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New eye test criteria could speed up diagnosis of vision loss cause

NCT ID NCT07623252

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether a new set of international criteria can accurately diagnose optic neuritis—a condition that causes sudden vision loss—in Chinese patients. Researchers will enroll 500 people with acute or subacute vision loss and compare the criteria's results against expert diagnoses. No new treatments are being tested; the goal is to improve diagnostic accuracy.

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 could lead to more accurate and faster diagnosis of optic neuritis, helping doctors choose the right treatment sooner.
What could go wrong
This is an observational study, not a treatment trial. The criteria may not perform as well in real-world settings, and results may not apply to other populations.

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 500 people

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

Started

Jan 2025

Expected to finish

Jan 2028

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

Individuals with a new acute or subacute episode of visual loss or optic nerve-related visual dysfunction in one or both eyes, for whom optic neuritis is included in the initial differential diagnosis at participating clinical centers. Each participant contributes only one clinical episode to the primary diagnostic accuracy cohort.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: 1. Individuals presenting with a new acute or subacute episode of visual loss or optic nerve-related visual dysfunction in one or both eyes, for whom optic neuritis is considered a reasonable differential diagnosis by the treating clinical team at the initial clinical assessment and before final diagnostic adjudication. 2. Symptom onset of the current episode within 90 days before enrollment. Exclusion Criteria: 1\. The participant has previously been enrolled in this study. Each participant may be enrolled only once. A history of optic neuritis or recurrent optic neuropathy before the current episode is not an exclusion criterion.

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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.

  1. The places running it

    9 sites. 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

  • Guangxi Jingliang Eye Hospital

    RECRUITING

    Nanning, Guangxi, 530022, China

  • Guangxi Minzu Hospital

    RECRUITING

    Nanning, Guangxi, 530001, China

  • Lixiang Eye Hospital of Soochow University

    RECRUITING

    Suzhou, Jiangsu, 215000, China

  • The First Affiliated Hospital of Guangxi Medical University

    RECRUITING

    Nanning, Guangxi, 530021, China

  • The First People's Hospital of Yulin

    RECRUITING

    Yulin, Guangxi, 537099, China

  • The Second Affiliated Hospital of Guangxi Medical University

    RECRUITING

    Nanning, Guangxi, 530005, China

  • The Second People's Hospital of Qinzhou

    RECRUITING

    Qinzhou, Guangxi, 535000, China

  • Wuming Hospital of Guangxi Medical University

    RECRUITING

    Nanning, Guangxi, 530199, China

  • Wuzhou Gongren Hospital

    RECRUITING

    Wuzhou, Guangxi, 543099, China

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