Auditory, Vestibular and Cognitive Effects due to Repeated Blast Exposure on the Warfighter

Casto, Kristen L.; Nedostup, Amy E; Byrne, Clyde D

doi:10.21236/ada576370

Cited by 3 publications

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“… 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 A number of research studies, including several from our group, have employed these tests for evaluation of mTBI and have shown that metrics from these tests can be useful to detect and monitor deficits following mTBI. 24 , 25 , 26 , 27 , 28 , 29 Furthermore, the availability of high‐resolution eye‐tracking technology, which can accurately measure eye movements on the order of less than 0.1°, makes these tests valuable tools for the assessment of mTBI and other neurological conditions. However, the scarcity of normative data has impeded the wide adoption of these tests in clinical practice.…”

Section: Introductionmentioning

confidence: 99%

Normative data for ages 18‐45 for ocular motor and vestibular testing using eye tracking

Kullmann

Ashmore

Braverman

et al. 2021

Laryngoscope Investig Oto

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Objective Eye tracking technology has been employed in assessing ocular motor and vestibular function following vestibular and neurologic conditions, including traumatic brain injury (TBI). Assessments include tests that provide visual and motion (rotation) stimuli while recording horizontal, vertical, and torsional eye movements. While some of these tests have shown diagnostic promise in previous studies, their use in clinical practice is limited by the lack of normative data. The goal of this study was to construct normative reference ranges to be used when comparing patients' results. Methods Optokinetic response, subjective visual horizontal and vertical, and rotation tests were administered to male and female volunteers, ages 18‐45, who were free from neurological, vestibular disorders, or other head injuries. Tests were administered using either a rotatory chair or a portable virtual reality‐like goggle equipped with video‐oculography. Results Reference values for eye movements in response to different patterns of stimuli were analyzed from 290 to 449 participants. Analysis of gender (self‐reported) or age when grouped as pediatric (late adolescent; 18‐21 years of age) and adult (21‐45 years of age) revealed no effects on the test metrics. Data were pooled and presented for each test metric as the 95% reference interval ( RI ) with 90% confidence intervals ( CI ) on upper and lower limits of the RI. Conclusions This normative database can serve as a tool to aid in diagnosis, treatment, and/or rehabilitation protocols for vestibular and neurological conditions, including mild TBI (mTBI). This database has been cleared by the FDA for use in clinical practice (K192186). Level of evidence 2b

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Section: Introductionmentioning

confidence: 99%

Normative data for ages 18‐45 for ocular motor and vestibular testing using eye tracking

Kullmann

Ashmore

Braverman

et al. 2021

Laryngoscope Investig Oto

View full text Add to dashboard Cite

show abstract

Blast mild traumatic brain injury is associated with increased myopia and chronic convergence insufficiency

et al. 2021

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Proposed Objective Visual System Biomarkers for Mild Traumatic Brain Injury

et al. 2014

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The challenge and search for objectively based biomarkers to assess for the presence of concussion/mild traumatic brain injury is a high priority for the military establishment. We present a documented overview of specific test areas and related targeted, high-yield, objectively based parameters that may be potential "vision biomarkers" for the detection of concussion/mild traumatic brain injury based on results from our laboratory and others, with emphasis on oculomotor aspects. These findings have military relevance with respect to the initial diagnosis in the battlefield and in the far-forward medical facilities, pre-/postdeployment issues, pre-/postvisual rehabilitation evaluation, fitness-for-duty assessment, and establishment of a return-to-duty timeline.

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Auditory, Vestibular and Cognitive Effects due to Repeated Blast Exposure on the Warfighter

Cited by 3 publications

References 0 publications

Normative data for ages 18‐45 for ocular motor and vestibular testing using eye tracking

Normative data for ages 18‐45 for ocular motor and vestibular testing using eye tracking

Blast mild traumatic brain injury is associated with increased myopia and chronic convergence insufficiency

Proposed Objective Visual System Biomarkers for Mild Traumatic Brain Injury

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