The John S. Kennerdell Neuro-Ophthalmology Collection: An ophthalmologic surgeon and orbital expert, Dr. Kennerdell has collected 66 lectures covering a wide variety of orbit disorders. John S. Kennerdell, MD, Retired, formerly Chair, Department of Ophthalmology, Allegheny General Hospital, Professor, Ophthalmology, Drexel University College of Medicine NOVEL: novel.utah.edu