Recruiting

Dichoptic Movies

Sponsor:

Retina Foundation of the Southwest

Code:

NCT07272005

Conditions

Intermittent Exotropia

Eligibility Criteria

Sex: All

Age: 4 - 10

Healthy Volunteers: Not accepted

Interventions

dichoptic videos

standard videos

Study Details

Brief summary:

To determine whether use of dichoptic movies for 8 weeks may be helpful in improving control alignment in children with intermittent exotropia (IXT), thus allowing IXT to be managed non-surgically

Conditions

Intermittent Exotropia

Study ID

NCT07272005

Start date

Apr 1, 2026

Status verified date

Apr, 2026

Completion date

Aug, 2028

Anticipated

Primary completion date

Feb, 2028

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 4 - 10

Healthy Volunteers: Not accepted

Inclusion Criteria:

  • Diagnosis of IXT or XT at Distance \& IXT or XP at near (Basic or Pseudo Divergence Excess subtype of IXT)
  • No surgery planned for 6 months

Exclusion Criteria:

  • Prior eye muscle surgery
  • Prior binocular treatment or vision therapy
  • Amblyopia
  • Neurological conditions, seizure disorders, vestibular abnormalities, or frequent headache
  • Other eye conditions (refractive error OK)

Study Design

Enrollment

40 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

experimental: Group 1: Dichoptic Videos

dichoptic videos streamed at home 1 hour per day, 5 days per week

sham comparator: Group 2: Standard Videos

standard videos streamed at home 1 hour per day, 5 days per week

Interventions

dichoptic videos

custom designed dichoptic videos

standard videos

standard videos

Primary outcome measure

  • Improvement in control of intermittent exotropia [ Time Frame: 8 weeks ]

Central Contacts and Locations

Central contacts

Eileen Birch, PhD

2143633911ebirch@retinafoundation.org

Reed Jost, MS

2143633911reedjost@retinafoundation.org

Locations

Retina Foundation of the Southwest

Recruiting

Dallas, Texas, United States, 75231

Contacts

Pediatric Laboratory

2143633911

Principal Investigator:

Eileen E Birch, PhD

More Information

Sponsor

Retina Foundation of the Southwest

Last update posted

Apr 8, 2026

Last verified

Apr, 2026

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by Retina Foundation of the Southwest on 2026-04-08.