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Smooth Pursuit Velocity After a Season of Repetitive Head Impacts in American Football Players

JAMA Ophthalmology 10.1001/jamaophthalmol.2025.2935

September 18, 2025 at 11:00 AM EDT

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Is there an association between repetitive head impacts and oculomotor control across a single division I American football season?Smooth pursuit velocity was not affected by repetitive head impacts across a single season of contact American football. No head-impact metric was related to smooth pursuit velocity across the season; high-dose head-impact athletes did start the season with worse smooth pursuit velocity.In this study, smooth pursuit velocity was not influenced following a single season of contact sports.

Corresponding Author: Nicholas G. Murray, PhD, Department of Kinesiology, School of Public Health, University of Nevada, Reno, 1664 N Virginia St, M/S 0274, Reno, NV 89557 (nicholasmurray@unr.edu).

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