Conference proceeding
Clinical and Functional Imaging Changes Induced from Vision Therapy in Patients with Convergence Insufficiency
2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), v 2019, pp 104-109
01 Jul 2019
PMID: 31945855
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Office-Based Vergence/Accommodative Therapy (OBVAT) is an effective treatment for convergence insufficiency (CI) and remediates symptoms in about 75% of patients. Hence, the study of CI patients can serve as a systems-level model to understand the neural mechanisms evoked from rehabilitation. Symptomatic young adult CI patients (N=25) participated in 12 hours of OBVAT and were compared to 25 binocularly normal controls (BNC) using unpaired t-tests. CI patients have significantly lower near point of convergence and positive fusional vergence and were more symptomatic compared to BNC (p<; 0.0001). Using paired t-tests, significant differences (p<; 0.0001) were observed between CI patients' baseline and post-OBVAT measurements where the near point of convergence decreased, positive fusional vergence increased, and the results from the Convergence Insufficiency Symptom Survey (CISS) decreased. Using paired t-tests, the mean beta weights of the functional activity significantly increased for the frontal eye fields (p<; 0.01) and the oculomotor vermis (p<; 0.05) for CI patients post-OBVAT compared to baseline measurements. These data demonstrate that OBVAT increases functional activity within the brain and improves clinical function and visual symptoms in CI patients.
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Details
- Title
- Clinical and Functional Imaging Changes Induced from Vision Therapy in Patients with Convergence Insufficiency
- Creators
- Tara L. Alvarez - New Jersey Institute of TechnologyMitchell Scheiman - Salus UniversityElio M. Santos - New Jersey Institute of TechnologyCristian Morales - New Jersey Institute of TechnologyChang Yaramothu - New Jersey Institute of TechnologyJohn Vito d'Antonio-Bertagnolli - New Jersey Institute of TechnologySuril Gohel - Rutgers, The State University of New JerseyBharat B. Biswal - New Jersey Institute of TechnologyXiaobo Li - New Jersey Institute of Technology
- Publication Details
- 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), v 2019, pp 104-109
- Publisher
- IEEE
- Number of pages
- 6
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Pennsylvania College of Optometry (PCO)
- Web of Science ID
- WOS:000557295300025
- Scopus ID
- 2-s2.0-85077838073
- Other Identifier
- 991021900188004721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Engineering, Biomedical
- Engineering, Electrical & Electronic