Subconcussive head impacts negatively affect near point of convergence; however, over time, the oculomotor system could adapt to subclinical brain injuries, according to a study.
The prospective case series study measured near point of convergence (NPC) in 12 U.S. varsity high school football players in the preseason, before and after each of six in-season games, and in the postseason. Each subject wore a mouthguard that measured the number and magnitude of head hits, as well as a chest strap heart monitor that recorded heart rate variability and excess post-exercise oxygen (Read more...)
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