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Effectiveness of vergence/accommodative therapy for accommodative dysfunction in children with convergence
Angela M Chen1, Tawna L Roberts2, Susan A Cotter1
1Southern California College of Optometry, Marshall B Ketchum University, Fullerton, USA.
Office-based vergence/accommodative therapy significantly improves accommodative amplitude and facility in children with convergence insufficiency and accommodative dysfunction. This targeted therapy offers a clinically effective solution for enhancing visual function in pediatric patients.
Area of Science:
- Ophthalmology
- Pediatric Optometry
- Vision Therapy
Background:
- Convergence insufficiency and accommodative dysfunction are common visual impairments in children.
- These conditions can negatively impact reading and academic performance.
- Effective therapeutic interventions are crucial for improving visual function and quality of life.
Purpose of the Study:
- To evaluate the effectiveness of office-based vergence/accommodative therapy.
- To assess improvements in accommodative amplitude and facility.
- To target children diagnosed with symptomatic convergence insufficiency and accommodative dysfunction.
Main Methods:
- A randomized controlled trial comparing vergence/accommodative therapy with placebo therapy.
- Participants included children with reduced accommodative amplitude or facility.
- Outcome measures included changes in accommodative amplitude and facility over 16 weeks.
Main Results:
- Vergence/accommodative therapy led to significantly greater improvements in both accommodative amplitude (mean difference: 3.5 D) and facility (mean difference: 5.8 cpm) compared to placebo.
- A higher proportion of children receiving vergence/accommodative therapy achieved normal amplitude (69% vs. 32%) and facility (85% vs. 49%).
- Rapid improvements were observed in the initial 4 weeks of therapy, with sustained gains thereafter.
Conclusions:
- Office-based vergence/accommodative therapy is an effective treatment for improving accommodative function.
- The therapy demonstrates significant benefits for children with convergence insufficiency and accommodative dysfunction.
- This approach offers a viable solution for enhancing visual capabilities in pediatric patients.
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