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Which lens implant method stays put better? a Head-to-Head test

NCT ID NCT07768722

Disease control Sponsor: Ain Shams University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 17, 2026 · Last updated Aug 18, 2026 · Updated 1 time

Summary

This study looks at whether the way a toric intraocular lens is implanted during cataract surgery affects how well it stays in place. Toric lenses correct astigmatism, but if they rotate after surgery, vision can blur. The trial compares two techniques: one using a gel-like substance (OVD) and one using a saltwater solution (BSS). Adults with cataracts and regular astigmatism will have both eyes operated on, each receiving a different technique, and the lens rotation and vision outcomes will be measured over one month.

What this could mean

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

Active substance
TECNIS Eyhance Toric II intraocular lens implanted with either OVD-assisted or BSS-assisted technique
What this could lead to
If one technique proves more stable, it could reduce lens rotation after cataract surgery, leading to better vision outcomes and fewer follow-up procedures.
What could go wrong
This is a small, early-stage study (80 patients) and results may not apply to all patients or lens types. There is also a risk of complications like infection or lens misalignment, though these are 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.

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

80 people

The number who actually took part.

Started

Apr 2026

Expected to finish

Aug 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.

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: * Adults with senile cataract requiring bilateral cataract surgery. * Regular corneal astigmatism of ≥1.00 diopter. * Axial length between 22.0 mm and 25.0 mm. * Eligible for implantation with the TECNIS Eyhance™ Toric II intraocular lens. * Able and willing to provide written informed consent. Exclusion Criteria: * Inconsistent corneal astigmatism measurements (difference \>0.20 D in magnitude or \>5° in axis among the four diagnostic devices). * Visually significant dry eye disease with positive corneal fluorescein staining. Irregular corneal astigmatism or corneal opacity. * Ocular comorbidities that could affect toric IOL stability or visual outcomes (e.g., pseudoexfoliation syndrome, advanced glaucoma, or macular pathology). * Intraoperative complications or generalized zonular weakness requiring implantation of a capsular tension ring. * Significant postoperative day 1 corneal edema precluding reliable rotational measurements. * Inability to comply with the follow-up schedule.

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Conditions

The condition(s) this trial relates to.

astigmatism cataract regular astigmatism

As listed by the trial registrant

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

Cataract with pre-existing regular corneal astigmatism

Contacts and locations

Locations

  • Ainshams University

    Cairo, Dr., 11765, Egypt

More trials for these conditions

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