Subconcussive head impacts (SCHIs), although not as severe as full concussive head impacts, occur much more frequently, and they have emerged as a public health concern in recent years. Research over the past few years has shown that repeated exposures to SCHI can have a cumulative effect and might increase one’s risk of developing permanent neurological impairment in the future. However, the extent of the neuro-ophthalmologic repercussions from these type of injuries have not been studied in much detail previously. In this issue of JAMA Ophthalmology, Nowak and colleagues1 present a study of a standardized soccer ball–heading protocol and SCHIs and test the outcomes on the King-Devick test (KDT) and near point of convergence to quantitate neuro-ophthalmologic function.
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Bhat N, Harish Bindiganavile S, Lee AG. Repetitive Subconcussive Head Impact and Neuro-ophthalmology. JAMA Ophthalmol. 2020;138(4):357. doi:10.1001/jamaophthalmol.2019.6140
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