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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Glasses 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 5, 2009 · Synced Sep 20, 2026, 7:56 AM EDT
Recruiting Phase 4 Interventional

Quality of Life in Presbyopic Patients Who Are Treated With Qlosi

NCT07113210
View directory record Official record
Conditions
Presbyopia, Glasses, Dry Eye
Interventions
pilocarpine HCL ophthalmic solution
Drug
Lead sponsor
Southern College of Optometry
Other
Eligibility
45 Years to 64 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
2
States / cities
Medina, Minnesota • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Sep 20, 2026, 7:56 AM EDT
Terminated Not applicable Interventional Results available

Multifocal Visual Performance Study

NCT03757039
View directory record Official record
Conditions
Presbyopia
Interventions
Multifocal soft contact lenses, Progressive addition lens spectacles
Device · Other
Lead sponsor
Alcon Research
Industry
Eligibility
38 Years to 58 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Sep 20, 2026, 7:56 AM EDT
Terminated Not applicable Interventional Results available

Thin Film Spectacle Coatings to Reduce Light Sensitivity and Headaches in Child and Adolescent Patients With Migraine

NCT01942486
View directory record Official record
Conditions
Migraine Disorders, Photophobia
Interventions
Investigational Coating
Device
Lead sponsor
University of Utah
Other
Eligibility
7 Years to 18 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Sep 20, 2026, 7:56 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 20, 2026, 7:56 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

Randomized Clinical Trial of Bifocal Lenses Versus Computer-specific Progressive Addition Lenses

NCT00585026
View directory record Official record
Conditions
Refractive Error, Presbyopia, Asthenopia, Eyeglasses
Interventions
D-28 bifocal lenses and frame, Progressive addition computer lenses and frame
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 14, 2011 · Synced Sep 20, 2026, 7:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Refractive Accuracy of "2WIN" and Portable Autorefractors

NCT04249505
View directory record Official record
Conditions
Refractive Error - Myopia Axial, Astigmatism, Accomodation, Visual Impairment, Hyperopia of Both Eyes
Interventions
"2WIN" Photoscreener, "Plusoptix A12", "Retinomax"
Device
Lead sponsor
Alaska Blind Child Discovery
Other
Eligibility
6 Months to 95 Years
Enrollment
708 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Anchorage, Alaska
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Sep 20, 2026, 7:56 AM EDT
Recruiting Not applicable Interventional

Oral Surgery Virtual Reality Glasses Study

NCT06723158
View directory record Official record
Conditions
Procedural Anxiety, Procedural Pain
Interventions
Virtual reality (VR) glasses with relaxation module
Other
Lead sponsor
Boston University
Other
Eligibility
16 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 20, 2026, 7:56 AM EDT
Completed Phase 1 Interventional

Rehabilitation Glasses for the Treatment of Hemispatial Neglect

NCT02695927
View directory record Official record
Conditions
Hemispatial Neglect
Interventions
Computer rehabilitation glasses
Device
Lead sponsor
Chun Lim
Other
Eligibility
21 Years to 85 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 10, 2018 · Synced Sep 20, 2026, 7:56 AM EDT
Completed Not applicable Interventional Results available

Clinical Trial of Peripheral Prism Glasses for Hemianopia

NCT00494676
View directory record Official record
Conditions
Homonymous Hemianopia
Interventions
High power (57 prism diopter) peripheral prism glasses, Low power sham peripheral prism glasses
Device
Lead sponsor
Alexandra Bowers
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
12
States / cities
Birmingham, Alabama • Palo Alto, California • Jupiter, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 20, 2026, 7:56 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Myopia:the Role of Cone Opsin Mutations & Glasses That Control Axial Elongation

NCT01923675
View directory record Official record
Conditions
Myopia
Interventions
Spectacles with red-blocking tint, Spectacles with holographic diffuser and color neutral tint, Spectacles with holographic diffuser and red-blocking tint, Spectacles with color neutral tint
Other
Lead sponsor
University of Washington
Other
Eligibility
8 Years to 13 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Sep 20, 2026, 7:56 AM EDT
Terminated Not applicable Interventional

Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria

NCT00785135
View directory record Official record
Conditions
Binocular Dysfunction, Vertical Heterophoria, Vision, Binocular, Vision Disparity
Interventions
Lenses containing prismatic correction, Lenses not containing prismatic correction
Device
Lead sponsor
Vision Specialists of Birmingham
Other
Eligibility
14 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Birmingham, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced Sep 20, 2026, 7:56 AM EDT
Terminated Not applicable Interventional Results available

Spectacle Tints and Thin-Films for Migraine

NCT02720211
View directory record Official record
Conditions
Headache Migraine Chronic
Interventions
Gray tinted spectacle lenses, Thin-Film spectacle lenses
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
4
States / cities
Phoenix, Arizona • Boston, Massachusetts • Great Neck, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced Sep 20, 2026, 7:56 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Control of Myopia Using Novel Spectacle Lens Designs

NCT03623074
View directory record Official record
Conditions
Juvenile Myopia
Interventions
Novel spectacle lens design, Spectacle lenses
Device
Lead sponsor
SightGlass Vision, Inc.
Industry
Eligibility
6 Years to 10 Years
Enrollment
266 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
13
States / cities
Whittier, California • Longwood, Florida • Pensacola, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 20, 2026, 7:56 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 Jul 31, 2025 · Synced Sep 20, 2026, 7:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Evaluation of Quality of Vision and Spectacle Independence With the AcrySof® Panoptix® Intraocular Lens

NCT04124952
View directory record Official record
Conditions
Cataract
Interventions
Panoptix
Device
Lead sponsor
SightTrust Eye Institute
Other
Eligibility
40 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Sunrise, Florida
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Sep 20, 2026, 7:56 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Mobility Performance in Daily Activities Among Children Wearing Spectacle Lenses

NCT07229352
View directory record Official record
Conditions
Myopia, Myopia Progression, Juvenile Myopia
Interventions
Novel spectacle lens design, Spectacle lenses
Device
Lead sponsor
SightGlass Vision, Inc.
Industry
Eligibility
6 Years to 12 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Glendale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 20, 2026, 7:56 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 15, 2025 · Synced Sep 20, 2026, 7:56 AM EDT
Completed Not applicable Interventional Results available

Long Term Follow-up of the VisAbility™ Micro Insert System for Presbyopic Patients

NCT03811249
View directory record Official record
Conditions
Presbyopia
Interventions
VisAbility™ Micro Insert
Device
Lead sponsor
Refocus Group, Inc.
Industry
Eligibility
45 Years to 60 Years
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
13
States / cities
Orange, California • San Diego, California • Honolulu, Hawaii + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Sep 20, 2026, 7:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhancement of Emmetropization in Highly Hyperopic Infants

NCT03669146
View directory record Official record
Conditions
Hyperopia
Interventions
Glasses
Device
Lead sponsor
Donald O Mutti, OD, PhD
Other
Eligibility
8 Weeks to 15 Weeks
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced Sep 20, 2026, 7:56 AM EDT
Completed Phase 4 Interventional

Comparison of Postoperative Visual Acuity and Spectacle Independence Between the Tecnis Multifocal Intraoculer Lens (IOL) and the Crystalens Accommodating IOL

NCT01275118
View directory record Official record
Conditions
Cataract
Interventions
Tecnis Multifocal IOL, crystalens Accommodating IOL
Device
Lead sponsor
Mark Packer, MD, FACS
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 27, 2014 · Synced Sep 20, 2026, 7:56 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Myopia Control Spectacle Lens Cessation Study

NCT05893979
View directory record Official record
Conditions
Myopia, Myopia Progression, Juvenile Myopia
Interventions
Spectacle Lenses
Device
Lead sponsor
SightGlass Vision, Inc.
Industry
Eligibility
9 Years to 16 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
8
States / cities
Whittier, California • Longwood, Florida • Pittsburg, Kansas + 5 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 20, 2026, 7:56 AM EDT
Completed Not applicable Interventional

Thin Film Spectacle Coatings to Reduce Light Sensitivity and Headaches in Patients With Migraine

NCT01828684
View directory record Official record
Conditions
Migraine Disorders, Photophobia
Interventions
Therapeutic Lens Coating, Sham Lens Coating
Other
Lead sponsor
Bradley Katz
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 30, 2016 · Synced Sep 20, 2026, 7:56 AM EDT
Completed Not applicable Interventional

Optical Treatment of Migraines Using the Avulux™ Optical Filter in the Form of Spectacle Lenses.

NCT03902496
View directory record Official record
Conditions
Migraine
Interventions
HIT-6 Questionnaire, Avulux Spectacles, Sham Spectacles
Other · Device
Lead sponsor
Avulux, Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 20, 2026, 7:56 AM EDT