Physicians
Benjamin H. Bloom, M.D.
After earning an undergraduate degree from Northeastern University in Boston, Massachusetts, Dr. Bloom worked in the Biotechnology Branch of the NASA Electronics Research Center in Cambridge, Massachusetts, designing medical instruments for the Apollo program. Dr. Bloom then entered Tufts Medical School, where he did research in retinal electrophysiology, strengthening his interest in ophthalmology and in retinal disease in particular. After an Internship at Newton-Wellesley Hospital, he began his Residency in Ophthalmology at the New England Medical Center, completing a PHS Traineeship in Retinal Electrophysiology. Dr. Bloom went on to a clinical fellowship in Vitreo-Retinal Diseases at the Manhattan Eye, Ear and Throat Hospital and a research fellowship at New York Hospital exploring the use of lasers in vitreous surgery.
Dr. Bloom went into private practice in Philadelphia in 1980, and is currently on the staffs of Wills Eye Institute, Einstein Medical Center and Main Line Hospitals, Lankenau Medical Center. He maintains a particular specialty interest in the diagnosis and treatment of diabetic retinopathy, macular degeneration and other retinal diseases. He is a Fellow of the American Society of Retinal Specialists, American Academy of Ophthalmology and Pennsylvania Academy of Ophthalmology.
Roger Tsai, O.D.
Dr. Roger Tsai joined Philadelphia Ophthalmology Associates in 2000. He was born in Taiwan and raised in Brazil. Dr. Tsai received his medical degree from the University of Gama Filho in Rio de Janeiro. He continued his education in the United States, earning his Doctor of Optometry degree from Pennsylvania College of Optometry. A member of the American Optometry Association and Pennsylvania Optometry Society for over 10 years, Dr. Tsai is certified to treat and manage ocular diseases. Along with promoting healthy eyes, he is particularly committed to providing the best care for the most complex vision corrections through precise refraction and the fitting of all varieties of contact lenses, including the difficult-to-fit rigid lenses and the soft specialty lenses.
Dr. Tsai has been married to his wife for 22 years and has four children. His activities in the community include coaching intramural soccer, speaking and educating about the eyes at elementary schools, serving as chair of a local church board and serving as a member of the Board of Directors of a global nonprofit organization. His language skills include fluency in English, Chinese Taiwanese and Portuguese.
