40,000 people to test if local vision centers can fix rural eye care crisis
NCT ID NCT07227714
First seen Jun 27, 2026 · Last updated Jul 01, 2026 · Updated 2 times
Summary
This study will see if setting up vision centers in rural South Asian communities helps more people get the eye care they need. Researchers will compare communities that get a vision center right away with those that wait. They will check if more people get glasses and if their eyesight improves over two years.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- vision center (a fixed facility with a trained vision technician providing basic eye care services)
- What this could lead to
- If successful, this could show that setting up vision centers in rural areas is an effective way to improve eye care access and vision for many people.
- What could go wrong
- This is a cluster-randomized trial, not a test of a new drug or device. The results will show if the approach works in these specific communities, but may not apply everywhere. There is no direct treatment benefit for participants.
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
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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
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About 150,000 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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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
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * The catchment area of the proposed VC site is predominantly rural. * The proposed VC site is located within 20-100 km of the base hospital. * There are no major primary eye care services within 10 km of the proposed site. * Care at sites randomized to establish VCs immediately is accessible to anyone. Exclusion Criteria: * Sites located in non-rural or urban catchment areas. * Sites outside the 20-100 km distance range from the base hospital. * Sites with existing major primary eye care services within a 10 km radius.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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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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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
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University of California, San Francisco
San Francisco, California, 94158, United States
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