Subconcussive Impacts Affect Football Players Vision

"In a study that included 29 NCAA football players, repetitive subconcussive impacts were associated with changes in near point of convergence (NPC) ocular-motor function among players in the higher-impact group, although NPC was normalized after a 3-week rest period, according to a study published online by JAMA Ophthalmology," notes Medical News Today. "The NPC measures the closest point to which one can maintain convergence (simultaneous inward movement of eyes toward each other) while focusing on an object before diplopia (double vision) occurs." Read more.