » Getting Here »Byers Eye Institute Palo Alto, CA
Palo Alto, CA
Byers Eye Institute
2452 Watson Court
Palo Alto , CA 94303
Make An Appointment More Clinic Information » Getting Here »Important 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
(52 reviews)
Doctor Koo is the best receptionists need more people person friendliness maybe even crack a smile
Euna Koo is an expert in her field, highly professional, and I would send anyone her way who was in need of her expertise
Dr Koo is a exceptional physician and a great person.
excellent care
The best doctor
Excellent rapport. Very thorough and took time during examination, explaining everything.
excellent care !
Excellent Dr.
I love Dr koo!!
Dr Koo and her team are professional, competent, and reassuring.
Everything was taken care of.. so much hope.
Very thorough and thoughtful. Very concerned that I get the best result.
Everyone I came in contact with on my first visit was friendly, professional, thoroughly explained everything and answered any questions I had
This was my second visit with Dr. Euna Koo and Orthoptist Rhea Nelson and both are excellent. After an indepth assessment in my first vist, they prescribed prism glasses to address my peripheral double vision, which resolved that problem. I never felt rushed, and I felt that they were truly concerned about my problem and were determined to find a solution. Just a fantastic experience, one of the very best I've received aywhere! (I'm old so I've seen a lot of doctors :) )
Very caring and extremely knowledgable.
Very pleased with her care….
The discussion with Dr Koo was very meaningful. It was pleasant and relevant to me personally. Extent of testing was helpful
Rhea and Dr. Koo were lovely and informative as always
Dr. Koo is very thorough
Excellent doctor and her helper was wonderful.
I was seen by multiple (four) doctors/assistants and all of them were friendly and careful to explain what they were doing.
My care at Byers Eye Institute has been without any reservations. Exceptional!
They always have attended me excellently good.
Awesome care!!
Dr. Koo was wonderful. She answered all my questions and was very reassuring. Thanking ME after the procedure for trusting her. I will continue my treatments with Dr. Koo without any reservations.
Great doctor.
Dr. Koo was highly recommended by a friend. I would recommend her to family & friends.
The doctor really went above & beyond. Examining me & giving me numerous explanations about my care. Really took the time to understand what has been going on with me. Dr. Koo is amazing!
I would like to see following notes posted in MyHealth to remember what transpired at the meeting.
Dr. Euna Koo is "the best"!!
My father was a doctor and I am a retired doctor so I think I know something about evaluating physicians. I would tell you Dr. Koo is a keeper. You are fortunate to have her.
Dr. Koo is like a friend, she spends time w/ you, not like many other doctors who only spent 15 min.
Dr. Euna Koo was wonderful. Did not rush appointment.
All delightful MD's or MD's in training.
My total experience with Dr. Koo was both professional, courteous, and promising.
I really Dr. Koo, she seems very capable of giving me the care I need.
Very good!
Dr. Koo always shows concern and answers all my question.
Dr. Koo is a beautiful person on the inside as well as on the outside. You can tell that she loves what she does. What she did for my son was life changing.
Dr. Koo is very high energy, professional, patient person. We looked forward to seeing Dr. Koo at every visit.
Dr. Koo was very informative. I was highly confident in her abilities. She made us feel very comfortable.
Dr. Koo was very passionate and informative in helping me understand the process of surgery.
Dr. Koo is outstanding. The friendliest and most accessible doctor I've ever seen at Stanford. Showed real concern and I would have full confidence in her (although it turns out I don't need this surgery).
Dr. Koo made me feel confident before the procedure.
Excellent after care provided. Thank you so much.
I love Dr.Koo and grateful for her care and compassion. I feel safe and in good hand when I'm with her.
Dr. Koo is great. She is very good at what she does. Very present, I feel her concern and I feel confident & safe with her because she truly cares about me & my well being.
I felt rushed and no real explanation of why my eye was acting the way it did.
I come to my appointment anxious and nervous but after talking w/meeting and having my surgery explained & questions answered I felt safe & confident having Dr. Koo as my caretaker.
Dr. Koo is very knowledgeable with my questions. I am happy to have her help me with my concerns.
Dr. Koo is amazing in her depth of knowledge and her patience in answering my many questions about my "high risk" eye surgery. I recommend her highly!
I love Dr. Koo. I feel very lucky to have seen her. Thank you, Dr. Koo.
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Referring Physicians
PHYSICIAN HELPLINE
Phone: 1-866-742-4811
Fax: 650-320-9443
Monday–Friday, 8 a.m.–5 p.m.
Fax: 650-320-9443
Monday–Friday, 8 a.m.–5 p.m.
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You may also submit a web referral or complete a referral form and fax it to 650-320-9443 or email the Referral Center at ReferralCenter@stanfordhealthcare.org.
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