Published monthly, Optometry and Vision Science (OVS) is the official journal of the American Academy of Optometry. It is an authoritative source for current developments in optometry, visual optics, and eye & vision science. This frequently cited scientific journal has served primary eye care practitioners for close to 90 years, promoting vital interdisciplinary exchange among optometrists, ophthalmologists and eye/vision scientists worldwide. Michael D. Twa, OD, PhD, FAAO is the Editor-in-Chief of Optometry and Vision Science.