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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:32 AM EDT

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

Showing 25–48 of 264 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Spectacle Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Comprehensive Evaluation of Visual Function

NCT00894192
View directory record Official record
Conditions
Visual Function
Interventions
Izon Wavefront-guided lenses, Conventional lenses
Device
Lead sponsor
The Chicago Lighthouse
Other
Eligibility
18 Years to 35 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 6, 2009 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of the Accuracy of an Automated Refractor to Provide Well-tolerated Eyeglass Prescriptions

NCT06883032
View directory record Official record
Conditions
Refractive Errors
Interventions
AR Eyeglasses first, SR Eyeglasses second, SR Eyeglasses first, AR Eyeglasses second
Other
Lead sponsor
PlenOptika, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 1, 2025 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional

Effects of Biofeedback on Walking Speed Post-stroke

NCT05420857
View directory record Official record
Conditions
Stroke
Interventions
Overground Visual Biofeeback
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 18, 2024 · Synced Oct 21, 2026, 9:32 AM EDT
Recruiting Not applicable Interventional

Type 1 Diabetes REst for Metabolic Health

NCT06627504
View directory record Official record
Conditions
Type 1 Diabetes (T1D), Sleep Health
Interventions
Sleep Health and Circadian Timing Intervention
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
14 Years to 19 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 21, 2026, 9:32 AM EDT
Recruiting Not applicable Interventional

Light Therapy and Occupational Therapy Fatigue Management-Based Intervention for Patients With Genitourinary Cancers

NCT05519878
View directory record Official record
Conditions
Bladder Carcinoma, Genitourinary System Neoplasm, Kidney Carcinoma, Prostate Carcinoma
Interventions
Best Practice, Bright White Light Therapy, Occupational Therapy, Questionnaire Administration
Other · Device · Behavioral
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 21, 2026, 9:32 AM EDT
Not listed Not applicable Interventional

Manual Small Incision Cataract Surgery Outcomes in an Educational Setting

NCT02277314
View directory record Official record
Conditions
Cataracts
Interventions
Manual Small Incision Cataract Surgery
Procedure
Lead sponsor
University of Arizona
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 13, 2016 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Evaluation of Spherical Soft Contact Lenses, Toric Soft Contact Lenses and Spectacles in Low Astigmats

NCT05056870
View directory record Official record
Conditions
Visual Acuity
Interventions
ACUVUE Oasys 1-Day with HydraLuxe Technology for Astigmatism, ACUVUE Oasys 1-Day with HydraLuxe Technology
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 39 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
13
States / cities
Rocklin, California • Longwood, Florida • Maitland, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional Results available

Sleep to Activate Mood Promotion

NCT02413294
View directory record Official record
Conditions
Depression, Sleep Quality
Interventions
Re-Timer glasses
Device
Lead sponsor
University of Michigan
Other
Eligibility
65 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 7, 2017 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Myopia Assessment of Two Manufacturing Processes

NCT04126057
View directory record Official record
Conditions
Juvenile Myopia
Interventions
SightGlass Vision DOT Spectacle Lenses
Device
Lead sponsor
SightGlass Vision, Inc.
Industry
Eligibility
6 Years to 14 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
5
States / cities
Longwood, Florida • Pittsburg, Kansas • Raytown, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional Results available

A Study to Evaluate the Product Performance of the PureVision®2 High Definition (HD) Contact Lens

NCT01416142
View directory record Official record
Conditions
Myopia
Interventions
PureVision2 HD contact lenses, Spectacles
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
15 Years to 30 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 25, 2013 · Synced Oct 21, 2026, 9:32 AM EDT
Completed No phase listed Observational

Satisfaction & Spectacle Independence With ReSTOR 2.5 & ReSTOR 3.0 IOLs

NCT03073681
View directory record Official record
Conditions
Cataract
Interventions
Survey
Device
Lead sponsor
MDbackline, LLC
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Laguna Hills, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Oct 21, 2026, 9:32 AM EDT
Active, not recruiting Not applicable Interventional

Presbyopic Wear Experience With Multifocal Lenses Compared to Single Vision Lenses and Reading Glasses

NCT07218731
View directory record Official record
Conditions
Presbyopia Correction, Presbyopia
Interventions
Multifocal contact lenses, Spherical contact lenses
Device
Lead sponsor
Ohio State University
Other
Eligibility
40 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 21, 2026, 9:32 AM EDT
Not yet recruiting Not applicable Interventional

The Emmetropization Via Accommodation (EVA) - II Study

NCT07838597
View directory record Official record
Conditions
Hyperopia, Farsightedness, Hypermetropia
Interventions
Experimental treatment arm
Combination Product
Lead sponsor
Ohio State University
Other
Eligibility
13 Weeks to 19 Weeks
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 21, 2026, 9:32 AM EDT
Recruiting Phase 2 Interventional

Metric-Optimized Spectacle Prescriptions for Children With Down Syndrome

NCT07490444
View directory record Official record
Conditions
Refractive Error Correction, Visual Acuity
Interventions
Metric-optimized spectacles, Routine Clinical Spectacles
Device
Lead sponsor
Ohio State University
Other
Eligibility
5 Years to 12 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Phase 3 Interventional Results available

Investigation of PicoPrep Versus HalfLytely for Bowel Preparation for Colonoscopy - Day Before PicoPrep

NCT01073943
View directory record Official record
Conditions
Bowel Preparation
Interventions
PicoPrep, HalfLytely, bisacodyl
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
603 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
11
States / cities
Clearwater, Florida • Hollywood, Florida • Inverness, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2012 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Neuroplastic Mechanisms Underlying Augmented Neuromuscular Training

NCT04069520
View directory record Official record
Conditions
Anterior Cruciate Ligament Injuries
Interventions
aNMT Biofeedback, Sham Biofeedback
Other
Lead sponsor
Emory University
Other
Eligibility
12 Years to 19 Years · Female only
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Flowery Branch, Georgia • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional Results available

Assessment of Daily Disposable Silicone Hydrogel Lens Wear

NCT01093625
View directory record Official record
Conditions
Myopia
Interventions
Narafilcon B Contact Lens, Spectacles
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
15 Years to 39 Years
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 19, 2018 · Synced Oct 21, 2026, 9:32 AM EDT
Active, not recruiting Not applicable Interventional

Abnormal Food Timing and Circadian Dyssynchrony in Alcohol Induced Colon Carcinogenesis

NCT03955510
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Right time eating, Delayed time eating, Sigmoidoscopy, Optional 24h circadian assessment in the Biological Rhythms lab, Alcohol
Other · Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
21 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 21, 2026, 9:32 AM EDT
Not listed Not applicable Interventional

Monitored Controlled Intermittent Alternate Occlusion (CIAO) Therapy for Intermittent Exotropia

NCT02902887
View directory record Official record
Conditions
Intermittent Exotropia
Interventions
Controlled Intermittent Alternate Occlusion (CIAO ) glasses
Device
Lead sponsor
Salus University
Other
Eligibility
3 Years to 11 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Elkins Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2019 · Synced Oct 21, 2026, 9:32 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

CYPRESS Efficacy and Safety Study Extension

NCT04947735
View directory record Official record
Conditions
Juvenile Myopia, Myopia
Interventions
Novel spectacle lens design, Spectacle lenses
Device
Lead sponsor
SightGlass Vision, Inc.
Industry
Eligibility
6 Years to 17 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
11
States / cities
Whittier, California • Longwood, Florida • Pittsburg, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 21, 2026, 9:32 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 4, 2026 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of Consciousness States with NextSense Ear Bud Devices

NCT05114616
View directory record Official record
Conditions
Sleep
Interventions
NextSense EEG-enabled earbuds, Ellcie Healthy Glasses
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 60 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Oct 21, 2026, 9:32 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Effects of Dairy Foods on Adolescent Pregnant Mothers and Their Newborns

NCT00320125
View directory record Official record
Conditions
Pregnancy
Interventions
Orange juice plus calcium, Dairy products
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
15 Years to 18 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 5, 2015 · Synced Oct 21, 2026, 9:32 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effects of Gunnar Computer Glasses on Viewing Comfort and Performance

NCT02925884
View directory record Official record
Conditions
Dry Eye, Eye Strain, Visual Acuity, Color Perception
Interventions
Gunnar OTC Glasses
Device
Lead sponsor
Pacific University
Other
Eligibility
18 Years to 42 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Forest Grove, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Oct 21, 2026, 9:32 AM EDT