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Accepted (AM)Open Access (License Unspecified), Open
Journal article
Randomized clinical trial of treatments for symptomatic convergence insufficiency in children
Archives of ophthalmology (1960), v 126(10), pp 1336-1349
01 Oct 2008
PMID: 18852411
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Objective: To compare home-based pencil push-ups (HBPP), home-based computer vergence/accommodative therapy and Pencil push-ups (HBCVAT+), office-based vergence/accommodative therapy with home reinforcement (OBVAT), and office-based placebo therapy with home reinforcement (OBPT) as treatments for symptomatic convergence insufficiency.
Methods: In a randomized clinical trial, 221 children aged 9 to 17 years with symptomatic convergence insufficiency were assigned to 1 of 4 treatments.
Main Outcome Measures: Convergence Insufficiency Symptom Survey score after 12 weeks of treatment. Secondary outcomes were near point of convergence and positive fusional vergence at near.
Results: After 12 weeks of treatment, the OBVAT group's mean convergence Insufficiency Symptom Survey score (15.1) was statistically significantly lower than those of 21.3, 24.7. and 21.9 in the HBCVAT+, HBPP, and OBPT groups, respectively (P<.001). The OBVAT group also demonstrated a significantly improved near point of convergence and positive fusional vergence at near compared with the other groups (P <=.005 for all comparisons). A Successful or improved outcome was found in 73%, 43%, 33%, and 35% of patients in the OBVAT, HBPP, HBCVAT+, and OBPT groups, respectively.
Conclusions: Twelve weeks of OBVAT results in a significantly greater improvement in symptoms and clinical measures of near point of convergence and positive fusional vergence and a greater percentage of patients reaching the predetermined criteria of success compared with HBPP, HBCVAT+, and OBPT.
Application to Clinical Practice: office-based vergence accommodative therapy is an effective treatment for children with symptomatic convergence insufficiency.
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Details
- Title
- Randomized clinical trial of treatments for symptomatic convergence insufficiency in children
- Creators
- Mitchell ScheimanConvergence Insufficiency Treatment Trial Study Group
- Publication Details
- Archives of ophthalmology (1960), v 126(10), pp 1336-1349
- Publisher
- Amer Medical Assoc
- Number of pages
- 14
- Grant note
- U10EY014713; U10EY014676; U10EY014706; U10EY014712; U10EY014709; U10EY014716; U10EY014715; U10EY014659; U10EY014710 / 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:000259900700001
- Scopus ID
- 2-s2.0-54049104939
- Other Identifier
- 991021900613404721
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- Web of Science research areas
- Ophthalmology