Clinical trial
Vouchers to Increase Uptake of Already Free Eye Care
NCT04426331
Study timeline
Study start (actual)2017-05-05Date precision: day
Registry last updated2020-06-16
Observed by CureCurrent2026-10-07
Recorded dates are source observations, not predictions. Missing milestones are not estimated.
Conditions
Glaucomaunresolved
Eye Diseasesunresolved
Interventions
Voucher Without Value InformationBEHAVIORAL
Voucher With Value InformationBEHAVIORAL
Sponsors & collaborators
Johns Hopkins Universitylead sponsor
Centers for Disease Control and Preventioncollaborator
Mapped research locations
Registry source
Open the source record to verify current eligibility, contacts, locations and registry updates.
Open NCT04426331 on ClinicalTrials.gov ↗Registry-derived research relationships: ClinicalTrials.gov. Raw condition and intervention labels remain distinct from canonical MONDO/RxNorm entities unless separately normalized.