Vestibulo-Ocular Dysfunction in Kids with Sports-Related Concussion
[Source: Science Daily]
Researchers from the Canada North Concussion Network in Manitoba investigated the frequency of vestibulo-ocular dysfunction in children and adolescents with sports-related concussion and found that its presence was predictive of a prolonged recovery. Findings in this study are reported and discussed in “Vestibulo-ocular dysfunction in pediatric sports-related concussion” by Michael J. Ellis, MD, and colleagues, published online, ahead of print, in the Journal of Neurosurgery: Pediatrics.
Normally, if you are asked to focus on an object while turning your head to the right or left, your eyes will continue to hold the object in sight by moving in the opposite direction of your head. As your head turns to the right, for example, your eyes move to the left at approximately the same speed. The same thing happens when you raise or lower your head: your eyes move in the opposite direction so that they can continue to focus on the object. This is called the vestibulo-ocular reflex, and most of the time it works quite well. In some patients following concussion, however, this reflex is impaired.
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