Zachary Davis, MD — Cataract Surgeon & Glaucoma Specialist in Smithtown & Riverhead, NY (Long Island)

Dr. Zachary Davis is a highly skilled, board-certified ophthalmologist and cataract surgeon in Long Island who is dedicated to providing the best possible care to his patients. Growing up on Long Island, he was always fascinated by the field of ophthalmology, and he began working with his father, who is also an eye surgeon, at a young age. This early exposure to the field sparked Dr. Davis’s passion for ophthalmology, and he knew from a young age that he wanted to become an eye surgeon and serve the people of Long Island.

After completing his medical training, Dr. Davis spent the last 10 years traveling the country, studying and training in some of the most underserved communities and dealing with some of the most advanced eye diseases. Through these experiences, he gained a deep appreciation for the importance of patient-centered care, using the most cutting-edge research and science. Dr. Davis strongly believes in treating the whole patient, not just the disease.

Dr. Davis’s passion for surgery is truly remarkable, and he considers it his hobby as well as his profession. He is committed to achieving technical excellence in surgery and continuously growing and improving with every case. Dr. Davis has a particular interest in cataract and glaucoma surgeries, glaucoma management, and dry eye disease. He is dedicated to staying up-to-date with the latest advancements in ophthalmology.

As part of the SightMD team, Dr. Davis provides comprehensive eye care across multiple Long Island locations — including Smithtown and Riverhead, NY — making high-quality ophthalmology services accessible to patients throughout Nassau and Suffolk County.