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Can a new eye scanner match the gold standard for cataract surgery?

NCT ID NCT07782619

Knowledge-focused Sponsor: Alcon Research 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 24, 2026 · Last updated Sep 03, 2026 · Updated 3 times

Summary

This study compares measurements from two biometers—devices that use light to measure the eye's internal structures—to see if they agree. The measurements are important for calculating the correct lens power before cataract surgery. The study includes people with healthy eyes, keratoconus, contact lens use, dry eye, or prior refractive surgery. If the newer device matches the established one, it could offer a reliable alternative for eye care professionals.

What this could mean

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

Active substance
UNITY DX and ANTERION are non-contact, non-invasive ophthalmic imaging devices that measure eye structures.
What this could lead to
If the two devices agree closely, it could support using the newer UNITY DX as a reliable alternative for measuring eyes before cataract surgery.
What could go wrong
This is a small pilot study, so results may not be conclusive. The devices might not agree in all eye conditions, and more research would be needed.

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 50 people

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

Started

Aug 2026

Expected to finish

Jan 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Who is studied

Cohorts will be selected from approximately one investigative site located in the United States.

Ages

21 years and older

Sex

Anyone

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: * Have healthy, clear corneas for the normal cohort; * Have documented keratoconus for the keratoconus cohort; * Have reported use of daily contact lens use for the contact lens cohort; * Have documented dry eye, consisting of signs and symptoms for the dry eye cohort; * Has had previous keratorefractive surgery for the post-refractive surgery cohort; * Able to comprehend and sign the informed consent form. Exclusion Criteria: * Active ocular infection or inflammation; * Unable to fixate due to nystagmus or other eye movement abnormality (e.g., significant strabismus); * Any ocular disease and/or condition that, in the investigator's clinical judgment, may put the subject at significant risk, may compromise study result or may interfere significantly with the subject's participation in the study.

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Conditions

The condition(s) this trial relates to.

dry eye syndrome keratoconus

As listed by the trial registrant

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

Anterior segment of eye Axial length Biometrics measurement

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

  • The Eye Institute of Utah

    RECRUITING

    Salt Lake City, Utah, 84107, United States

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