Trial of Vision Therapy for Intermittent Exotropia
Public ClinicalTrials.gov record NCT04487249. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Pilot Randomized Trial Evaluating Short-Term Effectiveness of Vision Therapy in Children With Intermittent Exotropia
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The main objective of this randomized trial comparing vision therapy to observation is to determine the short-term effectiveness of vision therapy on distance intermittent exotropia control. The results will help determine whether to proceed to a full-scale, long-term randomized trial.
Study identification
- NCT ID
- NCT04487249
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 47 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 8 Years to 16 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 30, 2021
- Primary completion
- Apr 29, 2026
- Completion
- Apr 29, 2026
- Last update posted
- Sep 2, 2026
2021 – 2026
United States locations
- U.S. sites
- 6
- U.S. states
- 5
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama in Birmingham | Birmingham | Alabama | 35294 | — |
| Southern California College of Optometry at Marshall B. Ketchum University | Fullerton | California | 92831 | — |
| Stanford University | Stanford | California | 94305 | — |
| Ohio State University | Columbus | Ohio | 43210 | — |
| Salus University | Philadelphia | Pennsylvania | 19141 | — |
| Southern College of Optometry | Memphis | Tennessee | 38104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04487249, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 2, 2026 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04487249 live on ClinicalTrials.gov.