Dr. Steve Devick, a 1976 graduate of the Illinois College of Optometry, is best known for his collaboration while an ICO student with classmate Alan King, resulting in the King-Devick Saccade Test. The K-D Test has been widely used through the years as a measure of saccade function primarily as related to reading. Dr. Devick has been quiet on the optometric scene, involved in a number of entrepreneurial pursuits rather than with saccades, while the DEM Test has largely displaced the K-D in regular usage, but has just burst back onto the scene as co-author of a significant paper in the current issue of Neurology. From the Departments of Neurology, Ophthalmology, and Epidemiology, University of Pennsylvania School of Medicine, this multidisciplinary paper is garnering significant attention by the media, particularly with recent attention to recurrent concussions sustained in football.
The results thus far in using the K-D Test to establish baseline speed scores for saccades, which brain injury subsequently compromises are promising. Optometrists involved in neuro-optometric rehabilitation will see renewed potential in the test for its applicability in judging successful rehabilitative efforts through vision therapy.
– Leonard J. Press, O.D., FCOVD, FAAO