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Related Experiment Video

Updated: May 10, 2026

Using an Automated Hirschberg Test App to Evaluate Ocular Alignment
05:40

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Published on: March 24, 2020

Interventions for intermittent exotropia.

Sarah R Hatt1, Lawrence Gnanaraj

  • 1Ophthalmology Research, Mayo Clinic, Rochester, USA. mickow.sarah@mayo.edu.

The Cochrane Database of Systematic Reviews
|June 4, 2013
PubMed
Summary
This summary is machine-generated.

Unilateral surgery appears more effective than bilateral surgery for basic intermittent exotropia. However, more research is needed on treatment criteria and natural history for this eye condition.

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Surgical Correction for Pediatric Epiblepharon and Trichiasis
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Last Updated: May 10, 2026

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03:59

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Published on: July 8, 2025

Area of Science:

  • Ophthalmology
  • Clinical Trials
  • Evidence-Based Medicine

Background:

  • Intermittent exotropia management lacks clear guidelines on intervention timing and optimal treatment strategies.
  • Existing literature primarily comprises retrospective reviews, limiting reliable analysis.

Purpose of the Study:

  • To review randomized trials on surgical and non-surgical treatments for intermittent exotropia.
  • To analyze intervention criteria and the impact of factors like age on treatment outcomes.

Main Methods:

  • Searched multiple databases (CENTRAL, MEDLINE, EMBASE, LILACS, mRCT, ClinicalTrials.gov, WHO ICTRP) and manually reviewed literature.
  • Included randomized controlled trials (RCTs) of any treatment for intermittent exotropia.
  • Independently assessed abstracts and obtained full papers for eligible studies.

Main Results:

  • One RCT met inclusion criteria, comparing unilateral and bilateral surgery.
  • Unilateral surgery demonstrated greater effectiveness than bilateral surgery for basic intermittent exotropia.

Conclusions:

  • The current evidence base for intermittent exotropia management is limited.
  • There is a critical need for validated severity measures, natural history data, and robust clinical trials.
  • Unilateral surgery shows promise, but further research is essential for optimal patient care.