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Dr. James C. Liu is a glaucoma specialist who helps adults protect and preserve vision with thoughtful, step-wise care. He sees patients for the full spectrum of glaucoma, from early disease found on screening to advanced cases that may require surgery. Dr. Liu offers medical therapy, laser options, and surgical solutions, and he takes time to explain each choice so patients can decide what fits their goals and lifestyle. He also performs cataract surgery, including cases in eyes with glaucoma, and provides comprehensive eye care. His clinical interests include minimally invasive glaucoma surgery and complex glaucoma procedures. In his research and quality-improvement work, Dr. Liu studies better ways to screen for glaucoma and optimize surgical practice patterns. He completed glaucoma fellowship training after ophthalmology residency and an additional fellowship in ophthalmic trauma, and he brings that broad surgical experience to the exam room and operating room. Patients appreciate his calm communication style and focus on long-term, durable results.

Dr. Abhinav Golla, MD, MPH is a fellowship-trained glaucoma specialist who cares for patients with glaucoma and cataracts at every stage. He offers the full spectrum of surgical options, including trabeculectomy, tube shunts, Xen gel stent, GATT, endoscopic cyclophotocoagulation (ECP), and the latest minimally invasive glaucoma surgery (MIGS) techniques. He also performs modern cataract surgery and can incorporate advanced technology lenses to address presbyopia and astigmatism when appropriate. Dr. Golla is passionate about improving glaucoma care through safer procedures, refined medical management, and earlier detection using advanced imaging and software. In visits, he focuses on listening to each person’s day-to-day experience—fears, goals, and symptoms—to tailor a plan that fits their life and comfort level. Patients appreciate his clear explanations, collaborative decision-making, and steady follow-up aimed at protecting sight over the long term.

Dr. Giovanni Campagna is a glaucoma specialist who cares for adults with the full spectrum of glaucoma, from early disease to complex and advanced cases. He completed fellowship training in glaucoma at Washington University in St. Louis after ophthalmology residency at the Stein Eye Institute, University of California, Los Angeles. Before residency, he earned his medical degree at Baylor College of Medicine and studied at The University of Texas at Austin. Dr. Campagna takes a measured, evidence-based approach that starts with careful examination and clear education. He partners with each patient to craft a plan that may include medications, laser procedures, or surgery when needed. He is committed to preserving sight while minimizing treatment burden, and he works closely with referring doctors to ensure continuity of care. Patients appreciate his clear communication, thoughtful explanations, and focus on practical steps they can take to protect their vision over the long term.

Dr. Robert Null is a board-certified ophthalmologist with fellowship training in glaucoma. He helps patients protect and preserve vision through comprehensive glaucoma evaluation and long-term management, and he also performs cataract surgery. His approach emphasizes early detection, individualized treatment planning, and clear guidance on next steps. After earning dual undergraduate degrees at the University of Iowa, Dr. Null completed medical school at the University of Iowa Carver College of Medicine. He pursued residency training including a transitional residency at Unity Point Health and ophthalmology residency at the University of Kansas Medical Center, where he served as Chief Resident. Dr. Null completed a glaucoma fellowship at the University of Pittsburgh Medical Center with a focus on complex anterior segment surgery. He stays engaged in ophthalmic education and regularly shares research at professional meetings, bringing current, evidence-based care to the patients he serves.

Jella Angela An, MD, MBA, is a board-certified ophthalmologist and fellowship-trained glaucoma specialist who offers thoughtful, personalized care for patients with glaucoma and cataracts. She emphasizes clear communication, practical home routines, and careful follow-up to protect vision over time. Her surgical interests include minimally invasive glaucoma surgery (MIGS) and complex cataract surgery, and she guides patients through when to consider lasers, implants, or combined procedures to simplify drop regimens and speed recovery. Dr. An received both her BSc and MD degrees from McGill University before completing a clinical fellowship in glaucoma and advanced anterior segment surgery at the University of Toronto. Prior to joining MUSC, she served as Medical Director and Vice Chair for the Wilmer Eye Care Network and was an Associate Professor of Clinical Ophthalmology at Johns Hopkins Medicine. She remains active in research focused on novel surgical and laser interventions and extended-release drug delivery to make glaucoma care safer, earlier, and more effective.

Dr. Benjamin Katz is a glaucoma specialist committed to helping patients preserve and improve their vision with thoughtful, individualized care. As a glaucoma fellow, he evaluates the full spectrum of disease—from early, subtle changes in eye pressure to complex and advanced cases—and explains options in plain, practical terms so patients can choose confidently. He also performs cataract evaluations and coordinates care for people with coexisting eye and medical conditions. Dr. Katz completed ophthalmology residency at Henry Ford Hospital in Detroit and attended medical school at WashU Medicine. His fellowship training in glaucoma focuses on modern laser therapies and surgical techniques that can reduce pressure safely and effectively. Patients appreciate his calm manner, evidence-based approach, and careful follow-up designed to protect vision for the long term.

Dr. Sharon Sabapathypillai is a glaucoma specialist and clinician–investigator who provides medical, laser, and surgical care for patients with open-angle, angle-closure, and secondary glaucomas. She takes a collaborative, education-forward approach so patients understand their disease course, target pressures, and why therapies are chosen. Her goal is to protect vision while minimizing treatment burden and preserving quality of life. Dr. Sabapathypillai completed a combined BA/MD program at the University of Missouri–Kansas City, earned an MS in Clinical Investigation at Washington University in St. Louis, and served an internal medicine internship at WashU. She is the Glaucoma Fellow at Washington University (2025–2027), where she participates in resident education and glaucoma research. Patients value her warm communication style and her attention to detail in setting individualized care plans.

Dr. Erin G. Sieck is a glaucoma specialist who cares for adults with both common and complex eye disease. She welcomes referrals for uveitic and advanced glaucoma as well as challenging cataracts and anterior segment problems. Dr. Sieck takes time to explain each diagnosis in plain language, outlines both medical and surgical options, and partners with patients to choose a plan that fits their goals and lifestyle. As an assistant professor of ophthalmology at Washington University in St. Louis, she brings the latest evidence and surgical techniques into everyday care. Her clinical interests include cataract surgery, complex anterior segment surgery, and the full spectrum of glaucoma procedures. She also has a research interest in uveitic glaucoma and surgical outcomes, and she works closely with a multidisciplinary team to coordinate care when systemic conditions are involved. Patients describe her approach as thorough, empathetic, and highly organized—focused on preserving vision and quality of life.

Corey Waldman, M.D. is a board-certified, fellowship-trained ophthalmologist at Sabates Eye Centers, serving patients in Kansas City. He specializes in cataract surgery, glaucoma treatment, and complex anterior segment cases. Dr. Waldman is a Kansas City native returning home after practicing in San Antonio for the past seven years. He attended the combined six-year BA/MD program at University of Missouri – Kansas City School of Medicine and completed his ophthalmology residency at Sinai Hospital in Baltimore, Maryland. He also completed a glaucoma fellowship at Boston University. In 2017 he joined the ophthalmology faculty at UT Health San Antonio where he was an associate professor, the director of the glaucoma service, the assistant residency program director, and the director of medical student education. He has performed over 5,000 surgeries including cataract surgery, minimally invasive glaucoma surgery (MIGS), traditional glaucoma surgery, and complex anterior segment cases, and has extensive experience with premium intraocular lenses. He has presented his research on glaucoma and cataract surgery at numerous national conferences. Dr. Waldman is a member of the American Glaucoma Society. He speaks fluent English and Spanish and is committed to providing the highest level of eye care to his patients. Outside of ophthalmology, he is a guitarist with a focus in the jazz and blues genres and enjoys hi-fi and vinyl records. He lives in Leawood with his wife and son.