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Tiny corneal lens holds up after 4 years for near vision

NCT ID NCT07623720

Symptom relief Sponsor: Gemini Eye Clinic 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 checked the safety and effectiveness of the CorVision microlens, a tiny implant placed in the cornea to help with presbyopia (age-related difficulty seeing up close). About 95 people who had the implant in an earlier study came back for a single 4-year follow-up visit. The goal was to see if most still had good near vision without glasses and if serious problems like lens removal were rare.

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

95 people

The number who actually took part.

Started

Jun 2025

Finished

Nov 2025

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

The target population are patients who suffered from presbyopia and underwent the original CorVision clinical study are medically suitable to undertake the current clinical study investigation.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Subjects must have undergone implantation of CorVision microlens under study protocol CMG-PRT-002. * Provide informed consent * Willing to participate in the ophthalmological examinations Exclusion Criteria: * Patients with severe ocular or general disorders that would prevent them from completed the visit. * Patients not being able to understand and give informed consent.

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Conditions

The condition(s) this trial relates to.

presbyopia

As listed by the trial registrant

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

Presbyopia

Contacts and locations

Locations

  • Gemini Eye Clinic

    Zlín, 760 01, Czechia

More trials for these conditions

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