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New lens showdown: which IOL gives sharper sight after cataracts?

NCT ID NCT07262021

Symptom relief Sponsor: Vienna Institute for Research in Ocular Surgery 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study will compare two enhanced monofocal intraocular lenses (IOLs) used in cataract surgery to see which one provides better vision at intermediate distances, like reading a computer screen. Thirty adults with age-related cataracts will receive one of the two lenses, and their vision will be tested before and after surgery. The goal is to find out if one lens offers clearer sight without glasses for everyday tasks.

What this could mean

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

Active substance
enhanced monofocal intraocular lens (IOL)
What this could lead to
If successful, this could help cataract patients see better at intermediate distances (like arm's length) without needing glasses.
What could go wrong
This is a small, early-stage study with only 30 people, so results may not apply to everyone. It compares two similar lenses, so major breakthroughs are unlikely.

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

About 30 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

Nov 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.

Ages

21 to 105 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: * age-related bilateral cataract * Age 21 or older * Visual acuity \> 0.05 * Axial length: 21.00-27.00mm * Astigmatism \< 1.0 dpt * Normal findings in the medical history and physical examination * Written informed consent prior to surgery Exclusion Criteria: * Reduced contrast vision, binocularity or stereoscopic vision (e.g. amblyopia, strabismus) * Active ocular disease (e.g chronic uveitis, diabetic retinopathy, chronic glaucoma not responsive to medication, corneal dystrophies, etc.) precluding good post- operative visual acuity * Relevant other ophthalmic diseases such as pseudoexfoliation syndrome * Irregular astigmatism on corneal tomography * Pronounced dry eye disease * Nystagmus or pathologies that might affect patient's fixation * Previous ocular surgery or trauma * Persons who are pregnant or nursing

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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

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Vienna Institute for Research in Ocular Surgery

    Vienna, 1140, Austria

    Contact Email: •••••@•••••

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