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A simple fix for myopia could change education for millions

NCT ID NCT04077086

Prevention Sponsor: Queen's University, Belfast Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 01, 2026 · Last updated Sep 09, 2026 · Updated 3 times

Summary

This trial tests whether giving free glasses to short-sighted middle school children in rural China helps more of them continue to academic high school. Researchers will randomly assign 111 schools to either provide glasses with teacher support or just give prescriptions. The main goal is to see if the glasses increase the proportion of children who attend academic high school, which could lead to national programs.

What this could mean

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

Active substance
Spectacles (glasses)
What this could lead to
If providing free glasses increases high school attendance, it could encourage national programs to give glasses to children who need them, improving educational outcomes.
What could go wrong
The trial is large but still a single study in one region. Results may not apply elsewhere, and children might not wear the glasses consistently, limiting the effect.

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 10,000 people

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

Started

Nov 2024

Expected to finish

Aug 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

Up to 18 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: * Year 1 classes (likely age 12-15 years) at the recruited schools * Those who will be in the second year of middle school when the intervention begins the next year * Have uncorrected (without glasses/presenting) visual acuity of ≤6/12 in both eyes * Refractive error meets cut-offs shown to be associated with significantly greater improvement in visual acuity when corrected (myopia ≤-0.75 diopters (D, or astigmatism (non-spherical refractive error) ≥1.00 D) * Visual acuity can be improved to \>= 6/7.5 in at least one eye with glasses. Exclusion Criteria: * Hyperopia ≥ 2.00 D * Presence of visually-significant ocular condition besides refractive error

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Conditions

The condition(s) this trial relates to.

astigmatism myopia refractive error

As listed by the trial registrant

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

Refractive errors

Contacts and locations

Locations

  • Centre for Public Health

    Belfast, Northern Ireland, BT12 6BJ, United Kingdom

  • He Eye Specialist Hospital

    Shenyang, Liaoning, 110163, China

  • Ningxia University

    Yinchuan, Xixia, 750021, China

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