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WeChat messages aim to curb rising myopia in chinese schoolchildren

NCT ID NCT07211893

Prevention Sponsor: Zhongshan Ophthalmic Center, Sun Yat-sen University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether sending regular health education messages about eye care to parents via WeChat can improve how children use their eyes and slow or prevent nearsightedness. About 1,330 third-grade students in China will take part, with their guardians receiving the messages for one year. The goal is to see if simple reminders can boost outdoor time, reduce screen and near work, and encourage better eye habits.

What this could mean

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

Active substance
health education messages via WeChat
What this could lead to
If it works, this could provide a simple, scalable way to reduce myopia risk in children through better eye habits.
What could go wrong
This is a behavioral intervention, not a drug or device, so results depend on families following advice. The trial hasn't started yet, and improvements may be small or hard to sustain.

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 1,330 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

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

8 to 12 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * primary school students in the third grade; * the guardians of students can receive, read, and understand multimedia (image-text) messages via WeChat on their mobile phones; * voluntary participation in this study, with guardians' consent and a signed informed consent form. Exclusion Criteria: * with other ocular diseases that severely affect vision * with systematic diseases or mental disorders, inability to understand or cooperate with the study

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Conditions

The condition(s) this trial relates to.

myopia

As listed by the trial registrant

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

Myopia

How to take part

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

  1. 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 ↗

  2. 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.

More trials for these conditions

Other studies related to the condition(s) this trial covers.