Dr. Levin received his MD from Harvard Medical School and is currently a neuro-ophthalmologist at the University of Wisconsin Medical School. He is an author of Adler's Physiology of the Eye, 11th Edition.

Grant T. Liu, MD is Professor of Neurology and Ophthalmology and Raymond G. Perelman Endowed Chair in Pediatric Neuro-Ophthalmology, Division of Neuro-Ophthalmology, Departments of Neurology and Ophthalmology, Hospital of the University of Pennsylvania and the Children’s Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia. MORE

Dr. Mannis received his MD from the University of Florida College of Medicine and is currently a Professor and Chair in the Department of Ophthalmology at UC Davis as well as co-author of Cornea, 3rd Edition.

Anthony J. Phillips, MPhil, FBOA, HD, FAAO, FBCO, FVCO, FCLSA, DCLP practices in the Department of Ophthalmology, Flinders Medical Centre and The Women’s and Children’s Hospital, Adelaide, Australia. He is a co-author of Contact Lenses, 6th Edition. MORE

Dr. Ryan is an award-winning expert, internationally known lecturer and author of numerous texts within the field of ophthalmology, including Retina, 5th Edition. He is currently President of the Doheny Eye Institute.