AANS Neurosurgeon | Volume 26, Number 1, 2017

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Post-concussion, Study Shows Peripheral Vision Reaction Times Substantially Impaired

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After a concussion occurs, symptoms most commonly experienced are headache, dizziness, memory problems and sleep disturbances, as well as visual dysfunction. Such symptoms can be difficult to quantify and follow in patients on a long-term basis. Patient reports of feeling ‘slower than normal’ after a concussion have been associated with visual dysfunction of the central vision reaction times (CVRT). However, until now, little research has been done on peripheral vision reaction times (PVRT) post-concussion. In athletes, where slowed reaction time can put them at higher risk for injury or re-injury, monitoring reaction times in players can be a key assessment before allowing them to return to play. Results of a study conducted at the University of Cincinnati College of Medicine reported that patients who sustained a concussion, followed by symptoms of visual dysfunction, experienced significantly delayed central and peripheral vision reaction times when compared with a control group of patients with no history of concussion.

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