Glassy Trial for Effects of Wearing Glasses

NACompletedINTERVENTIONAL
Enrollment

960

Participants

Timeline

Start Date

December 1, 2022

Primary Completion Date

January 31, 2023

Study Completion Date

March 31, 2023

Conditions
COVID-19
Interventions
OTHER

Overall uncertainty language

Researchers are testing different forms of information about overall study uncertainty and margin of error around main result

Trial Locations (1)

Unknown

Norwegian Institute of Public Health, Oslo

All Listed Sponsors
collaborator

Norwegian Institute of Public Health

OTHER_GOV

lead

Trustees of Dartmouth College

OTHER