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New imaging tech could sharpen vision after cataract surgery

NCT ID NCT07436247

Knowledge-focused Sponsor: Prim. Prof. Dr. Oliver Findl, MBA 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study involves 80 adults who have had cataract surgery and received special lens implants that correct presbyopia (age-related blurry near vision). Researchers will use a 3-D eye scanner and a wavefront sensor to measure how well these lenses focus light onto the retina. The goal is to understand which lens designs provide the best image quality, helping surgeons make better choices in the future.

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 doctors choose better lens implants for cataract patients, improving their vision quality after surgery.
What could go wrong
This is an observational study, not a treatment trial. It only measures outcomes and does not test a new therapy, so it won't directly change patient care.

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 80 people

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

Started

Apr 2024

Expected to finish

Jul 2026

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.

Who is studied

80 cataract patients (160 eyes)

Ages

21 to 110 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: 1. Men and women aged above 21 years with prior uncomplicated cataract/IOL exchange surgery 2. Willing to sign informed consent before measurements 3. Corrected distance visual acuity (CDVA) of 0.1 logMAR or better 4. Absence of corneal scars/dry eye disease that could falsify the light transmission of the study eye 5. Total absence of posterior capsule opacification or patients who already have undergone Nd:YAG capsulotomy 6. Absence of ocular comorbidity (Macular degeneration, glaucoma, amblyopia) Exclusion Criteria: 1. Prior corneal refractive or ocular surgery 2. Posterior capsule opacification. 3. Keratometry between \<42.5 and \>45 D, 4. Corneal spherical aberration \> 0.4 microns 5) Angle kappa \> 0.4 mm 6\) Zonular weakness 7) Pseudoexfoliation syndrome 8) Eccentric fixation or insufficient ability to fixate (tremor, nystagmus) 9) Pregnancy

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Conditions

The condition(s) this trial relates to.

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

    2 sites. 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 (VIROS), Hanusch Hospital Vienna

    RECRUITING

    Vienna, 1140, Austria

  • Vienna Institute for Research in Ocular Surgery (VIROS), Hanusch Hospital Vienna

    RECRUITING

    Vienna, 1140, Austria

    Contact Email: •••••@•••••

    Contact Email: •••••@•••••

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