Find a Specialist

Dr. Jose R. Davila is a vitreoretinal surgeon who manages both medical and surgical diseases of the retina, including retinal detachment, macular holes, epiretinal membranes, macular degeneration, diabetic retinopathy, and retinal vascular occlusions. His research interests span global ophthalmology, tele-retinal imaging, and surgical education.

Dr. Grayson Armstrong is a Harvard-trained ophthalmologist and public health leader focused on expanding access to eye care through innovation and policy. He earned his MD and MPH from Harvard, advising global organizations on refugee health and health systems. He completed residency at Harvard Ophthalmology, where he served as Chief Resident and led the Ocular Trauma Service at Mass Eye and Ear. A leader in organized medicine, he sits on the Board of Trustees of the American Medical Association. Dr. Armstrong is the founder of Ocular Technologies and a nationally recognized expert in telemedicine, AI, and digital health. He has published extensively and speaks nationally on emerging models of eye care.

Dr. Ilya Leskov is a board-certified, fellowship-trained specialist in vitreoretinal diseases and surgery at SUNY Downstate Health Sciences University. He diagnoses and treats conditions affecting the retina, macula, and vitreous, combining careful in-office evaluation with advanced medical and surgical retina care when needed. Patients see him for problems such as diabetic retinopathy, age-related macular degeneration, retinal vascular occlusions, uveitis, macular holes, and retinal tears or detachments. Dr. Leskov also has a special interest in managing complications from cataract surgery, including displaced intraocular lenses. He completed a combined MD-PhD program at Harvard Medical School and the Massachusetts Institute of Technology, followed by ophthalmology residency training at Massachusetts Eye and Ear and fellowship training in vitreoretinal surgery at Northwestern University. He is fluent in Russian and French and sees patients in SUNY Downstate faculty practices in Brooklyn.

Dr. Rebecca Soares is a vitreoretinal surgeon dedicated to the medical and surgical care of retinal diseases, with a focus on compassionate, state-of-the-art treatment. She graduated summa cum laude from Yale University and earned her MD and MPH magna cum laude from Emory University School of Medicine. Her postgraduate training includes an internal medicine internship at Brigham and Women’s Hospital, ophthalmology residency at Wills Eye Hospital, and a vitreoretinal surgical fellowship at Wills Eye Hospital Mid Atlantic Retina. Dr. Soares specializes in managing conditions such as age-related macular degeneration, diabetic retinopathy, macular holes, macular puckers, and retinal detachments. She utilizes advanced therapies including anti-VEGF injections, laser procedures, and small-incision vitrectomy, aiming to combine technical excellence with clear patient communication and supportive follow-up. Beyond clinical practice, she is an active researcher with numerous peer-reviewed publications and has received national honors like the Retina Society’s Fellowship Research Award. Dr. Soares has led public health initiatives such as the Pediatric Vision Screening program and the Farmworker Vision Project, demonstrating her commitment to improving eye health in underserved communities.

Dr. James Anthony Stefater is a retina specialist who diagnoses and treats diseases of the retina and vitreous, with particular interest in complex surgical cases. He also cares for patients with common sight-threatening conditions such as macular degeneration and diabetic eye disease, focusing on practical plans that preserve vision and support long-term eye health. Dr. Stefater completed ophthalmology residency and vitreoretinal fellowship training at Massachusetts Eye and Ear at Harvard Medical School. He earned his MD and PhD through the Medical Scientist Training Program at the University of Cincinnati, where his doctoral research focused on retinal blood vessel development. He is active in national ophthalmology societies, has authored numerous publications, and has presented widely. He also helps advance new approaches to retina surgery aimed at reducing the post-operative burden for patients.

Born and raised in Rhode Island, Dr. Benjamin Botsford joined the Department of Ophthalmology and Visual Sciences at UMass Chan Medical School in the summer of 2022. He is delighted to serve the ophthalmology needs of a diverse patient population and collaborate with his colleagues at the UMass Memorial Eye Center. Dr. Botsford graduated Phi Beta Kappa from New York University with a degree in neuroscience and received his medical degree from Tufts University School of Medicine in Boston. He completed his ophthalmology residency at the University of Pittsburgh Medical Center and a vitreoretinal fellowship at NY Presbyterian-Weill Cornell Medical Center. He has published over 20 peer-reviewed articles and book chapters and has presented at numerous regional and national conferences. He has volunteered at a diabetes outreach clinic for Veterans Inc. in Worcester, performing ophthalmology screenings for veterans and their families. He also presented on "Diabetes and Your Eyes" for the UMass Memorial Eye Center's patient webinar series. With a special interest in retinal disease and macular degeneration, Dr. Botsford looks forward to providing medical and surgical care to the community and teaching ophthalmology residents at the Hahnemann and Northborough offices.

Dr. Bryan Hong is an ophthalmologist specializing in vitreoretinal diseases and surgery. He treats conditions that affect the retina and macula, including age-related macular degeneration, diabetic retinopathy, retinal vascular disease, and vitreomacular interface abnormalities. Patients also see him for retinal detachments, uveitis, trauma-related retinal problems, and complications that can arise after cataract surgery. His care may include surgical and laser-based treatments, tailored to each patient’s diagnosis and vision goals. Dr. Hong attended Yale College and earned his medical degree at Yale School of Medicine. He completed ophthalmology residency training at the University of Southern California Eye Institute and the Doheny Eye Institute, followed by fellowship training in vitreoretinal diseases and surgery at Wills Eye Hospital. He also has an interest in research, including retinal imaging and novel surgical techniques.

Dr. Xuejing Chen is a board-certified ophthalmologist who specializes in the medical and surgical management of vitreoretinal disease. She cares for patients with retinal vascular conditions, diabetic retinopathy, epiretinal membranes, macular holes, retinal detachments, macular degeneration, ocular trauma, posterior uveitis, and inherited retinal dystrophies. Her approach emphasizes careful diagnosis, thoughtful use of modern ocular imaging, and treatment plans tailored to each patient’s goals and vision needs. After earning her medical degree from Yale School of Medicine, Dr. Chen completed an ophthalmology residency at the Stein Eye Institute at the University of California Los Angeles and a vitreoretinal fellowship at Tufts Medical Center and the Ophthalmic Consultants of Boston. She also has interests in medical technology and innovations, surgical outcomes, and global health, and aims to provide compassionate care using the most advanced treatments available.

Dr. Kendra Klein-Mascia is a board-certified ophthalmologist who cares for adults with medical and surgical diseases of the retina and vitreous. She sees patients at Lahey Hospital & Medical Center in Burlington, where she provides comprehensive evaluations and tailors treatment plans to each person’s vision goals. Dr. Klein-Mascia completed medical school at the University of Rochester, followed by an internship at Memorial Sloan Kettering Cancer Center, ophthalmology residency at Tufts Medical Center, and a fellowship at Tufts Medical Center.Her clinical practice includes advanced imaging, office-based therapies such as retinal laser and anti-VEGF injections, and coordination with the broader Lahey eye care team when surgery is needed. In addition to patient care, Dr. Klein-Mascia serves as an Assistant Professor of Surgery at UMass Chan-Lahey and an Adjunct Assistant Professor of Ophthalmology at Tufts University School of Medicine, reflecting her commitment to teaching and evidence-based care. Patients describe her approach as thorough, collaborative, and easy to understand—so they feel informed and confident at every step.

Dr. Hari Mylvaganam is an ophthalmologist with fellowship training in vitreoretinal surgery. He cares for patients with retina and vitreous conditions and provides both in-office diagnostics and surgical care, with a focus on preserving and restoring vision. Dr. Mylvaganam graduated magna cum laude from the Boston University Honors Program with a degree in Biochemistry, Molecular Biology and earned his medical degree at Boston University School of Medicine. He completed residency training at Georgetown University, where he received the String of Pearls award recognizing excellence in teaching and humanism in patient care, and then completed a combined fellowship in vitreoretinal surgery at Cook County/Retina Associates in Chicago. During his training he pursued immunology research related to HIV and the anterior chamber of the eye, co-authored peer-reviewed articles, and presented at national and local conferences. He looks forward to caring for families and patients in his community.

Dr. Lauren Bierman is a board-certified ophthalmologist with advanced training in medical retina. She partners with adults living with chronic retinal conditions to protect sight over the long term, using evidence-based treatments and clear, compassionate communication at every visit. Patients value her knack for translating complex imaging and treatment choices into straightforward plans that fit real life. Dr. Bierman earned her medical degree at Georgetown University School of Medicine and completed ophthalmology residency followed by a dedicated medical retina fellowship at the New England Eye Center at Tufts Medical Center. She enjoys collaborating closely with referring optometrists and primary care teams to coordinate care for diabetes, macular degeneration, and vascular eye disease. Her practice includes state-of-the-art retinal imaging and in-office therapies designed to maximize vision and minimize downtime. Outside clinic, she is committed to patient education and prevention, emphasizing regular dilated exams and prompt attention to new floaters, flashes, or vision changes.

Dr. Tavish Nanda is a vitreoretinal surgeon whose practice spans the full range of medical and surgical retina care. He earned his medical degree at Columbia University College of Physicians & Surgeons and completed ophthalmology residency at Columbia University Medical Center/NewYork-Presbyterian, where he served as chief resident. He then completed a two-year fellowship in vitreoretinal surgery and medical retina at the New England Eye Center/Ophthalmic Consultants of Boston with affiliations at Massachusetts Eye and Ear and Tufts Medical Center. Dr. Nanda treats complex retinal disease—from tractional and rhegmatogenous retinal detachments to macular disorders—and performs cutting-edge procedures informed by participation in numerous clinical trials. He is board certified in ophthalmology, has presented nationally and internationally, and is active in teaching. Patients value his calm manner, clear explanations, and thoughtful follow-up, whether they need urgent surgery or long-term management of chronic retinal conditions.

Dr. George B. Peters III is a board-certified ophthalmologist and retina specialist with a focus on medical retina and inflammatory eye disease. He treats conditions including uveitis, diabetic retinopathy, and age-related macular degeneration, and he emphasizes individualized care plans tailored to each patient’s diagnosis, needs, and goals. Raised in Eastern Maine, Dr. Peters studied biomedical engineering at Boston University and earned a master’s degree at the University of Maine before attending the University of Vermont College of Medicine. He completed internship training at Maine Medical Center and ophthalmology residency at Albany Medical College Lions Eye Institute. He pursued advanced fellowships in ocular immunology and uveitis at the Johns Hopkins University Wilmer Eye Institute and in vitreoretinal surgery at the University of Edinburgh Alexandra Eye Pavilion. His academic and research interests have included intravitreal drug administration and emerging therapies for uveitis, diabetic retinopathy, and macular degeneration. In clinic, he focuses on helping patients understand their options and move forward with confidence.

Dr. Brian Ballios is a clinician-scientist whose practice and laboratory focus on inherited retinal disease, ocular genetics, and emerging regenerative therapies. He holds appointments at the University Health Network’s Krembil Research Institute and the Donald K. Johnson Eye Institute, where he leads work in translational models of retinal degeneration and first-in-human applications of gene and cell-based therapies. In clinic, he evaluates patients with inherited and acquired retinal disorders, provides state-of-the-art imaging and counseling, and connects eligible patients with clinical trials. Dr. Ballios completed an MD/PhD at the University of Toronto, followed by FRCSC residency in ophthalmology at the same institution. He pursued subspecialty fellowship training in Inherited Retinal Disease at Massachusetts Eye and Ear/Harvard. With a background in Engineering Chemistry from Queen’s University, he pioneered hydrogel-based delivery systems for retinal cell transplantation and continues to advance therapies aimed at preserving and restoring sight.