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Which eye scanner is best for cataract surgery? new study puts two devices to the test

NCT ID NCT06377007

Knowledge-focused Sponsor: Walailak 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compared two devices that measure the eye before cataract surgery to help pick the right lens implant. 144 Thai adults had both measurements taken on the same day. The goal was to see which device more accurately predicted the patient's vision one month after surgery.

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 could help surgeons choose the most accurate device for measuring eyes before cataract surgery, leading to better vision outcomes.
What could go wrong
This is a small, single-center study comparing two devices already in use. Results may not apply to other populations or lens types.

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

144 people

The number who actually took part.

Started

May 2024

Finished

Jan 2025

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.

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: • Adults aged 40-90 years presenting with visually significant age-related cataract scheduled for elective phacoemulsification with implantation of a TECNIS Monofocal one-piece IOL (model GCB00V). Exclusion Criteria: * Corneal astigmatism greater than 1.00 D on either device * Central corneal thickness outside 490-600 µm * Severe dry eye precluding reliable keratometry * Rigid or soft contact lens wear within 2 months prior to evaluation * Previous corneal refractive surgery or other corneal pathology * Prior intraocular surgery (other than uneventful cataract surgery in the fellow eye) * Clinically significant retinal pathology potentially affecting refractive outcome (e.g., epiretinal membrane, diabetic macular edema, advanced age-related macular degeneration) * Intraoperative complications including posterior capsule rupture, vitreous loss, or zonular dehiscence * Dense cataract that does not allow measurements with optical biometry * Inability to attend follow-up

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Conditions

The condition(s) this trial relates to.

cataract senile cataract

As listed by the trial registrant

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

Cataract

Contacts and locations

Locations

  • Walailak University

    Nakhon Si Thammarat, Changwat Nakhon Si Thammarat, 80160, Thailand

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