Effectiveness of vergence/accommodative therapy for accommodative dysfunction in children with convergence insufficiency
| Autor: | Christopher Chase, Tawna L Roberts, Eric Borsting, Marjean Taylor Kulp, Mitchell Scheiman, Susan A. Cotter, Loraine T. Sinnott, G. Lynn Mitchell, Convergence Insufficiency Treatment Trial Attention, Yin C. Tea, L. Eugene Arnold, Richard W Hertle, Lisa A. Jones-Jordan, Angela M. Chen |
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| Rok vydání: | 2020 |
| Předmět: |
Male
Cycles per minute Placebo therapy Convergence insufficiency Vergence 03 medical and health sciences Ocular Motility Disorders 0302 clinical medicine Treatment trial Myopia Humans Medicine Child Vision Binocular business.industry Therapy group Accommodation Ocular Convergence Ocular Accommodative amplitude medicine.disease Sensory Systems Confidence interval Ophthalmology Eyeglasses Hyperopia Treatment Outcome Anesthesia 030221 ophthalmology & optometry Female business 030217 neurology & neurosurgery Follow-Up Studies Orthoptics Optometry |
| Zdroj: | Ophthalmic and Physiological Optics. 41:21-32 |
| ISSN: | 1475-1313 0275-5408 |
| Popis: | PURPOSE To determine the effectiveness of office-based vergence/accommodative therapy for improving accommodative amplitude and accommodative facility in children with symptomatic convergence insufficiency and accommodative dysfunction. METHODS We report changes in accommodative function following therapy among participants in the Convergence Insufficiency Treatment Trial - Attention and Reading Trial with decreased accommodative amplitude (115 participants in vergence/accommodative therapy; 65 in placebo therapy) or decreased accommodative facility (71 participants in vergence/accommodative therapy; 37 in placebo therapy) at baseline. The primary analysis compared mean change in amplitude and facility between the vergence/accommodative and placebo therapy groups using analyses of variance models after 4, 8, 12 and 16 weeks of treatment. The proportions of participants with normal amplitude and facility at each time point were calculated. The average rate of change in amplitude and facility from baseline to week 4, and from weeks 4 to 16, were determined in the vergence/accommodative therapy group. RESULTS From baseline to 16 weeks, the mean improvement in amplitude was 8.6 dioptres (D) and 5.2 D in the vergence/accommodative and placebo therapy groups, respectively (mean difference = 3.5 D, 95% confidence interval (CI): 1.5 to 5.5 D; p = 0.01). The mean improvement in facility was 13.5 cycles per minute (cpm) and 7.6 cpm in the vergence/accommodative and placebo therapy groups, respectively (mean difference = 5.8 cpm, 95% CI: 3.8 to 7.9 cpm; p |
| Databáze: | OpenAIRE |
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