Program Co-Directors

Mary Elizabeth Hartnett, MD

Program Director Stanford Byers Eye Institute

Mary Elizabeth Hartnett, MD holds the Calvin S. and JeNeal N. Hatch Presidential Endowed Chair in Ophthalmology and Visual Sciences and is a Distinguished Professor at the University of Utah. She is an adjunct professor at the University of Utah departments of Neurobiology and Pediatrics. Dr. Hartnett is the founder and director of Pediatric Retina at the John A. Moran Eye Center and principal investigator of the Retinal Angiogenesis Laboratory.

As director of Moran’s Pediatric Retina Center, Dr. Hartnett is one of a few pediatric retina specialists internationally trained to diagnose and treat pediatric retina disorders, which disrupt the healthy development of the light-sensitive tissue at the back of the eye. She also practices as a vitreoretinal surgeon, providing treatment to patients throughout the Mountain West. She performs surgery at the Moran Eye Center and Primary Children’s Hospital.

Her mission is to deliver the best possible care and education while conducting critical research to make future advances in pediatric retina care.

She created the first-ever academic textbook on the subject, Pediatric Retina, in its third edition, which has proven to be an invaluable resource for residents and ophthalmologists internationally. She is a co-director of the Advances in Pediatric Retina meeting held every two years, most recently in 2019 at the U.

Dr. Hartnett has received numerous awards, including the Weisenfeld Award, the highest award for clinician-scientists given by the Association for Research in Vision and Ophthalmology (ARVO), in 2018. She received the 2019 Paul Kayser/Retina Research Foundation Global Award, the Macula Society’s 2016 Paul Henkind Award and its 2019 Arnall Patz Medal, and the 2021 Suzanne Veronneau-Troutman Award, the most prestigious award from Women in Ophthalmology. In 2022, she will receive the Gertrude Pyron award, the highest award from the American Association of Retina Specialists. She was one of six at the University of Utah to receive a distinguished research award, for Pediatrics and Ophthalmology.

Dr. Hartnett’s prolific publication record includes more than 225 articles in peer-reviewed journals and over 40 book chapters. She has delivered numerous national and international invited lectures. Her long list of professional committee work includes serving as chair of the Publications Committee of ARVO, as a mentor for the ARVO Leadership Development Program, and in leadership positions internationally as chair of the research advisory committees for The Macula Society and the Jack McGovern Coats Disease Foundation as well as Chair of the Credentialing Committee for The Retina Society. She reviews manuscripts for more than 20 eye and science journals and serves on the editorial boards of PlosOneMolecular Vision, and the American Journal of Ophthalmology. Dr. Hartnett is a Fellow of the American College of Surgeons (FACS) and a Silver and Gold Fellow of the Association for Research in Vision and Ophthalmology (FARVO).

Lejla Vajzovic, MD

Program Co-Director Duke University, Department of Ophthalmology

Lejla Vajzovic is a vitreoretinal surgeon with expertise in adult and pediatric retinal diseases and surgery.  She is a Director of Duke Vitreoretinal Fellowship Program and is a tenured Associate Professor of Ophthalmology at Duke University.  She is passionate about translational research and collaborates closely with Duke Biomedical engineers to develop imaging devices to improve ophthalmic care.  She serves as a principal investigator for numerous national clinical trials in early to late stages of development.  Her research interests span from pediatric retinal diseases such as retinopathy of prematurity to adult diseases such as age-related macular degeneration, diabetic retinopathy and venous occlusive diseases, as well as vitreoretinal surgical topics such as retinal tears, retinal detachments, macular holes and macular puckers.

In addition, Dr. Vajzovic is interested in cutting edge technologies and recovery of vision in hereditary and common retinal diseases with gene-therapy, stem cell technology and retinal implants. She is a co-director of the Duke Pediatric Retina and Optic Nerve Center, and she directs the Duke Center for Artificial and Regenerative Vision, where performs gene-therapy delivery and she implants the Argus II “bionic eye” to restore vision to individuals with total blindness. An influential educator, she organizes and directs several highly successful national and international courses, including the first-of-its-kind Advances in Pediatric Retina Course at Duke and the international Duke Fellows Advances in Vitreous Surgery Course. She is director of prestigious Duke Vitreoretinal Surgical Fellowship and director of Duke Eye Center’s Continuing Medical Education program.

Dr. Vajzovic completed her vitreoretinal fellowship training at Duke and residency training at Bascom Palmer Eye Institute in Miami, FL.  While in training, she received Heed Fellowship Award, Society of Heed Fellows Award and Retina Society Research Award. She is active on the Women in Ophthalmology Board of Directors where she serves as a Chair of Clinical Trial Training Program.  She is also elected member of the Retina Society, Macula Society and Club Jules Gonin Society.  Dr. Vajzovic has been awarded the American Academy of Ophthalmology Achievement Award, American Society of Retina Specialists Senior Honor Award, Women in Ophthalmology Emerging Leader Award and Emerging Leader Award by Duke University School of Medicine and Duke Medical Alumni Association.


J. Peter Campbell, MD, MPH

Oregon Health & Science University Portland, Oregon

Dr. Campbell obtained a bachelors degree in Physics from Davidson College, in Davidson, N.C., followed by medical school and residency at The Johns Hopkins Hospital and the Wilmer Eye Institute.  He also obtained a Master’s Degree in Public Health from Johns Hopkins. Following his vitreoretinal fellowship at the Casey Eye Institute, he returned to Wilmer to serve as the Stephen J. Ryan Assistant Chief of Service for 2014 – 2015.

Dr. Campbell’s current research interests focus on utilizing technology to improve the care of patients with retinal disease, domestically and overseas.  He is involved with ongoing research projects in retinopathy of prematurity, imaging in pediatric retinal disease and diabetic retinopathy, and is participating in numerous clinical trials with the Casey Eye Institute Retina Division.

Michelle T. Cabrera, MD

University of Washington Seattle, WA

Dr. Cabrera is a UW Associate Professor of Ophthalmology and Chief of Ophthalmology at Seattle Children’s. A graduate of Stanford University and the University of California at San Francisco School of Medicine, she completed her internship at Cabrini Medical Center- Mount Sinai School of Medicine in New York, followed by residency in ophthalmology at the University of California at San Francisco. She completed both a clinical and research fellowship in pediatric ophthalmology and strabismus at the Duke Eye Center.

María Ana Martínez Castellanos

Cirujano de Retina y Vítreo México

Dr. Maria Ana Martinez-Castellanos is an Assistant Professor of Pediatric Retina, of the Retina Service at the Association to Prevent Blindness in Mexico APEC, Hospital “Luis Sanchez Bulnes” from the National Autonomous University of Mexico UNAM. She serves as pediatric retina specialist at General Hospital “Belisario Dominguez” in Mexico City and Perinatal Hospital “Monica Pretelini” in Toluca, Mexico. Dr. Martinez-Castellanos is a mexican board certified ophthalmologist whose clinical practice involves the surgical and medical management of adult and pediatric vitreo-retinal disease.

Dr. Martinez-Castellanos received her MD from the Autonomous University of the State of Mexico UAEM in Toluca, Mexico. After completing her Ophthalmology residency at Central Military Hospital from the University of the Mexican Army and Air Force UDEFA, she went on to a Fellowship in Vitreoretinal Surgery at Association to Prevent Blindness in Mexico APEC, Hospital “Luis Sanchez Bulnes” and UNAM. Dr. Martinez-Castellanos then joined the Retina Service as Assistant Professor of Pediatric Retina.

Clio Armitage Harper III, MD

Austin Retina Associates Austin, TX

Dr. Harper was born in Nashville, Tennessee, and later attended St. Stephen’s Episcopal High School in Austin. After graduating with honors from Vanderbilt University with a degree in molecular biology, he earned his medical degree from the University of Oklahoma in 1988. Upon completing his residency at Charity Hospital, Louisiana State University in New Orleans, he held a two-year fellowship at the prestigious Casey Eye Institute, University of Oregon in Portland, where he received specialty training in medical and surgical retina, as well as retinopathy of prematurity. He joined Austin Retina in 1995.

With expertise that includes macular hole and retinal detachment surgery, retinopathy of prematurity and macular degeneration, Dr. Harper is a nationally recognized speaker on the management of retinopathy of prematurity and on the role of nutrition in macular degeneration. He is actively involved in research in both pharmacological and nutritional therapies for the treatment and prevention of macular degeneration. He has also served as an investigator for numerous clinical trials.

Dr. Harper is a consultant at the University of Texas Health Science Center in San Antonio and at the city’s University Hospital, where he teaches residents and provides vitreoretinal care for infants with retinopathy of prematurity. Passionate about bringing quality ophthalmic care to developing countries, Dr. Harper travels worldwide teaching and performing surgery with local physicians. Recent travels have included trips to Haiti with Vanderbilt University Eye Project, and to Lanzhou, China, with Project Orbis, the world’s only flying eye hospital. His travels and contributions have received local and national recognition. In 2016, he founded smallworldvision.org, an organization created to eliminate preventable blindness in premature babies born in countries outside of the United States. His passion is retinopathy of prematurity and loves to take care of babies knowing that he can preserve their vision for 80 years.

Dr. Harper is a member of the American Academy of Ophthalmology, Association of Research in Vision and Ophthalmology, Texas Medical Association and the Travis County Medical Society. He also served as Chief of Ophthalmology at Brackenridge Hospital from 2005-2008 and is the current chief of Ophthalmology at Ascension Medical Centers in Austin. Each year Texas Monthly magazine has included him in “Best Doctors in Texas.” Outside of the office, Dr. Harper enjoys gardening, biking, and spending time with his wife, Ruthie, and their four dogs, Nana, Ramzes, Rico, and Blakey.

Darius M. Moshfeghi, MD

Stanford Byers Eye Institute Palo Alto, CA

Dr. Darius M. Moshfeghi is Chief of the Retina Division and Professor at the Horngren Family Vitreoretinal Center, Byers Eye Institute, Department of Ophthalmology, at the Stanford University School of Medicine. Dr. Moshfeghi received training in biomedical engineering as an undergraduate at Tulane University in New Orleans, followed by medical school, internship, and ophthalmology residency also at Tulane. Subsequently he performed fellowships in ocular oncology and orbital disease, followed by a 2-year vitreoretinal surgery fellowship at the Cole Eye Institute of the Cleveland Clinic Foundation. He was introduced to the concept of wide-angle imaging and its potential for telemedicine in pediatric retinal disease while treating patients with retinoblastoma at St. Jude Children’s Research Hospital in Memphis, Tennessee. He is an internationally-recognized expert in pediatric vitreoretinal disease and pediatric retinal telemedicine. He has dedicated his career to using telemedicine and digital technology to prevent blindness in children.

He founded the Stanford University Network for Diagnosis of Retinopathy of Prematurity (SUNDROP) program in 2005, and today it remains the oldest and largest telemedicine screening program for ROP in the United States. He has developed a national telemedicine screening program for Pediatrix with Stanford University for ROP called TELEROP. He has worked with industry both in a consultative and creative-founder role to develop wide-angle imaging camera technology as well as deep learning classifier platforms for the identification of disease in healthy term newborn infants.

He is actively involved in entrepreneurial activities, serving as a founder and a director of Pr3vent, Placid0, dSentz, and Promisight. He is actively engaged in promoting telemedicine to expand access of eye care and vision for all. He currently serves on the American Academy of Ophthalmology (AAO) Telemedicine Working Group and previously sat on the AAO’s ROP Telemedicine Task Force Panel. Additionally he is a founding member of the Collaborative Community on Ophthalmic Imaging a collaboration between stake holders and the FDA which was established by Mark Blumenkranz here at Stanford University.

He has collaborated extensively with the pharmaceutical industry in oversight (Alcon and Novartis Data Safety Monitoring Committees for Brolucizumab, Novartis Safety Review Committee Brolucizumab), steering committees (Regeneron Butterfleye, Bayer Photographic Committee for Firefleye, Iconic Therapeutics, Pykus), and drug development (Alexion).

Finally, Dr. Moshfeghi is interested in medical training and mentoring of individuals pursuing careers in medicine and biomedical spaces. He was the founding director of the Stanford Vitreoretinal Surgery and Medical Disease Fellowship and remains actively engaged in the day-to-day training of the fellows and works extensively with medical students (and has served as a MedScholars mentor for many students) and visiting fellows.

Polly A. Quiram, MD, PhD

Retina Consultants of Minnesota Edina, Minnesota

A Minnesota native, Dr. Quiram received both a Ph.D. in Molecular Neuroscience and her MD degree from the Mayo Clinic in Rochester, MN. She completed her residency in Ophthalmology at the University of California-Los Angeles and her Vitreoretinal Fellowship at Associated Retinal Consultants at William Beaumont Hospital in Royal Oak, MI. Dr. Quiram joined RCM ( VitreoRetinal Surgery) in 2007 and has subspecialty interest in Pediatric Retinal Diseases. She is a member of the American Academy of Ophthalmology, ASRS and ARVO.

Adrienne Williams Scott, MD

Wilmer Eye Institute Bel Air, MD

Adrienne W. Scott, M.D, is a retina specialist and associate professor of ophthalmology at the Wilmer Eye Institute’s locations in Baltimore and Bel Air, Maryland. Dr. Scott treats patients across the spectrum of vitreoretinal medical and surgical diseases, including macular degeneration, diabetic retinopathy, retinal detachments and more.

Dr. Scott received her doctor of medicine degree from Drexel University College of Medicine in Philadelphia, Pennsylvania and completed her ophthalmology residency at the Duke University Eye Center.

During her residency, Dr. Scott received the Ocular Innovation Award, the K. Alexander Dastgheib Eye Surgery Award and the Edward K. Isbey, Jr. M.D. Award for clinical excellence. She remained at the Duke Eye Center to complete her two-year fellowship training in vitreoretinal surgery prior to joining the Wilmer faculty.