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Clinical trialNCT05642754CompletedInterventional

Glassy Trial for Effects of Wearing Glasses

SponsorTrustees of Dartmouth CollegeEnrollment960COVID-19
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

Randomized trial testing 6 forms of a communication summarizing the results of a recent study (about the effects of wearing glasses on reducing covid infection risk). The goal of the trial is to test the effect of different language options to describe uncertainty, and of including the margin of error around the main result.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Norway
  • Norwegian Institute of Public Health

    Oslo, Norway

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
1 Dec 2022
Primary completion
31 Jan 2023
Completion
31 Mar 2023
Last update posted
22 May 2024
Registered enrollment
960
Registry id
NCT05642754
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 11 Nov 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.