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Video games could replace eye patches for lazy eye

NCT ID NCT03288948

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

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether playing special binocular games on a tablet for one hour a day, five days a week, can improve vision in children aged 4 to 10 with amblyopia (lazy eye). The games show high-contrast images to the weaker eye and low-contrast images to the stronger eye, training the brain to use both eyes together. Researchers will measure changes in visual acuity, depth perception, and suppression over 12 weeks.

What this could mean

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

Active substance
binocular games on a tablet
What this could lead to
If successful, this could offer a fun, non-invasive alternative to patching for treating lazy eye in children.
What could go wrong
This is an early-stage study with only 120 participants, so results may not apply to all children. The treatment requires daily commitment, and vision improvement may be modest or temporary.

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 120 people

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

Started

Aug 2017

Expected to finish

Dec 2026

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

4 to 10 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: * age 4-10 y * male and female * strabismic, anisometropic, or combined mechanism amblyopia * amblyopic eye best-corrected visual acuity 0.3-0.8 logMAR * fellow eye best-corrected visual acuity ≤0.1 logMAR * interocular visual acuity difference ≥0.3 logMAR * wearing glasses (if needed) for 8 weeks or no change visual acuity with glasses at 2 visits * 4 weeks apart. * child's ophthalmologist and family must be willing to forgo patching treatment during the 12-week study period * parent's informed consent * child must demonstrate understanding and ability to play binocular games Exclusion Criteria: * prematurity ≥8 weeks * coexisting ocular or systemic disease * developmental delay * strabismus \>5pd * any binocular amblyopia treatment in the past 3 months

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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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Retina Foundation of the Southwest

    RECRUITING

    Dallas, Texas, 75231, United States

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