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LASIK may skew eye scans: new study investigates

NCT ID NCT05856786

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

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 27, 2026 · Updated 2 times

Summary

This pilot study looks at whether refractive surgeries like LASIK change the results of optical coherence tomography (OCT), a common eye scan used to monitor conditions like glaucoma. Researchers will measure the thickness of the retina and other eye layers before and after surgery in 33 patients. The goal is to help doctors accurately interpret OCT scans after such procedures.

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 study could help doctors better interpret OCT scans after refractive surgery, improving monitoring of eye diseases.
What could go wrong
This is a small pilot study with only 33 participants, so results may not apply to everyone. It is designed to gather knowledge, not to test a treatment.

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 33 people

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

Started

Jun 2024

Expected to finish

Dec 2027

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

All subjects in the study will be adults aged 19 years or more, that fits the typical age profile of patients in the refractive surgery clinic. Refractive surgery is an elective surgery and the patients are encouraged to ask questions about the study. This is an observational study and all aspects of care, including procedures, visits, and exams, carried out as part of the study represent standard of care. Patients visiting the refractive surgery clinic will be given an option to participate in the study if they meet the selection criteria. The clinical care of the patient will not be affected by the patient's participation or non-participation in the study.

Ages

19 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: 1. Patients undergoing refractive surgery 2. For patients undergoing bilateral eye surgery, the one with higher degree of ametropia will be included. Exclusion Criteria: 1. Astigmatism more than 3 Diopters 2. Visual acuity worse than 20/25 3. Patients with unstable visual fixation 4. Severe Dry Eye

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Conditions

The condition(s) this trial relates to.

myopia refractive error

As listed by the trial registrant

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

Myopia Optical coherence tomography Refractive errors

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

  • Unversity of Nebraska Medical Center

    RECRUITING

    Omaha, Nebraska, 68105, United States

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