Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 22, 2026, 7:00 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Color Correcting Lenses on Color Vision Deficiency

NCT05463016
Conditions
Color Blindness, Color Vision Defects, Color Blindness, Green, Color Blindness, Red
Interventions
Experimental Group 1: Color Correcting Lenses, Placebo Group 1: Placebo Lenses, Placebo Group 1 Crosses over to become Experimental Group 2: Color Correcting Lenses, Experimental Group 1 Crosses over to become Placebo Group 2: Placebo Lenses, Color Correcting Lenses in Subjects with Normal Color Vision
Device
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Antonio, Texas
Completed No phase listed Observational Accepts healthy volunteers

Evaluating Color Perception Under LED Red/Green and Green Dominant Light

NCT01927536
Conditions
Color Blindness, Acquired
Interventions
White LED Flashlight, Red/Green Green Dominant LED Flashlight
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 66 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Aurora, Colorado