Clinical trial Recruiting at 1 site Interventional Ages 50 to 100

Comparison of different intraocular lenses for cataract surgery

Official title: Comparison of Visual Outcomes of Enhanced Monofocal Intraocular Lenses

Run by Medical University of Vienna · NCT05822089 · Data updated 2026-11-12

This study is testing how well different types of lenses used in cataract surgery can improve vision for people getting their cataracts removed.

Quick facts

Study typeInterventional
Ages50 Years to 100 Years
SexAll
Enrollment461 (estimated)
SponsorMedical University of Vienna
Academic / other
Locations1 site (Vienna)
StatusRecruiting
StartedDecember 13, 2021
Main results expectedDecember 31, 2026
Study endsDecember 31, 2026
Registry record updatedDecember 5, 2025
Trial IDNCT05822089 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals aged 50 to 100 with bilateral age-related cataracts and a visual potential of 20/25 or better.

Probably not a fit

Patients with a history of intraocular surgery, significant ocular diseases, or those with uncontrolled systemic conditions may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study involves the implantation of approved intraocular lenses (IOLs) in patients undergoing cataract surgery due to age-related cataracts. Participants will receive bilateral randomized IOLs after phacoemulsification, and their postoperative outcomes will be monitored according to an approved investigational plan. The goal is to evaluate the effectiveness of different IOLs in improving visual outcomes for patients. Informed consent will be obtained from all participants prior to the procedure.

Why it matters

Potential benefit: If successful, this study could lead to improved visual outcomes for patients undergoing cataract surgery.

How similar studies have gone: Other studies have shown success with similar approaches in evaluating different IOLs, indicating that this methodology is not entirely novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Bilateral age-related cataract planned for phacoemulsification extraction and posterior IOL implantation
* Age 50 to 100
* Visual potential in both eyes of 20/25 or better as determined by investigators estimation
* Normal findings in medical history and physical examination unless the investigator considers an abnormality to be clinically irrelevant
* Irregular Astigmatism (Acrysof IQ Vivity IOL, IC-8 Apthera IOL)
* postoperativ binocular best corrected distance visual acuity (BCVA) ≥ 1.0 decimal (Arm ten (X))
* Standard cataract surgery with bilateral implantation of a monofocal IOL (Vivinex XC1 or Vivinex XY1) (Arm ten (X))

Exclusion Criteria:

* Preceding intraocular surgery or ocular trauma
* Relevant other ophthalmic diseases that particularly effects the zonular apparatus (such as severe pseudoexfoliation syndrome, preceding cryocoagulation, trauma)
* Pupil diameter \< 2.0 mm (photopic)
* Laser treatment
* Uncontrolled systemic or ocular disease
* Pregnancy/Nursing
* childbearing ability

Where it's running

  • Medical University of Vienna
    Vienna, Austria
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.