Diabetic retinopathy: mechanism, diagnosis, prevention, and treatment.

Address: Oral Biology and Anatomy, Ophthalmology and Culver Vision Discovery Institute, College of Dental Medicine and Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA.; Department of Ophthalmology & Visual Sciences, University of Texas Medical Branch, Galveston, TX 77555, USA.; Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Institute of Clinical Sciences, Block A, Grosvenor Road, Belfast BT12 6BA, UK.