By Jimmy D. Bartlett, OD, DOS, ScD, Professor of Optometry, School of Optometry, University of Alabama at Birmingham; Professor of Pharmacology and Toxicology, University of Alabama School of Medicine, Birmingham, AL, USA; and Siret D. Jaanus, PhD, LHD, Professor of Pharmacology, Department of Biological Sciences, State University of New York, State College of Optometry, New York; Professor Emerita, Southern California College of Optometry, Fullerton, CA, USA |