🏛️ Verified NIH Record • Updated 2026-08-07
Evaluation of Orthokeratology Lenses With a 5MM Optic Zone Diameter (NCT07751172)
🟡 Not Yet Recruiting Observational / Diagnostic ⚙️ Medical Device Protocol Sponsor: CooperVision International Limited (CVIL)
🩺 Plain-English Summary (8th-Grade Level)
To evaluate the clinical performance and user-reported experience of Paragon CRT contact lenses with a 5mm Optic Zone Diameter (OZD)
Who can join: Review the eligibility criteria below.
Location: Treehouse Eyes Pleasanton Center — Pleasanton, California
Age range: 7 Years to 35 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (3 Sites)
- Treehouse Eyes Pleasanton Center — Pleasanton, California
- Bellaire Family Eye Care — Bellaire, Texas
- Complutense University of Madrid Av. — Madrid, Moncloa - Aravaca,
📞 Contact the Study Coordinator
Phone: (925) 660-4364
Email: KVoltz@coopervision.com
Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
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💡 How to Participate
- Check the checklist above to see if you may qualify.
- Contact the study coordinator using the phone/email above.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.