Leonard B. Nelson, MD, FACS is Co-Director of the Pediatric Ophthalmology Department and  Director of the Strabismus Center at Wills Eye Hospital. He is also an Associate Professor of Ophthalmology and Pediatrics at Sidney Kimmel Medical College in Philadelphia, Pennsylvania.

Dr. Nelson became a Diplomat of the American Board of Ophthalmology in 1981. He is the co-editor of the Journal of Pediatric Ophthalmology and Strabismus and has authored over 275 publications and 15 textbooks in pediatric ophthalmology. He belongs to numerous societies including the American Association of Pediatric Ophthalmology and Strabismus and The American Academy of Ophthalmology. He is also consistently listed as a Top Doctor in Philadelphia Magazine and Best Doctors in the U.S.  Presently he is the principle investigator of a major grant study on Nystagmus Surgery.

He received a B.A. in Biology from Columbia University in New York and his medical degree from Harvard Medical School in Boston. He completed his Surgical Internship at The South Harvard Surgical Service at New England Deaconess Hospital in Boston and his Ophthalmology Residency at New York University, Bellevue Hospital Medical Center in New York City. He went on to complete a one-year Fellowship in Pediatric Ophthalmology at The Children’s Hospital National Medical Center of George Washington University Medical Center in Washington, DC, and a one-year Fellowship in Ocular Genetics at the Wilmer Eye Institute of Johns Hopkins University in Baltimore, Maryland. He obtained his MBA at St. Joseph’s University in Philadelphia, Pennsylvania.