Biography Dr. Bush received his undergraduate degree in Environmental Chemistry from Missouri State University. He graduated from the University of Missouri-St. Louis College of Optometry in 1988. He earned a Master of Science degree in Physiological Optics from the University of Missouri-St. Louis where his main emphasis of study was the use of wavescan aberrometry to better correct Keratoconus patients. Dr. Bush practices full scope primary care optometry with a special interest in contact lenses and Keratoconus.