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Tailored eye incisions may cut glasses dependence after cataract surgery

NCT ID NCT07623317

Symptom relief Sponsor: Linkoeping 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether placing surgical cuts in specific parts of the cornea during cataract surgery can reduce astigmatism (blurry vision from an irregularly shaped cornea) and lower the need for glasses afterward. About 100 people with cataracts and astigmatism will be randomly assigned to receive either customized or standard incisions. Researchers will measure vision and glasses dependence at 3 and 12 weeks after surgery.

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

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

About 100 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Sep 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.

Ages

40 to 90 years

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: * Visually disturbing cataract * Corneal and refractive astigmatismus more than 1 dioptre * Able and willing to undergo study procedures and measurements 3 weeks and 12 weeks after cataract surgery. Exclusion Criteria: * Declining to participate * concomitant disease that prevents detailed objective and subjective investigations (e.g. dementia, serious ocular comorbidity limiting expected postoperative visual acuity to below 20/40) * condition damaging structural integrity of cornea (surgical complications, infection, trauma, previous corneal disease)

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Conditions

The condition(s) this trial relates to.

astigmatism cataract refractive error

As listed by the trial registrant

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

Cataract (post-operative cataract surgery follow-up) Refraction error

How to take part

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

  1. 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 ↗

  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.