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Eye measurement showdown: which device is best for lens surgery?

NCT ID NCT05411341

Knowledge-focused Sponsor: Democritus University of Thrace 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study compared two different optical devices that measure the eye before cataract or presbyopia surgery. 133 patients had their eyes measured with both devices to see if the measurements matched. The goal was to help doctors choose the best tool for planning lens implants.

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

133 people

The number who actually took part.

Started

Jul 2023

Finished

May 2024

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

Adult patients with cataract and/or presbyopia.

Ages

18 to 85 years

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: * Patients with cataract and/or presbyopia who will undergo intraocular lens implantation. Exclusion Criteria: * Dense cataract that does not allow measurements to be taken with an optical biometrics system.

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Conditions

The condition(s) this trial relates to.

cataract lens disorder presbyopia

As listed by the trial registrant

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

Cataract Intraocular lens Ocular biometry Presbyopia

Contacts and locations

Locations

  • Department of Ophthalmology, University Hospital of Alexandroupolis

    Alexandroupoli, Evros, 68100, Greece

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Other studies related to the condition(s) this trial covers.