Journal article
Randomised clinical trial of the effectiveness of base-in prism reading glasses versus placebo reading glasses for symptomatic convergence insufficiency in children
British journal of ophthalmology, v 89(10), pp 1318-1323
01 Oct 2005
PMID: 16170124
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Purpose: To compare base-in prism reading glasses with placebo reading glasses for the treatment of symptomatic convergence insufficiency (CI) in children aged 9 to <18 years. Methods: In a randomised clinical trial, 72 children aged 9 to <18 years with symptomatic CI were assigned to either base-in prism glasses or placebo reading glasses. Symptom level, measured with a quantitative symptom questionnaire (CI Symptom Survey-V15), was the primary outcome measure. Near point of convergence and positive fusional vergence at near were secondary outcomes. Results: The mean (SD) CI Symptom Survey score decreased (that is, less symptomatic) in both groups (base-in prism glasses from 31.6 (10.4) to 16.5 (9.2); placebo glasses from 28.4 (8.8) to 17.5 (12.3)). The change in the CI Symptom Survey scores (p = 0.33), near point of convergence (p = 0.91), and positive fusional vergence (p = 0.59) were not significantly different between the two groups after 6 weeks of wearing glasses. Conclusions: Base-in prism reading glasses were found to be no more effective in alleviating symptoms, improving the near point of convergence, or improving positive fusional vergence at near than placebo reading glasses for the treatment of children aged 9 to <18 years with symptomatic CI.
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Details
- Title
- Randomised clinical trial of the effectiveness of base-in prism reading glasses versus placebo reading glasses for symptomatic convergence insufficiency in children
- Creators
- M Scheiman - Salus UniversityS Cotter - Southern California College of Optometry, Fullerton, CA, USAM Rouse - Southern California College of Optometry, Fullerton, CA, USAG L Mitchell - The Ohio State UniversityM Kulp - The Ohio State UniversityJ Cooper - College of Optometry, State University of New York, New York, NY, USAE Borsting - Southern California College of Optometry, Fullerton, CA, USACIT Study Grp
- Publication Details
- British journal of ophthalmology, v 89(10), pp 1318-1323
- Publisher
- BMJ Publishing Group Ltd
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pennsylvania College of Optometry (PCO)
- Web of Science ID
- WOS:000231974900022
- Scopus ID
- 2-s2.0-27744578294
- Other Identifier
- 991021900614304721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Ophthalmology