Journal article
Effects of vision therapy on near exodeviation in children with convergence insufficiency treated during the convergence insufficiency treatment trials
Ophthalmic & physiological optics, v 44(5), pp 936-944
Jul 2024
PMID: 38619213
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Purpose: To report the change in the magnitude of near exodeviation in children with symptomatic convergence insufficiency successfully treated with office-based vergence/accommodative therapy in the Convergence Insufficiency Treatment Trial-Attention and Reading Trial. Methods: A total of 131 children 9-14 years of age with symptomatic convergence insufficiency classified as successfully treated with office-based vergence/accommodative therapy at the 16-week outcome visit were included. Masked examiners measured the near ocular deviation by the prism and alternate cover test at baseline, primary outcome and 1-year post-treatment. The mean change in near deviation was calculated from baseline to primary outcome, from primary outcome to 1-year post-treatment and from baseline to 1-year post-treatment. Results: Of the 131 participants successfully treated with vergence/accommodative therapy, 120 completed the 1-year post-treatment visit. A significant change in near exodeviation was observed at baseline to primary outcome (2.6 Delta less exo, p < 0.001, moderate effect size d = 0.61) and at baseline to 1-year post-treatment (2.0 Delta less exo; p < 0.001, small effect size d = 0.45). The change from primary outcome to 1-year post-treatment (0.6 Delta more exo; p = 0.06, small effect size d = 0.11) was not significant. Forty per cent (48/120) of participants had a decrease in near exodeviation >3.5 increment (expected test/retest variability) between baseline and the primary outcome examination. Of the 120 participants, one (1.0%) was esophoric at the primary outcome and was subsequently exophoric at 1-year post-treatment. Four participants (3.3%) who were orthophoric or exophoric at the primary outcome were esophoric (all <= 3 increment ) at the 1-year post-treatment visit. Conclusion: On average, the near exodeviation was smaller in size immediately after the discontinuation of vergence/accommodative therapy (2.6 increment , moderate effect size) and 1 year post vergence/accommodative therapy (2.0 increment , small effect size) in children with convergence insufficiency who were successfully treated; 40% had a clinically meaningful decrease in exophoria. The development of near esophoria was rare.
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Details
- Title
- Effects of vision therapy on near exodeviation in children with convergence insufficiency treated during the convergence insufficiency treatment trials
- Creators
- Erica Schulman - SUNY College of OptometryMitchell Scheiman - Salus UniversityMarjean T. Kulp - The Ohio State UniversityTawna L. Roberts - Stanford UniversitySusan Cotter - Marshall B. Ketchum UniversityLoraine T. Sinnott - SUNY College of OptometryAndrew Toole - The Ohio State UniversityCITT ART Investigator Group
- Publication Details
- Ophthalmic & physiological optics, v 44(5), pp 936-944
- Publisher
- Wiley
- Number of pages
- 9
- Grant note
- National Eye Institute; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Eye Institute (NEI) National Eye Institute of the National Institutes of Health, Department of Health and Human Services; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Eye Institute (NEI)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pennsylvania College of Optometry (PCO)
- Web of Science ID
- WOS:001202433800001
- Scopus ID
- 2-s2.0-85190948135
- Other Identifier
- 991021901713904721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Ophthalmology