Dr. Johnson received a B.S. in Neuroscience from Brigham Young University, and his Doctor of Optometry degree from the Pennsylvania College of Optometry. He is currently an associate professor at the Oklahoma College of Optometry where he teaches courses in neuroscience, healthcare systems, and epidemiology. Dr. Johnson is a principal investigator in the NIH funded RAPID study to evaluate the efficacy of povidone iodine in the treatment of viral conjunctivitis. He has lectured at national, regional, and state association meetings throughout the United States and Canada. Prior to his career in academia, Dr. Johnson worked in the refractive surgery industry, and owned a private practice.