Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 10:47 PM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Myopia, Astigmatism
Interventions
Visibly Vision Test
Device
Lead sponsor
Visibly
Industry
Eligibility
22 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Harlingen, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Study to Evaluate Effectiveness of Digital Refraction

NCT03502863
Conditions
Myopia, Astigmatism
Interventions
Digital refraction, Manual Refraction
Device · Other
Lead sponsor
Visibly
Industry
Eligibility
22 Years to 55 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
3
States / cities
Fort Lauderdale, Florida • Nashville, Tennessee • Harlingen, Texas
Conditions
Digital Acuity Product
Interventions
Visibly Digital Acuity Product
Device
Lead sponsor
Visibly
Industry
Eligibility
22 Years to 40 Years
Enrollment
358 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
3
States / cities
Andover, Massachusetts • Shelby, North Carolina • Memphis, Tennessee