Daniel H. Gold is a staff member at the Department of Ophthalmology of Tel Aviv Sourasky Medical Center, Guest Lecturer on the Sackler Faculty of Medicine of Tel Aviv University, and Clinical Professor of Ophthalmology at the University of Texas Medical Branch in Galveston. His professional interests and experience include general ophthalmology, ocular manifestations of systemic disease, and medical retinal disorders. Richard Alan Lewis, s a Professor of Ophthalmology, Medicine, Pediatrics, and Molecular and Human Genetics at Baylor College of Medicine. His personal interests cover ocular manifestations of systemic and constitutional disease and the ocular complications of hereditary disorders, especially of the retina.