3D movies may replace eye patches for lazy eye treatment

NCT ID NCT05439200

Disease control Sponsor: Retina Foundation of the Southwest Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether watching special 3D movies at home can improve vision in children aged 3 to 7 with lazy eye (amblyopia). Half the children will watch the movies on a handheld 3D screen, while the other half will use a standard eye patch. The goal is to see if the movie method works better and is easier for kids to stick with.

What this could mean

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

Active substance: Asynchronous 3D movies viewed on a handheld lenticular 3D screen
What this could lead to: If it works, this could offer a fun, easy-to-follow alternative to eye patching for treating lazy eye in young children.
What could go wrong: This is a small, early-stage study with only 44 children, so results may not apply to everyone. The 3D movie method may not work as well as patching, and some children might not tolerate the device.

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

About 44 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2023

Expected to finish

Jun 2027

An estimate. End dates often move.

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

3 to 7 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * aged 3-7 years * male and female * strabismic, anisometropic, or combined mechanism amblyopia (visual acuity 0.3-0.8 logMAR) * interocular visual acuity difference ≥0.3 logMAR * wearing glasses (if needed) for a minimum of 8 weeks with no change in visual acuity at 2 visits ≥4 weeks apart * child's ophthalmologist and family willing to forgo standard patching treatment during the study Exclusion Criteria: * prematurity ≥8 wk * coexisting ocular or systemic disease * developmental delay * strabismus \>5 pd * myopia \> -3.00D

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Conditions

The condition(s) this trial relates to.

amblyopia

As listed by the trial registrant

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

Amblyopia

How to take part

Only the study team decides who joins. These are the ways to reach them.

The places running it

1 site. The list below names each one and where it is.
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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3D movies may replace eye patches for lazy eye treatment

What the study statuses mean