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Fuchs dystrophy and cataract surgery: does the cornea behave differently?

NCT ID NCT07731945

Knowledge-focused Sponsor: Vienna Hospital Association 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 28, 2026 · Last updated Aug 11, 2026 · Updated 3 times

Summary

This observational study compares corneal thickness six weeks after routine cataract surgery in people with Fuchs endothelial corneal dystrophy (FECD) versus those without the condition. Researchers aim to see whether FECD eyes swell more or recover differently after surgery. Participants undergo standard cataract surgery and routine eye exams, with no extra treatments or procedures.

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 98 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

Aug 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

This study will include approximately 98 eyes scheduled for routine phacoemulsification cataract surgery at the Augenabteilung, Klinik Hietzing, Wiener Gesundheitsverbund (Vienna, Austria). The indication to perform cataract surgery will have been made prior to and independently of study participation. Participants will be enrolled from the routine cataract surgery population and allocated to one of two cohorts based on the presence or absence of Fuchs endothelial corneal dystrophy (FECD) as determined during standard preoperative assessment.

Ages

50 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. Signed written informed consent for participation and for use of routine clinical data in pseudonymised form. 2. Age ≥50 years at the time of cataract surgery. 3. Scheduled cataract surgery (unilateral/bilateral cataract). 4. No evidence of other ophthalmic diseases (e.g. macular pathology) Cohort-specific inclusion: 5. FECD cohort: Clinical diagnosis of FECD based on slit-lamp findings, graded accord-ing to Krachmer et al. (1978) as documented in routine care. 6. Control cohort: No clinical evidence of corneal endothelial disease at baseline (no signs consistent with FECD or other endothelial pathology) as documented in routine care. Exclusion Criteria: 1. Corneal scars 2. Pseudoexfoliation (PEX) syndrome 3. Glaucoma 4. Uveitis 5. Diabetic retinopathy 6. Other relevant ophthalmic disorders (e.g. retinal degeneration, macular or corneal pa-thologies) 7. Previous intraocular surgery (including laser procedures) 8. Ocular trauma (within the past 6 months) 9. Pregnancy (if applicable, pregnancy must be excluded by a β-hCG test) 10. CCT \> 625μm

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Conditions

The condition(s) this trial relates to.

cataract Fuchs' endothelial dystrophy

As listed by the trial registrant

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

Cataract (post-operative cataract surgery follow-up) Fuchs endothelial corneal dystrophy

How to take part

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

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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.