William Kasper, MD — Ophthalmologist & Dry Eye Specialist in Long Island (Garden City, NY)

Dr. William Kasper is a board-certified ophthalmologist providing comprehensive ophthalmology services to patients across Long Island at SightMD’s Garden City location. He specializes in the diagnosis and treatment of a wide range of ocular conditions, with a clinical focus on dry eye disease, general ophthalmology, and medical eye care management.

Dr. Kasper evaluates and treats patients for conditions including dry eye syndrome, eye infections, conjunctivitis, cataracts, and other common and complex ocular diseases. His approach emphasizes early detection, accurate diagnosis, and long-term management of chronic eye conditions, helping patients maintain healthy vision at every stage of life.

He has extensive experience managing both routine and medically complex ophthalmic cases and is deeply involved in the clinical and academic ophthalmology community. Dr. Kasper has contributed to the training of ophthalmology residents and has held leadership roles within regional ophthalmologic organizations.

A respected figure in the Long Island ophthalmology community, Dr. Kasper brings decades of experience in patient care, education, and clinical excellence. He is known for his thorough, thoughtful approach and commitment to delivering high-quality eye care to patients throughout Nassau County and Long Island.

Outside of his clinical practice, some of Dr. Kasper’s favorite pastimes include babysitting his granddaughters, marine biology, and fishing. He is still in touch with many of his Brooklyn College fraternity brothers.