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. 2016;30(3):311-7.
doi: 10.3109/02699052.2015.1113564. Epub 2016 Feb 1.

Treatment of Vertical Heterophoria Ameliorates Persistent Post-Concussive Symptoms: A Retrospective Analysis Utilizing a Multi-Faceted Assessment Battery

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Treatment of Vertical Heterophoria Ameliorates Persistent Post-Concussive Symptoms: A Retrospective Analysis Utilizing a Multi-Faceted Assessment Battery

Mark S Rosner et al. Brain Inj. .

Abstract

Primary objective: To examine the effectiveness of neutralizing prismatic lenses for reduction of headache, dizziness and anxiety in patients with persistent post-concussive symptoms and vertical heterophoria (VH).

Background: Approximately 5-10% of patients with traumatic brain injury (TBI) develop persistent post-concussive symptoms. Many rehabilitation/treatment modalities are tried, but are largely unsuccessful, indicating a need for more effective treatment.

Design and method: This retrospective study included 38 patients with persistent post-concussive symptoms, who were diagnosed by an optometric binocular vision sub-specialist with VH (a sub-set of binocular vision dysfunction [BVD] that manifests as vertical eye and image misalignment). Data was collected both before and after prism application and included validated survey instruments for headache, dizziness, anxiety and BVD symptom burden; subjective rating (0-10 scale) of headache, dizziness and anxiety severity; and a sub-analysis of the BVD survey instrument questions that pertain specifically to headache, dizziness and anxiety. Upon conclusion of treatment, subjective assessment of overall improvement of heterophoria symptoms was obtained utilizing a 10 cm visual analogue scale.

Outcomes: Results demonstrated marked reduction in all measures of headache, dizziness and anxiety (19.1-60.8%) and an overall subjective improvement of VH symptoms of 80.2%.

Conclusions: Neutralizing prismatic lenses are an effective treatment of headache, dizziness and anxiety in patients with persistent post-concussive symptoms and VH.

Keywords: Attention Deficit Disorder/Attention Deficit Hyperactivity Disorder (ADD/ADHD); TBI; anxiety; binocular vision dysfunction; convergence insufficiency; dizziness; headache; post-concussive symptoms; prism lenses; reading or learning disability; vertical heterophoria.

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