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Large survey aims to uncover hidden vision and hearing loss in older adults

NCT ID NCT07694505

Knowledge-focused 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 10, 2026 · Last updated Jul 10, 2026

Summary

This study surveys about 2,800 adults aged 65 and older in Xinxing County, China, to measure how many have untreated vision or hearing problems. Participants receive eye exams, hearing tests, and questionnaires. The goal is to provide local health services with data to improve care for common issues like cataracts, refractive errors, and hearing loss.

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 successful, this survey could help local health services better address vision and hearing problems in older adults.
What could go wrong
This is an observational survey, not a treatment trial. It measures current conditions but does not test any intervention.

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.

Participants

About 2,854 people

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

Expected to start

Jul 2026

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.

Who is studied

Community-dwelling residents aged 65 years and older in Xincheng Town, Xinxing County, Yunfu, Guangdong Province, China, covered by the national basic public health service system.

Ages

65 years and older

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: 1. Aged 65 years or older. 2. Voluntarily participates in the study and provides signed informed consent. Exclusion Criteria: 1. Unable to cooperate with study-related examinations, including because of disability, communication barriers, or other reasons. 2. Has severe systemic disease that may affect study examinations or make participation potentially hazardous to health. 3. Considered by the investigator to be unsuitable for participation in the study.

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Conditions

The condition(s) this trial relates to.

cataract hearing loss disorder refractive error vision disorder

As listed by the trial registrant

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

Cataract Dual sensory impairment Hearing loss Refractive error Visual impairment

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

  • Xinxing County

    Yunfu, Guangdong, China

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