Zachary Davis, MD, is a comprehensive ophthalmologist who cares for patients across Long Island with a special interest in cataract and glaucoma care. He performs modern cataract surgery, manages the full spectrum of glaucoma, treats dry eye disease, and offers pterygium surgery. Patients appreciate his approachable manner and step-by-step explanations that make decisions about surgery and long-term care straightforward. Dr. Davis completed a glaucoma fellowship at Ochsner Health following ophthalmology residency at LSU Health Sciences Center in New Orleans and an internal medicine internship at the University of Miami. He earned his MD from Florida International University’s Herbert Wertheim College of Medicine, an MS from Georgetown University School of Medicine, and a BS from Lafayette College. A Long Island native, Dr. Davis is committed to combining evidence-based medicine with clear communication and genuine community-focused care.