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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Blue-blocking glasses Clear all
Not yet recruiting Not applicable Interventional

Circadian Light Exposure Adjustment for Restfulness

NCT07391852
View directory record Official record
Conditions
Sleep Onset Latency
Interventions
Amber Tinted Glasses, Clear Glasses, Smart Lightbulbs
Device
Lead sponsor
University of Arizona
Other
Eligibility
60 Months to 83 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 4, 2026, 9:49 AM EDT
Recruiting Not applicable Interventional

Sleep and Circadian Interventions for College Students at High Risk of Suicide

NCT07346014
View directory record Official record
Conditions
Sleep Disturbance, Sleep, Depression, Suicide
Interventions
Sleep Feedback + Psychoeducation, Transdiagnostic Sleep and Circadian Intervention + Bright Light (TSC+), Triple Chronotherapy (TCT+)
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Seeing the World Through Assorted Glasses

NCT02483559
View directory record Official record
Conditions
Sleep
Interventions
Amber Lenses, Placebo Lenses
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Results available

Lighting Intervention for Cancer-related Fatigue

NCT04827446
View directory record Official record
Conditions
Breast Cancer, Prostate Cancer, Hematologic Malignancy, Survivorship, Fatigue
Interventions
Wearable Sensor, Blue-blocking glasses, Clear glasses, Full SYNC app, "Dummy" SYNC app
Other
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Light Sleep: Screen Use and Sleep Health

NCT05342662
View directory record Official record
Conditions
Glasses
Interventions
Blue light-blocking glasses, Glasses with clear lenses
Device
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 29 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 12, 2023 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Experimental Manipulation of Sleep and Circadian Rhythms and the Role Played on Reward Function in Teens

NCT04792697
View directory record Official record
Conditions
Delayed Sleep Phase Syndrome
Interventions
Increase morning bright light, Decrease evening blue light, Sleep Scheduling, Monitor sleep, mood, and substance use
Other · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
13 Years to 15 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 4, 2026, 9:49 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Objectively Diagnose and Monitor Treatment of Light Sensitivity

NCT03694626
View directory record Official record
Conditions
Photophobia, Traumatic Brain Injury, Migraine
Interventions
Pupillography, Ocular Coherence Tomography (OCT), Wrist-watch sensor device, Videography, Electrophysiology
Device
Lead sponsor
Randy Kardon
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional

Using Early Time Restricted Feeding and Timed Light Therapy to Improve Glycemic Control in Adults With Type 2 Diabetes

NCT04155619
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Time Restricted Feeding, Light; Therapy, Complications
Interventions
No change in meal timing, No change in light exposure, Early Time-Restricted Feeding, Timed Light Therapy
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
30 Years to 80 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 4, 2026, 9:49 AM EDT
Recruiting Not applicable Interventional

Transdiagnostic Sleep and Circadian Intervention + Bright Light in Adolescents With Elevated Depression (TranS-C+BL)

NCT06963463
View directory record Official record
Conditions
Sleep Disturbance, Sleep, Depression, Suicide
Interventions
TranS-C, Sleep Feedback
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years to 18 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Feasibility of Light Therapy for Fatigue N-of-1 Trials

NCT04707846
View directory record Official record
Conditions
Fatigue
Interventions
Bright Blue Light Commercial AYO Light Therapy Device, Dim Blue Light Commercial AYO Light Therapy Device
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 59 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Night Shift Nurses' Health and Reducing Burnout

NCT06829979
View directory record Official record
Conditions
Healthy
Interventions
Access to napping/relaxation room, Blue and green light blocking glasses
Behavioral · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 99 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Results available

Blue Wavelength Light-blocking Glasses in ADHD-Insomnia

NCT01557595
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Delayed Sleep Phase Type Circadian Rhythm Sleep Disorder
Interventions
Polarized glasses designed to filter out blue light
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nurse Suicide: Physiologic Sleep Health Promotion Trial

NCT06079853
View directory record Official record
Conditions
Suicide, Nurse's Role, Work Environment Adverse Effects, Sleep, Stress, Mental Health Wellness 1
Interventions
PureSomni Sleep Health Product Kit
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
21 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cortlandt Manor, New York
Source: ClinicalTrials.gov public record
Updated Nov 24, 2024 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Delayed Sleep Timing in Teens Study

NCT03806296
View directory record Official record
Conditions
Delayed Sleep Phase
Interventions
Increase morning bright light, Decrease evening blue light, Sleep scheduling, Monitor sleep, mood, and substance use
Other · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
16 Years to 19 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Results available

The SleepWell Study - Chronotherapeutic Intervention to Improve Sleep Following ACS

NCT05299723
View directory record Official record
Conditions
Sleep Disturbance, Insomnia, Acute Coronary Syndrome
Interventions
BLT Intervention, BLB Intervention, Sleep Hygiene Education
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Sep 4, 2026, 9:49 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

WatchWell: Simple and Practical Strategies to Reduce the Negative Health Impact of Sedentary Screen Time

NCT06963736
View directory record Official record
Conditions
Sedentary Time, Cardiovascular Diseases, Prediabetes, Obesity
Interventions
Blue light, Eating, Standing
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
26 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Litebook EDGE™ Phototherapy on Academic Performance and Brain Activity

NCT05383690
View directory record Official record
Conditions
Sleepiness, Daytime
Interventions
LED bright light treatment device
Device
Lead sponsor
Mclean Hospital
Other
Eligibility
13 Years to 18 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2022 · Synced Sep 4, 2026, 9:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Filtered Eyewear to Prevent Light-induced Melatonin Suppression - Aim 1

NCT06310135
View directory record Official record
Conditions
Sleep Quality
Interventions
Filtered Eyewear, Unfiltered Eyewear, No Filters
Device · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Menands, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2025 · Synced Sep 4, 2026, 9:49 AM EDT