Edward H. Bedrossian Jr., MD, FACS Director, Wills Eye Hospital Annual  Resident Orbital Dissection Course Attending Surgeon, Wills Eye Hospital Sydney Kimmel Medical College of Thomas Jefferson University Philadelphia, PA , USA Wills Eye Hospital, Oculo-Facial Plastics Department Philadelphia, PA , USA Professor of Clinical Ophthalmology Director, Oculofacial Plastic Orbital Reconstructive Surgery Lewis Katz School of Medicine at Temple University Philadelphia, PA , USA Richard R. Schmidt, PhD Professor, Department of Pathology, Anatomy and Cell Biology Sydney Kimmel Medical College of Thomas Jefferson University Philadelphia, PA, USA Robert C. Della Rocca, MD, FACS Icahn School of Medicine New York Eye and Ear Infirmary New York, NY, USA Bradley N. Lemke, MD, FACS Lemke Facial Surgery, Madison, WI Adjunct Clinical Professor Department of Ophthalmology and Visual Sciences School of Medicine and Public Health University of Wisconsin-Madison Madison, WI, USA