Evaluation of comfilcon A contact lenses for vision correction

North American Comfilcon A Clinical Study

CooperVision International Limited (CVIL) · NCT06902584

This study is testing different types of comfilcon A contact lenses to see how safe and effective they are for people aged 8 to 75 after wearing them for two hours.

Quick facts

Study typeObservational
Enrollment182 (estimated)
Ages8 Years to 75 Years
SexAll
SponsorCooperVision International Limited (CVIL) (industry)
Locations4 sites (Berkeley, California and 3 other locations)
Trial IDNCT06902584 on ClinicalTrials.gov

What this trial studies

This observational study aims to assess the safety and effectiveness of various comfilcon A contact lenses, including Sphere, Toric, Multifocal, Toric Multifocal, and Energys lenses, in the general population after two hours of wear. Participants aged 8 to 75 years who have been wearing these lenses for at least 12 months will be included. The study will monitor the performance of these lenses to ensure they meet acceptable safety standards. The research is sponsored by CooperVision International Limited in collaboration with the Centre for Ocular Research & Education.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals aged 8 to 75 who have been wearing comfilcon A contact lenses for at least a year.

Not a fit: Patients currently participating in other contact lens clinical trials may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide patients with improved options for vision correction through enhanced contact lens technology.

How similar studies have performed: Previous studies on contact lens safety and effectiveness have shown promising results, indicating that this approach is supported by existing research.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age 8 to 75 years (inclusive).
2. Current wearer of the Comfilcon A sphere, toric, multifocal, toric multifocal or Energys contact lens for at least 12 months.
3. At least occasional overnight wear in the last 12 months.

Exclusion Criteria:

1\. Current participation in a contact lens or contact lens care product clinical trial.

Where this trial is running

Berkeley, California and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Astigmatism, Presbyopia, Ametropia

Last reviewed 2026-05-15 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.