Michael Xavier Repka MD

Professor of Ophthalmology, Professor of Pediatrics, Johns Hopkins University School of Medicine; Vice Chair for Clinical Practice, Wilmer Eye Institute, Chief, Division of Pediatric Ophthalmology and Adult Strabismus

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1800 Orleans StreetMaumenee LobbyBaltimore, MD 21287
Phone+1 410-955-5080
Fax+1 410-955-0809

Education & Training

Sidney Kimmel Medical College at Thomas Jefferson University/Wills Eye HospitalResidency, Ophthalmology, 1980 - 1983
Pennsylvania Hospital of the University of Pennsylvania Health SystemInternship, Internal Medicine, 1979 - 1980
Sidney Kimmel Medical College at Thomas Jefferson UniversityClass of 1979

Certifications & Licensure

MD State Medical License 1983 - 2025
PA State Medical License 1980 - 1986
NJ State Medical License 1981 - 1984

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2013
Fellow (FAAO) American Academy of Ophthalmology

Clinical Trials

Occlusion Versus Pharmacologic Therapy for Moderate Amblyopia Start of enrollment: 1999 Apr 01
Completed
Phase 3
Trial Comparing Daily Atropine Versus Weekend Atropine Start of enrollment: 2002 Jun 01
Completed
Phase 4
Trial Comparing Part-time Versus Minimal-time Patching for Moderate Amblyopia Start of enrollment: 2001 May 01
Completed
Phase 3
Trial Comparing Part-time Versus Full-time Patching for Severe Amblyopia Start of enrollment: 2001 May 01
Completed
Phase 3
Study of Primary Surgical Treatment of Nasolacrimal Duct Obstruction in Children Less Than Four Years Old Start of enrollment: 2005 Feb 01
Completed
Study of Surgical Procedures for Treatment of Persistent Nasolacrimal Duct Obstruction in Children < 4 Years Old Start of enrollment: 2005 Feb 01
Completed
Pilot Study to Evaluate Levodopa as Treatment for Residual Amblyopia Start of enrollment: 2009 Jan 01
Completed
Phase 2
Levodopa for the Treatment of Residual Amblyopia Start of enrollment: 2010 Sep 01
Completed
Phase 3
Telemedicine Approaches to Evaluating Acute-phase ROP Start of enrollment: 2011 Jul 01
Completed
Telemedicine Approaches to Evaluating Acute-Phase ROP eROP Implementation Project Start of enrollment: 2014 Jul 01
Terminated
Caffeine in Amblyopia Study Start of enrollment: 2014 Oct 01
Withdrawn
Phase 1, Phase 2
Low-Dose Atropine for Treatment of Myopia Start of enrollment: 2018 Jun 01
Completed
Phase 3
A Randomized Trial to Evaluate Sequential vs Simultaneous Patching Start of enrollment: 2020 Dec 08
RECRUITING
PHASE3
Roles: Contact
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Publications & Presentations

PubMed

Associations between School-Based Vision Program Outcomes and School Characteristics in 410 Schools.
Medha Kallem, Xinxing Guo, Xi Dai, Christina Ambrosino, Andrew Nguyen
Ophthalmology. 2025-04-01
Controversies in Myopia Control Treatment: What Does It Mean for Future Research?
Carla Lanca, Michael X Repka, Andrzej Grzybowski
American Journal of Ophthalmology. 2025-04-01
Practices of a United States school-based vision program in referring children to community eye care.
Christina M Ambrosino, Xinxing Guo, Andrew Nguyen, Medha Kallem, Xi Dai
Journal of AAPOS. 2025-03-07

Journal Articles

Myopia Control with Low-Dose Atropine Eyedrops
Michael Repka, MD, JAMA Ophthalmology

Press Mentions

Digital Therapy Treatment for Amblyopia Receives FDA ClearanceOctober 12th, 2022
The Myopia GenerationSeptember 13th, 2022
American Academy of Ophthalmology Urges CMS to Address Prior Authorization, Other Burdens in Medicare AdvantageAugust 9th, 2022
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