The role of eye movement dysfunction in concussion

Publication Type:
Issue Date:
Full metadata record
π—œπ—»π˜π—Ώπ—Όπ—±π˜‚π—°π˜π—Άπ—Όπ—» Although up to 82% of diagnosed concussion episodes experience visual dysfunction, there is little to no assessment of this within Australian sport which represents an important oversight impacting the potential health of players across all levels of sport. Greater understanding of the impact of visual characteristics may help improve diagnosis and rehabilitation. π— π—²π˜π—΅π—Όπ—±π˜€ The first three studies involved use of various visual tools on semi-professional rugby union athletes to understand the validity of current diagnostic devices and identify potential visual deficits following concussion. The fourth represents the analysis of medical records of children previously diagnosed with concussion. π—₯π—²π˜€π˜‚π—Ήπ˜π˜€ The ceiling effect of the King-Devick test for concussion diagnosis was 30 attempts with 6-8 attempts indicating increased reliability. Digital eye-tracking indicated that 73-78% of athletes exhibited faster eye movements than the system’s control population. Assessment of nine concussions in the acute phase demonstrated 89% with reduced accommodation and 33% with decreased convergence. In the retrospective review, 28% of children with concussion exhibited visual dysfunction and took 24.5 days (mean) longer to recover from symptoms compared to those without visual symptoms. π—–π—Όπ—»π—°π—Ήπ˜‚π˜€π—Άπ—Όπ—»π˜€ Visual tools can aid our understanding of concussion however require further interpretation alongside baseline testing, post-injury diagnosis and recovery.
Please use this identifier to cite or link to this item: