Dr. Shelley Mo

Dr. Ayan Chatterjee is a glaucoma and cataract specialist who helps patients protect and restore vision with individualized, evidence-based care. He treats glaucoma with medical, laser, and surgical options, including minimally invasive glaucoma surgery (MIGS) and other procedures designed to lower eye pressure while supporting a smooth recovery. He also performs cataract surgery, including laser-assisted techniques and lens options that can address astigmatism and reduce dependence on glasses when appropriate. Dr. Chatterjee earned his undergraduate degree from Princeton University and received his medical degree from the Perelman School of Medicine at the University of Pennsylvania. He completed ophthalmology residency training at Wills Eye Hospital and additional fellowship training at Duke University Medical Center. In the clinic, he focuses on clear communication and shared decision-making so patients understand their choices and feel confident in their care plan.

Dr. Tina Xia is a glaucoma specialist at Wills Eye Hospital who provides medical, laser, and surgical care for patients with all stages of glaucoma. She partners closely with each patient to protect vision over the long term, explaining test results and tailoring treatment—whether a new drop, in-office laser, or surgery—to individual risk and lifestyle. In addition to caring for patients in the Philadelphia region, she teaches residents and fellows and contributes to glaucoma research. Dr. Xia graduated from Brown University and earned her medical degree from Yale School of Medicine, where she received honors for ophthalmology research. She completed internship and ophthalmology residency at Washington University in St. Louis, followed by a glaucoma fellowship at Wills Eye Hospital. Her clinical practice spans minimally invasive glaucoma surgery and traditional procedures, guided by the latest evidence and a calm, communicative approach.

Dr. Lindsay Machen is a fellowship-trained ophthalmologist who cares for adults with glaucoma and a full range of general eye conditions. A Pennsylvania native, she enjoys helping patients understand their diagnoses and options, from monitoring early disease to planning surgery when needed. She offers cataract surgery with advanced technology lens options and provides medical and surgical care for conditions such as dry eye and diabetes-related eye disease. Dr. Machen graduated magna cum laude from Bucknell University before earning her medical degree at the Pennsylvania State University College of Medicine, where she was inducted into Alpha Omega Alpha. She completed an internship at Reading Hospital, ophthalmology residency at the Illinois Eye and Ear Infirmary—serving as chief resident—and a glaucoma fellowship at Wills Eye Hospital. In addition to her clinical work, she has led efforts to modernize ophthalmology education and uses clear, practical teaching to guide patients through every step of care.