Robert P. Liss, M.D.Cataract, Glaucoma

liss-white coatRobert P. Liss, M.D. is a board-certified ophthalmologist specializing in the medical and surgical management of cataract and glaucoma. Graduating with a dual fellowship, he received advanced training in the medical and surgical management of cataracts, glaucoma, and corneal disease. Dr. Liss has performed well over ten thousand cataract surgeries—utilizing advanced minimally invasive techniques.

A leader in the advancement of cataract and glaucoma procedures, Dr. Liss most recently was the first in Chester County to perform a FDA-approved iStent® Trabecular Micro-Bypass—the world’s tiniest medical device developed to treat glaucoma. He was also the first in the area to implant a synthetic iris.

Dr. Liss actively contributes to the future of ophthalmology by instructing ophthalmologist residents at the University of Pennsylvania. In addition, as Senior Instructor at the American Academy of Ophthalmology, he educates fellow ophthalmologists from around the world on the latest advancements in cataract surgery.


  • Graduated Magna Cum Laude with Bachelor of Arts from State University of New York
  • Doctor of Medicine degree from State University of New York
  • Ophthalmology residency from State University of New York, serving as Chief Resident senior year
  • Fellowship in glaucoma, cornea, and external disease at the University of Utah


  • Attending Surgeon at the Chester County Hospital
  • Clinical Assistant Professor of Ophthalmology at the University of Pennsylvania Medical School
  • Course Director of American Academy of Ophthalmology’s course, Advanced Refractive Cataract Surgery and Anterior Segment Reconstruction
  • Course Director of American Academy of Ophthalmology’s lab course, Combined Cataract and Glaucoma Surgery Lab
  • Teaches ophthalmology residents at Scheie Eye Institute


  • “Top Doctor” in Philadelphia Magazine magazine
  • “Top Doctor” in Main Line Today magazine
  • “Top Physician” in Suburban Life Magazine
  • Achievement Award from the American Academy of Ophthalmology for his contributions to the advancement of eye surgery
  • Two-time recipient of Silver Apple Award for most instrumental part-time instructor at Scheie Eye Institute, University of Pennsylvania Medical School
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