Eye surgery showdown: which fix works best for crossed eyes?

NCT ID NCT07180199

Disease control Sponsor: Tanta University Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study looked at two surgical methods to correct a type of eye misalignment called V-pattern intermittent exotropia, where the eyes drift outward, especially when looking up. Twenty patients received either a standard muscle recession or a recession with an upward shift of the muscle attachment. The goal was to achieve eye alignment within 10 prism diopters. The study also tracked complications like overcorrection or limited eye movement.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance: Bilateral lateral rectus recession with or without upward transposition
What this could lead to: If successful, this could help surgeons choose the best procedure to correct a specific type of eye misalignment, improving eye alignment and function.
What could go wrong: This is a small, completed study with only 20 participants. Results may not apply to all patients, and risks include overcorrection, undercorrection, or limited eye movement.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

20 people

The number who actually took part.

Started

Aug 2023

Finished

Aug 2024

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

5 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients with V pattern intermittent exotropia (XT increasing by \>10Δ in upgaze compared with Downgaze). * No or minimal inferior oblique overaction on both sides (+1) * Minimum follow-up period of 6 months after surgical correction of strabismus Exclusion Criteria: * Structural eye pathology. * Significant neurodevelopmental delay. * ntermittent exotropia without V pattern. * Superior oblique under action. * Duane syndrome. * Less than 6 months follow up.

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Conditions

The condition(s) this trial relates to.

alternating exotropia intermittent squint

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Inferior oblique muscle Intermittent exotropia Overaction Surgical correction V pattern

Eye surgery showdown: which fix works best for crossed eyes?

What the study statuses mean