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Convergence Insufficiency Treatment Study (CITS)
Rochester, MN
The purpose of this study is to determine the effectiveness of home-based computer therapy for symptomatic convergence insufficiency (CI) compared to traditional home-based near target push-ups and placebo treatment.
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A Study to Evaluate Base-in Prism Spectacles for Intermittent Exotropia
Rochester, MN
The purpose of this study is to compare spectacles with relieving prism to spectacles without prism to determine whether to proceed to a full-scale, longer-term randomized trial. This decision will be based primarily on assessing the initial (8-week) response to prism by comparing treatment groups on the following outcomes:
- Mean distance intermittent exotropia (IXT) control score (the mean of 3 control scores) (primary outcome);
- The proportion of participants demonstrating a "treatment response," defined as ≥ 1 point improvement in the mean distance IXT control score without spontaneous exotropia during control testing (secondary outcome);
- The proportion of participants ...
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A Study of Clinical Characteristics, Treatments, and One-Year Outcomes of Adults with Strabismus
Rochester, MN
The purpose of this study is to describe clinical characteristics, treatments, and one-year outcomes for adults who have convergence insufficiency, divergence insufficiency, or small angle hypertropia.
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Binocular Dig Rush Game Treatment for Amblyopia
Rochester, MN
The purpose of the study is to compare the efficacy of 1 hour/day of binocular game play 5 days per week plus spectacle correction with spectacle correction only, for treatment of amblyopia in children 4 to <13 years="" of="">13>