Trayner Pinhole Glasses (Trayner Glasses, Ivybridge Devon, U.K.)
Sponsors
Chung-Ang University Hosptial, Chung-Ang University College of Medicine
Conditions
Functional Vision ChangesPinhole
Unknown Phase
Comparison of Objective and Subjective Changes Induced by Multiple Pinhole Glasses and Single Pinhole Glasses
NCT02572544
Start: 2015-10-31Target: 30Updated: 2015-10-09
Functional and Physiological Changes Induced by Pinhole Glasses in Presbyopia
NCT02722291
Start: 2016-03-31End: 2017-03-31Target: 40Updated: 2016-04-01