Clinical Trial

Control of Myopia Using Novel Spectacle Lens Designs

Study acronym: CYPRESS
Active, Not Recruiting
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Summary
Randomized, controlled, multisite, subject-and observer-masked, 3-arm parallel group clinical trial of 36-month duration to evaluate the safety and efficacy of a novel spectacle lens design in reducing the progression of juvenile myopia.
Protocol Amendment History 21 amendments
This ClinicalTrials.gov record has been amended 21 times since 2018-08-07; most recent amendment 2026-04-29.
Status change: Recruiting → Active, Not Recruiting 2019-05-01
Trial Details
NCT Number NCT03623074
Lead Sponsor SightGlass Vision, Inc.
Conditions Juvenile Myopia
Enrollment 266 participants
Start Date 2018-07-16
Primary Completion 2022-05-15 (estimated)
Study Completion 2026-12-31 (estimated)
Updated on ClinicalTrials.gov 2026-05-05