Journal article
Case Series: Periodic Accommodative Fluctuations after Concussion
Optometry and vision science, v 98(12), pp 1387-1393
01 Dec 2021
PMID: 34905525
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
SIGNIFICANCE This is the first report recording an accommodative disorder after concussion characterized by periodic moderately sized myopic refractive error fluctuations without measurable other features of spasm of the near reflex. PURPOSE Objectively document a class of accommodative dysfunction that may be related to concussion. CASE REPORTS Case 1 involved two sports-related concussions 2 months apart with symptoms of headache and variable blur. Refractive stability was measured 28 months after injury with a binocular open-field refractometer documenting fluctuations from -0.25 to -1.75 D occurring 10 times during 4.2 seconds of recording with no evident miosis or convergent strabismus. The symptoms resolved with 1% atropine x 3 weeks. Case 2 involved a concussive blast injury (improvised explosive device) 7 years prior with symptoms of headache behind the eyes and occasional variable blur and reduced tolerance of electronic displays and other visually intensive tasks. Refractive fluctuations from +0.50 to -2.00 D occurred seven times over 44 seconds of recording with no appreciable miosis or change of interpalpebral fissure. The signs and symptoms were unresponsive to seven occupational therapy sessions involving task modifications and accommodative vision therapy activities. CONCLUSIONS In patients complaining of blurry vision, a careful evaluation of the stability of accommodation is indicated.
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Details
- Title
- Case Series: Periodic Accommodative Fluctuations after Concussion
- Creators
- Kevin E. Houston - Massachusetts Eye & Ear, Boston, MA 02114 USACatherine E. McDaniel - The Ohio State UniversityLynn Greenspan - Drexel University Elkins Park CampusPooyan Tirandazi - Massachusetts Eye and Ear Infirmary
- Publication Details
- Optometry and vision science, v 98(12), pp 1387-1393
- Publisher
- Lippincott Williams & Wilkins
- Number of pages
- 7
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pennsylvania College of Optometry (PCO)
- Web of Science ID
- WOS:000729944000009
- Scopus ID
- 2-s2.0-85114740736
- Other Identifier
- 991022019499604721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Ophthalmology