Don’t Blink. The King-Devick Test: A Rapid, Sideline Visual Assessment Tool to Assist in Detection of Concussion by Adam B. Rosen | Mar 16, 2015The King-Devick test for sideline concussion screening in collegiate football Leong DF, Balcer LJ, Galetta SL, Evans G, Gimre M, Watt D. Journal of Optometry. 2015. doi: 10.1016/j.optom.2014.12.005. [Epub]...