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New eye formula nails lens power in cataract study

NCT ID NCT06085131

Knowledge-focused Sponsor: Shammas Eye Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how accurate a new formula (Barrett TAL) is at picking the right lens power for cataract surgery. Over 500 people had their vision measured before and after surgery. The goal was to see if the formula helps more people get near-perfect vision without glasses after the procedure.

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

523 people

The number who actually took part.

Started

Oct 2023

Finished

Jan 2025

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

Eligible test subjects will be adults who are interested in and appropriate candidates for cataract surgery.

Ages

18 years and older

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: Subjects are eligible for the study if they meet the following criteria: * Cataract surgery that was completed without complications with biometry measured using the Argos biometer. * Subjects that elect Clareon SY60WF aspheric lens (Alcon, Fort Worth, TX). * Potential post-operative visual acuity of better than logMAR 0.30 (20/40). * BTAL was used to determine the IOL power implanted. Exclusion Criteria: If any of the following exclusion criteria are applicable to the subject or either eye, the subject should not be enrolled in the study. * Patients with pre-existing ocular pathology that in the opinion of the principial investigator would influence the postoperative refraction. * Any disease or pathology, including but not limited to irregular corneal astigmatism and keratoconus, that is expected to reduce the potential postoperative BCDVA to a level worse than 20/40. * Patients with history of previous ocular surgery. * Patients with signs of inability to understand consent for study and procedure planned. * Eyes with intraoperative or postoperative complications. * Suboptimal surgical outcomes that are not related to the treatment plan, e.g. capsular tear, cystoid macular edema. * Astigmatism \>±0.75D. Each investigator reserves the right to declare a patient ineligible or non-evaluable based on medical evidence that indicates they are unsuitable for the trial. Pregnancy has a known effect on the stability of refractions and visual acuity. As such, subjects who become pregnant during the study will not be discontinued but their data may be excluded from analyses of effectiveness.

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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

Contacts and locations

Locations

  • Colvard-Kandavel Eye Center

    Encino, California, 91316, United States

  • Juliette Eye Institute

    Albuquerque, New Mexico, 87113, United States

  • Multack Eye Care, SC

    Olympia Fields, Illinois, 60461, United States

  • Multack Eye Care, Sc

    Frankfort, Illinois, 60461, United States

  • Shammas Eye Center

    Whittier, California, 90602, United States

  • Shammas Eye Medical Center

    Lynwood, California, 90262, United States

More trials for these conditions

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