Exercise-Induced Vision Dysfunction Early After Sport-Related Concussion Is Associated With Persistent Postconcussive Symptoms

What is the relationship between visual dysfunction during exercise and the development of persistent post-concussion symptoms (PPCS)? Adolescent athletes who had a concussion within the past week were administered the King Devick Test, a test used to assess visual dysfunction after concussion, and then completed the Buffalo Treadmill Test (experimental group) or stretching exercises (control…