Convergence Insufficiency Treatment Trial (CITT)
Convergence Insufficiency, Binocular Vision Disorder
About this trial
This is an interventional treatment trial for Convergence Insufficiency focused on measuring vision therapy, orthoptics, pencil push-up therapy
Eligibility Criteria
Inclusion Criteria: Children between the ages of 9 and 17 years with symptomatic convergence insufficiency Exophoria at near at least 4Δ greater than at far Insufficient positive fusional convergence at near A receded near point of convergence of ≥6 cm break CI Symptom Survey score ≥16 Exclusion Criteria: Previous treatment with office-based vision therapy/orthoptics or pencil push-ups Systemic diseases known to affect accommodation, vergence and ocular motility Developmental disability, mental retardation, attention deficit hyperactivity disorder (ADHD), or learning disability diagnosis that in the investigator's discretion would interfere with treatment
Sites / Locations
- University of Alabama at Birmingham School of Optometry
- Southern California College of Optometry
- Ratner Children's Eye Center
- NOVA Southeastern University College of Optometry
- Bascom Palmer Eye Institute
- Mayo Clinic
- State University of New York College of Optometry
- The Ohio State University College of Optometry
- Pennsylvania College of Optometry