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Eye scans probe how cataract surgery shifts the vitreous gel

NCT ID NCT07816887

Knowledge-focused Sponsor: University of Trieste Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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
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Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 14, 2026 · Last updated Sep 15, 2026 · Updated 1 time

Summary

Researchers at the University of Trieste are studying how the vitreous gel inside the eye changes after cataract surgery. They will take detailed OCT scans of 15 adults before and after the procedure, focusing on the back of the vitreous and where it meets the retina. By comparing the images, the team aims to describe any shifts in the gel's structure or its attachment to the retina, including signs of posterior vitreous detachment.

What this could mean

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

Active substance
standard cataract surgery
What this could lead to
If the scans reveal a clear pattern, doctors could better predict which patients develop posterior vitreous detachment after cataract surgery and watch those eyes more closely.
What could go wrong
The study is small, with 15 participants, and only observes what happens rather than testing a treatment. Any link between surgery and vitreous changes may be coincidental or may not apply to other patients.

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 15 people

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

Started

Jul 2026

Expected to finish

Oct 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

Patients scheduled for cataract surgery without posterior vitreous detachment

Ages

50 years and older

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: * Presence of cataract scheduled for surgery * Adequate image acquisition quality * Absence of posterior vitreous detachment (PVD) * Availability of both preoperative and postoperative OCT imaging Exclusion Criteria: * Advanced cataract significantly compromising image quality * Presence of posterior vitreous detachment (PVD) * History of vitreous hemorrhage * Previous vitreoretinal surgery * Previous intravitreal injections (IVT) * Retinal diseases affecting vitreoretinal interface assessment * Pathologic high myopia * History of ocular trauma or uveitis

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Conditions

The condition(s) this trial relates to.

cataract vitreous detachment

As listed by the trial registrant

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

Cataract (post-operative cataract surgery follow-up) Vitreous detachment

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

  • Centre Hospitalier Intercommunal de Créteil

    RECRUITING

    Créteil, Paris, 94000, France

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