Which contact lens is best for aging eyes? new study aims to find out

NCT ID NCT07444658

Recruiting now Symptom relief Sponsor: CooperVision International Limited (CVIL) Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two daily disposable multifocal contact lenses for people with presbyopia, an age-related condition that makes it hard to see up close. About 35 adults who already wear soft contact lenses will test each lens for one week. The goal is to see which lens provides better vision at a distance.

What this could mean

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

Active substance: contact lenses (kalfilcon A and stenfilcon A)
What this could lead to: If one lens performs better, it could offer clearer vision for people with presbyopia who need reading glasses.
What could go wrong: This is a small, early-stage comparison with only 35 participants, so results may not apply to everyone. The study measures subjective vision, not long-term outcomes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

presbyopia

As listed by the trial registrant

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

PRESBYOPIA

Contacts and locations

Locations

University of California, Berkeley
RECRUITING

Berkeley, California, 94720, United States

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