Trial of Overminus Spectacle Therapy for Intermittent Exotropia
Public ClinicalTrials.gov record NCT02807350. 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 Randomized Clinical Trial of Overminus Spectacle Therapy for Intermittent Exotropia
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The main objectives of this randomized trial comparing overminus lens treatment to non-overminus (spectacles without overminus or spectacles with plano lenses) are to determine: * The long-term on-treatment effect of overminus treatment on distance intermittent exotropia (IXT) control score. * The off-treatment effect of overminus treatment on distance IXT control score (following weaning and 3 months off treatment).
Study identification
- NCT ID
- NCT02807350
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 386 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 3 Years to 10 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
- Jan 16, 2017 (Actual)
- Primary completion
- Nov 30, 2020 (Actual)
- Completion
- Feb 15, 2022 (Actual)
- Last update posted
- Jul 9, 2026
2017 – 2022
United States locations
- U.S. sites
- 59
- U.S. states
- 29
- U.S. cities
- 53
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham | Birmingham | Alabama | 35294 | — |
| Midwestern University Eye Institute | Glendale | Arizona | 85308 | — |
| Arkansas Childrens | Little Rock | Arkansas | 72202 | — |
| University Eye Center at Ketchum Health | Anaheim | California | 92807 | — |
| Marshall B. Ketchum University | Fullerton | California | 92831 | — |
| Loma Linda University Health Care, Dept. of Ophthalmology | Loma Linda | California | 92354 | — |
| Saddleback Eye Medical Associates | Mission Viejo | California | 92691 | — |
| Stanford University | Palo Alto | California | 94303 | — |
| Western University College of Optometry | Pomona | California | 91766 | — |
| University of California San Francisco Department of Ophthalmology | San Francisco | California | 94143 | — |
| Nova Southeastern University College of Optometry, The Eye Institute | Fort Lauderdale | Florida | 33382 | — |
| University of Florida Shands Hospital | Gainesville | Florida | 32608 | — |
| Nemours Children's Clinic | Jacksonville | Florida | 32207 | — |
| The Emory Eye Center | Atlanta | Georgia | 30322 | — |
| St Luke's Hospital | Boise | Idaho | 83702 | — |
| Ann & Robert H. Lurie Children's Hospital of Chicago | Chicago | Illinois | 60611 | — |
| Illinois College of Optometry | Chicago | Illinois | 60616 | — |
| The Eye Specialists Center, LLC | Chicago Ridge | Illinois | 60415 | — |
| Midwestern U Chicago College of Optometry | Downers Grove | Illinois | 60515 | — |
| Pediatric Eye Associates | Wilmette | Illinois | 60091 | — |
| Indiana University School Of Optometry | Bloomington | Indiana | 47405 | — |
| Riley Hospital for Children | Indianapolis | Indiana | 46202 | — |
| The Eye Specialist Center, LLC | Munster | Indiana | 46321 | — |
| Wolfe Eye Clinic | West Des Moines | Iowa | 50266 | — |
| University of Kentucky Department of Neurology | Lexington | Kentucky | 40536 | — |
| Greater Baltimore Medical Center | Baltimore | Maryland | 21204-5809 | — |
| Wilmer Eye Institute | Baltimore | Maryland | 21287-9028 | — |
| Tufts Medical Center | Boston | Massachusetts | 02111 | — |
| Boston Medical Center | Boston | Massachusetts | 02118 | — |
| Helen DeVos Children's Hospital Pediatric Ophthalmology | Grand Rapids | Michigan | 49503 | — |
| Pediatric Ophthalmology, P.C. | Grand Rapids | Michigan | 49546 | — |
| Children's Eye Care PC | West Bloomfield | Michigan | 48322 | — |
| University of Minnesota | Minneapolis | Minnesota | 55454 | — |
| Mayo Clinic Department of Ophthalmology | Rochester | Minnesota | 55905 | — |
| Children's Mercy Hospitals and Clinics | Kansas City | Missouri | 64108 | — |
| U of MO St. Louis College of Optometry | St Louis | Missouri | 63121 | — |
| University of Nebraska Medical Center | Omaha | Nebraska | 68114 | — |
| Concord Ophthalmologic Associates | Concord | New Hampshire | 03301 | — |
| State University of New York, College of Optometry | New York | New York | 10036 | — |
| Duke University Eye Center | Durham | North Carolina | 27710 | — |
| Akron Children's Hospital | Akron | Ohio | 44308 | — |
| Cincinnati Children's Hospital | Cincinnati | Ohio | 45229 | — |
| The Ohio State University College of Optometry | Columbus | Ohio | 43210-1280 | — |
| Eye Care Associates, Inc. | Poland | Ohio | 44514 | — |
| Dean A. McGee Eye Institute, University of Oklahoma | Oklahoma City | Oklahoma | 73104 | — |
| Pacific University College of Optometry | Portland | Oregon | 97205 | — |
| Casey Eye Institute | Portland | Oregon | 97239 | — |
| Conestoga Eye | Lancaster | Pennsylvania | 17601 | — |
| Salus University/Pennsylvania College of Optometry | Philadelphia | Pennsylvania | 19141 | — |
| UPMC Children's Eye Center of Children's Hospital of Pittsburgh | Pittsburgh | Pennsylvania | 15224 | — |
| Medical University of South Carolina, Storm Eye Institute | Charleston | South Carolina | 29425 | — |
| Pediatric Eye Specialists | Chattanooga | Tennessee | 37421 | — |
| Southern College of Optometry | Memphis | Tennessee | 38104 | — |
| Texas Children's Hospital - Dept. Of Ophthalmology | Houston | Texas | 77030 | — |
| University of Houston College of Optometry | Houston | Texas | 77204 | — |
| Texas Tech University Health Science Center | Lubbock | Texas | 79430 | — |
| Houston Eye Associates | The Woodlands | Texas | 77381 | — |
| Virginia Pediatric Eye Center | Norfolk | Virginia | 23502 | — |
| Gundersen Health System | La Crosse | Wisconsin | 54601 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02807350, 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 Jul 9, 2026 · Synced Oct 25, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT02807350 live on ClinicalTrials.gov.