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Our Doctors - Clinical Faculty

  • Johanna M. Seddon

    Johanna M. Seddon, MD, ScM, FARVO, FASRS

    Professor and Interim Chair, Director of Retina & Macular Degeneration Center of Excellence, Residency Program Director

    Dr. Seddon pioneered the field of epidemiology in ophthalmology and initiated studies of genetics in macular degeneration. She previously founded and directed Ophthalmic Epidemiology and Genetics Services at Harvard and Tufts in Boston. Read more ›

  • Benjamin Botsford

    Benjamin Botsford, MD

    Assistant Professor, Associate Residency Program Director

    Born and raised in Rhode Island, Benjamin Botsford, MD joined the Department of Ophthalmology & Visual Sciences in the summer 2022. He is delighted to serve the ophthalmology needs of a diverse patient population and collaborate with his UMass Memorial Eye Center colleagues.  Read more ›

  • Gabriel Luna

    Gabriel Luna, MD

    Assistant Professor & Director of Anterior Segment/Glaucoma

    Dr. Luna received his undergraduate/graduate degree from Universidad Popular Autonoma del Estado de Puebla and went onto Bascom Palmer Eye Institute to receive a Post Doctoral Research Fellowship before he completed his Ophthalmology residency at Boston University Medical Center. Dr. Luna is a member of the American Academy of Ophthalmology. Read more ›

  • Priya M. Janardhana

    Priya M. Janardhana, MD

    Assistant Professor & Director of Uveitis Service

    Dr. Janardhana was part of the early medical acceptance program, ENGMEDIC, at Boston University. She graduated summa cum laude, 3rd rank, from the College of Engineering, majoring in Biomedical Engineering and completed medical school and residency at Boston University/Boston Medical Center. Read more ›

  • Elvisa Loshe

    Elvisa Loshe, MD

    Assistant Professor

    Dr. Loshe completed her undergraduate degree in Life Sciences and Italian Literature (BSc) at the University of Toronto where she graduated with Distinction. After a career outside of medicine, in Marketing and Banking, Dr. Loshe decided to pursue her long-standing passion in medicine. Read more ›

  • Marez Megalla

    Marez Megalla, MD

    Assistant Professor

    Marez Megalla, MD recently joined the Department of Ophthalmology and Visual Sciences in summer 2023. She is excited to serve such a diverse population of patients in the Worcester and Northborough clinics, work alongside top-class colleagues, and teach and mentor the residents and medical students. Read more ›

  • Juan Ding

    Juan Ding, OD, PhD

    Assistant Professor

    Dr. Ding graduated Summa Cum Laude from The New England College of Optometry in 2017. She achieved the highest score in National Optometry Board Exam among over one thousand candidates in 2016. Prior to a clinical career, Ding received her PhD in Molecular and Cellular Biology from Ohio University. Read more ›

  • Ana Bonaldi

    Ana Bonaldi, OD


    Dr. Ana Bonaldi graduated cum laude from Montclair State University with a BA in Biology and obtained her OD graduating as salutatorian and Summa Cum Laude from Massachusetts College of Pharmacy and Health Sciences. She completed internships at the prestigious Boston Sight, various health centers in New England, and at the Worcester Department of Veterans Affairs. Read more ›

  • Firas Kassira

    Firas Kassira, OD


    Firas Kassira, OD, graduated from George Mason University with a BS in biology and obtained his OD degree from the New England College of Optometry. He completed externships at the 34th General Army Hospital in Augsburg, Germany, and various health centers in Virginia and Massachusetts. Read more ›

  • Toral Patel

    Toral Patel, OD


    Dr. Toral Patel, OD, recently joined the Department of Ophthalmology & Visual Sciences in December of 2022.  Dr. Patel was born and raised in Toronto, Canada. Her love for medicine and eye care started as a young child, as both her parents were in the Optical industry. Dr. Patel says “eye care was just part of my life growing up, so it was easy to follow in their footsteps.”  Read more ›

  • Lauren Branchini

    Lauren Branchini, MD

    Assistant Professor

    Per Diem - Dr. Branchini is a comprehensive ophthalmologist with expertise in ophthalmic imaging and clinical interest in the medical treatment of retinal diseases. Whilst completing her medical education at Boston University School of Medicine, she completed a clinical research fellowship in Optical Coherence Tomography at the Tufts/New England Eye Center and the Research Laboratory for Electronics at the Massachusetts Institute of Technology. Read more ›

  • Dan Yoon

    Dan Yoon, MD

    Assistant Professor

    Per Diem - Dr. Dan Yoon graduated Phi Beta Kappa from Swarthmore College with a BA in Biology and obtained his MD from New York University School of Medicine. Dr. Yoon completed his medicine internship at Lenox Hill Hospital in New York City where he was elected as the prelim intern of the year and ophthalmology residency at University of Illinois at Chicago and Illinois Eye and Ear Infirmary. Read more ›