Eye muscle transplant or Y-Split: which fixes severe crossed eyes better?
NCT ID NCT07350330
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests two surgical methods to correct large-angle exotropia (a type of crossed eyes) using only one eye. One method moves a piece of muscle to the side, the other splits the muscle in a Y-shape. Researchers will measure how straight the eyes become and check for any side effects like droopy eyelids or limited eye movement. The trial is currently recruiting 30 people aged 6 and older.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- surgical procedure (muscle transplantation or Y splitting recession)
- What this could lead to
- If successful, this could establish a better surgical option for correcting large-angle exotropia with fewer side effects like eye movement problems.
- What could go wrong
- This is a small, early-stage study with only 30 participants, so results may not apply to everyone. Surgery carries standard risks like infection or under/over-correction.
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
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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
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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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
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6 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age should be of more than 6 years Exotropia of an angle ranging from 50 to 70 PD Myopic or hypermetropic refraction Exclusion Criteria: * history of previous squint surgery significant vertical deviation incomitant squint in the form of paralytic or restrictive disorder any neurological disease
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Ain shams university
RECRUITINGCairo, Egypt
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