Daniel Diamond, OD, FAAO

The Edward S. Harkness Eye Institute at Columbia University Irving Medical Center offers a comprehensive range of specialties, including ophthalmology, pediatrics, and various medical and surgical services. With a commitment to patient-centered care, the institute integrates the latest advancements in medicine with compassionate support for all patients. In addition to traditional in-person consultations, the institute provides innovative digital health services, allowing patients to connect with expert physicians remotely. This ensures accessible, high-quality medical guidance tailored to the needs of individuals and families across New York City and Westchester. Generated from the website

Megan completed her genetic counseling graduate education at Sarah Lawrence College. She is an ABGC board-certified genetic counselor and part of the Interdepartmental Genetic Counseling Program at Columbia, bridging the Ophthalmology Department and the Precision Genomics Laboratory. She is the genetic counselor for Applied Genetics at Columbia Ophthalmology.

Sonali D. Talsania, MD is an Assistant Professor of Ophthalmology at Columbia University Medical Center and the NewYork-Presbyterian Morgan Stanley Children’s Hospital. She is a board-certified ophthalmologist who completed fellowship training in pediatric ophthalmology and strabismus. She specializes in the ophthalmologic care of children and the surgical treatment of strabismus (eye misalignment) in both children and adults. She conducts general pediatric ophthalmologic exams and provides surgical and medical care for a variety of pediatric ophthalmologic conditions, including blocked tear ducts, amblyopia, childhood cataracts, dermoid cyst removal, and eyelid droop repair. She graduated summa cum laude from Harvard College with a degree in Biology (focus: Neurobiology) and was elected to the Phi Beta Kappa Society. She received her medical degree from Harvard Medical School and completed an internship at Cambridge Health Alliance, a Harvard training hospital. She then did her residency at Boston Medical Center, affiliated with Boston University. During residency, she was recognized for her work teaching medical students and received an award for her research in orbital cellulitis in children. She completed a fellowship in pediatric ophthalmology and strabismus at the Duke Eye Center and practiced for several years in South Florida before joining Columbia.Dr. Talsania is a member of the American Academy of Ophthalmology, as well as the American Association for Pediatric Ophthalmology and Strabismus. She has published in the field of pediatric ophthalmology on the topics of strabismus following glaucoma drainage device implantation and pediatric corneal cross-linking for keratoconus. She was selected as the Jonas Scholar for her work in pediatric ophthalmology at Columbia. She focuses on providing thoughtful care to patients of all ages, and is also dedicated to teaching residents, for which she was honored with the John Wheeler Martin Memorial Teaching Award.