CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 72 enrolled
Drug / intervention
Precision tinted spectacle lensesdevice
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04318106
NCT04318106N/ACompleted

Reading; Through the Eyes of a University Student. A Double-masked, Randomised Control Trial to Assess the Effect of Precision Tinted Spectacle Filters on Visual Stress Symptoms Within the University Student Population

University of Ulster·interventional·Posted Mar 23, 2020·Updated Feb 19, 2026

In Brief

A clinical study evaluating Precision tinted spectacle lenses for Visual Stress and 2 related conditions. Completed, enrolled 72 participants across 1 site.

Detailed Summary

This is a double-masked randomized controlled trial which aims to assess the effects of precision tinted spectacle lenses on visual stress symptoms within an undergraduate University student population.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited Kingdom
Collaborators--

Timeline

N/ACompletedFinished
2020202120222023202420252026
First PostedMar 23, 2020
Enrollment StartJan 27, 2020
Primary CompletionJun 30, 2025
TodayJul 2, 2026
Enrollment to primary: 5.4 yearsPosted 6.3 years ago

Interventions

Precision tinted spectacle lensesdevice

Precision tinted spectacles lenses (Cerium Technologies TM)