President Trump is scheduled to be in Philadelphia on Tuesday, September 15, 2020 at The National Constitution Center (NCC) in the Independence Mall area. Increased police presence is anticipated in Center City throughout Tuesday afternoon and evening. Please allow extra time if you are going to Wills Eye. Please be advised of area street closures to vehicles beginning at 1:00PM on Tuesday 9/15. Pedestrian access will also be limited in the area. This is subject to change and area restrictions, which could widen, will be lifted once the President departs the NCC. There are also demonstrations planned for Tuesday 9/15 around Independence Mall as well as City Avenue.

David S. C. Pao, MD

Subspecialty: Cataract, Primary Eye Care


Dr. Pao’s research interest is in medical instrumentation. He  holds six U.S patents for medical instruments used in both ophthalmic and other fields of microsurgery and developed numerous instruments used routinely in the operating room and the diagnostic laboratory. The best known are the bipolar cautery probe for control od small vessel bleeding and the electrophysiology system (ERG/EOG/VEP) that measures electrical signals from the retina and the brain’s occipital cortex.

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Board Certification
American Board of Ophthalmology – 1979


  • Fellowship:  Wills Eye Hospital, Retina – 1974
  • Residency:  Thomas Jefferson University – 1973
  • Medical School:  Columbia University College of Physicians & Surgeons -1969
  • Undergraduate:  Swarthmore College – 1965

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Wills Eye Hospital
840 Walnut Street, Suite 1230
Philadelphia, PA 19107

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Wills Eye Surgical Network - Bucks County
401 N. York Road
Warminster, PA 18974

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