Guest Editor and Co-Guest Editors: Dr. Roy S. Chuck, Dr. Joann J. Kang, and Dr. Viral V. Juthani (Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York, NY, USA)

Guest Editor: Andrew G. Lee (Department of Ophthalmology, Houston Methodist Hospital, Houston, TX, USA)

Guest Editors: Mathys Labuschagne (University of the Free State, South Africa), Helena Prior Filipe (Hospital Egas Moniz, Portugal) and Karl Golnik (Creighton University and the University of Arizona, USA)