Eye dominance may influence how well eyes fuse images, study suggests
NCT ID NCT07697131
First seen Jul 13, 2026 · Last updated Jul 14, 2026 · Updated 1 time
Summary
This study looks at whether a person's dominant eye influences how well their eyes can work together to see a single image, a skill called fusional vergence. Researchers will measure eye fusion in 60 healthy adults aged 18 to 35, comparing results when testing the dominant versus non-dominant eye. The goal is to understand if eye dominance explains differences in fusion measurements, which could eventually help improve vision therapy for people with convergence insufficiency.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If confirmed, this could help orthoptists tailor vision exercises to a person's dominant eye, making therapy more effective for conditions like convergence insufficiency.
- What could go wrong
- This is a small, early-stage observational study in healthy adults, so findings may not apply to people with vision disorders or to real-world therapy outcomes.
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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.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Hôpital Necker-Enfants Malades
Paris, 75015, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
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