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The Influence of Altered Cervical Input from Whiplash Injury on Post-Concussion Ocular/Visual Signs and Symptoms.

The complex integration between the vision, proprioception, and vestibular systems provides the foundation for postural stability, gait patterns, and many visual functions. Such visual functions include conjugate eye movements, vergence, and stability of gaze as the head, body, and/or target moves....

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Published in:Optometry & Visual Performance Vol. 7; no. 5/6; pp. 257 - 269
Main Author: Blanc, Shirley
Format: Journal Article
Published: Optometric Extension Program Dec2019
Online Access:View this record in EBSCOhost
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      dt: Dec2019
      vid: 7
      iid: 5/6
      pid: 46881
      pub: Optometric Extension Program
      place: Lutherville Timonium, Maryland
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        atl: The Influence of Altered Cervical Input from Whiplash Injury on Post-Concussion Ocular/Visual Signs and Symptoms.
      aug:
        au: Blanc, Shirley
        affil: Toronto, Ontario, Canada
      sug:
        subj:
          Whiplash Injuries Complications
          Cervical Vertebrae Physiopathology
          Brain Concussion Etiology
          Brain Concussion Complications
          Vision Disorders Risk Factors
          Vision Disorders Symptoms
          Brain Concussion Symptoms
          Vision Disorders Therapy
          Multidisciplinary Care Team
          Neural Pathways Physiology
          Collaboration
          Sensory Stimulation
          Neural Pathways Physiopathology
          Spatial Perception
          Brain Physiopathology
          Visual Acuity
          Nystagmus, Pathologic
          Neck Pain Etiology
          Balance, Postural
      ab: The complex integration between the vision, proprioception, and vestibular systems provides the foundation for postural stability, gait patterns, and many visual functions. Such visual functions include conjugate eye movements, vergence, and stability of gaze as the head, body, and/or target moves. These processes are facilitated by magnocellular pathways in the brain. The magnocellular system is particularly susceptible to dysfunction from a concussion, which can result in a variety of symptoms characteristic of Post-Trauma Vision Syndrome. Whiplash cervical injury without direct head trauma can arguably be considered to be a cause of concussion due to a similar profile of signs and symptoms as traumatic brain injury from direct head impact. Cervical afferent changes that occur from whiplash can produce sensorimotor disruption and thus affect those visual functions that are influenced by proprioceptive input from the neck. As can be seen, rehabilitation of visual function following whiplash injury requires a multi-disciplinary collaborative effort to facilitate the variety of sensory inputs needed for these processes to occur accurately and effortlessly.
      pubtype: Academic Journal
      doctype: Journal Article
      ougenre: Article
    language: English
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