Dr. T. Mark Johnson has written a chapter on Vitreo-Retinal disorders in a soon-to-be-published textbook entitled Ophthalmology: Clinical and Surgical Principals. The chapter provides a practical approach to evaluating patients with vitreo-retinal disease, covers the epidemiology and presenting signs and symptoms of the major conditions and reviews the current best evidence for therapeutic decisions in the treatment of those conditions. Dr. Johnson is one of 16 world expert subspecialty contributors to this comprehensive resource for ophthalmologists, optometrists, ophthalmology residents, family physicians and medical students.