David J. Tanzer, MD, ABO, is a board-certified, fellowship-trained ophthalmologist and the Chief Medical Officer at Lexitas Pharma Services. With over 25 years of experience across clinical practice, surgery, research, product development, and executive leadership, Dr. Tanzer has served in diverse roles with the US Navy, private practice, Abbott Medical Optics, Johnson & Johnson Vision, Novartis Pharmaceuticals, OcuTerra Therapeutics, and now Lexitas.