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ClinicalTrials.gov public records Last synced Jun 10, 2026, 4:56 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Spectacle Lens Visual Acuity Assessments Study

NCT05650190
Conditions
Myopia, Myopia Progression, Juvenile Myopia
Interventions
Novel spectacle lens design, Spectacle lenses
Device
Lead sponsor
SightGlass Vision, Inc.
Industry
Eligibility
9 Years to 14 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
6
States / cities
Longwood, Florida • Pittsburg, Kansas • Raytown, Missouri + 3 more
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
Conditions
Accommodation
Interventions
Dynamic accommodation
Behavioral
Lead sponsor
State University of New York College of Optometry
Other
Eligibility
18 Years to 30 Years
Enrollment
10 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Myopia
Interventions
DG1 Spectacle Lens, Single Vision Spectacle Lens
Device
Lead sponsor
HOYA Lens Thailand LTD.
Industry
Eligibility
7 Years to 10 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
10
States / cities
Irvine, California • Gainesville, Florida • Ocoee, Florida + 7 more
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
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
Completed Not applicable Interventional Results available

Trial of Overminus Spectacle Therapy for Intermittent Exotropia

NCT02807350
Conditions
Intermittent Exotropia
Interventions
Overminus treatment, Non-overminus treatment
Device
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
3 Years to 10 Years
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
59
States / cities
Birmingham, Alabama • Glendale, Arizona • Little Rock, Arkansas + 50 more
Completed No phase listed Observational Accepts healthy volunteers

Refractive Accuracy of "2WIN" and Portable Autorefractors

NCT04249505
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Clinical Trial of The VisAbility Micro Insert System for Presbyopic Patients

NCT02374671
Conditions
Presbyopia
Interventions
VisAbility Micro Insert
Device
Lead sponsor
Refocus Group, Inc.
Industry
Eligibility
45 Years to 60 Years
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
14
States / cities
Orange, California • San Diego, California • Honolulu, Hawaii + 10 more
Conditions
Ametropia, Refractive Error
Interventions
AVA lenses, Standard lenses
Device
Lead sponsor
Essilor International
Industry
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bloomington, Indiana
Completed Not applicable Interventional Accepts healthy volunteers

Seeing the World Through Assorted Glasses

NCT02483559
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
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Control of Myopia Using Novel Spectacle Lens Designs

NCT03623074
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
Terminated Not applicable Interventional Results available

Feasibility of EnChroma Use in the Emergency Department Setting

NCT04021914
Conditions
Color Vision Defects
Interventions
EnChroma glasses
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Results available

Spectacles for Patients With Down Syndrome

NCT03367793
Conditions
Vision, Low
Interventions
Spectacles - Clinically Derived, Spectacles - Metric Technique #1 Derived, Spectacles - Metric Technique #2 Derived
Device
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Mobility Performance in Daily Activities Among Children Wearing Spectacle Lenses

NCT07229352
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
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Spectacle Prescribing in Early Childhood

NCT04728451
Conditions
Astigmatism Bilateral, Eyeglasses
Interventions
Spectacle wear support, Spectacles
Behavioral · Device
Lead sponsor
University of Arizona
Other
Eligibility
12 Months to 35 Months
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Tucson, Arizona
Completed Not applicable Interventional Results available

Vivity IOL: Emmetropia Compared to Monovision.

NCT05464732
Conditions
Presbyopia
Interventions
Vivity IOL emmetropia, Vivity IOL monovision
Device
Lead sponsor
Carolina Eyecare Physicians, LLC
Other
Eligibility
50 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Mt. Pleasant, South Carolina
Conditions
Cataract
Interventions
Panoptix Toric
Device
Lead sponsor
Eye Center of North Florida
Other
Eligibility
40 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Panama City, Florida
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effects of Gunnar Computer Glasses on Viewing Comfort and Performance

NCT02925884
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Glasses for Adolescent Delayed Sleep-Wake Phase Disorder

NCT04378933
Conditions
Delayed Sleep-Wake Phase Disorder
Interventions
Amber Glasses, Clear Lens Glasses
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
14 Years to 17 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
2
States / cities
Chicago, Illinois • Rochester, Minnesota
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
Conditions
Visual Acuity
Interventions
Not listed
Lead sponsor
Innovative Medical
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Eugene, Oregon
Conditions
Cataract
Interventions
Panoptix
Device
Lead sponsor
Gainesville Eye Associates
Other
Eligibility
40 Years and older
Enrollment
30 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Gainesville, Georgia