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Showing 1–24 of 75 matching trials from the live ClinicalTrials.gov search.
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
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
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Spectacles Lens in Concussed Kids

NCT03123822
Conditions
Concussion, Mild, Convergence Insufficiency, Accommodation; Insufficiency
Interventions
Glasses
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
9 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
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
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
VisDura, 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

Blue Wavelength Light-blocking Glasses in ADHD-Insomnia

NCT01557595
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
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Vision Centers on Access to Eye Care and Eye Health Outcomes

NCT07227714
Conditions
Cataract Surgery, Eye Care, Glasses, Primary Eye Care, Vision Center, Eyecare Visits
Interventions
Establishment of a vision center
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
150,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Francisco, California
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
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
Conditions
Amblyopia
Interventions
Eye patch, spectacles, atropine
Device · Drug
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
7 Years to 17 Years
Enrollment
507 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
3
States / cities
Baltimore, Maryland • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhancement of Emmetropization in Highly Hyperopic Infants

NCT03669146
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
Completed Not applicable Interventional Accepts healthy volunteers

Light Sleep: Screen Use and Sleep Health

NCT05342662
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
Conditions
Intermittent Exotropia
Interventions
Overminus treatment, Non-overminus treatment
Device
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
3 Years to 6 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Fullerton, California • Rochester, Minnesota
Terminated Not applicable Interventional Results available

Efficacy of Intermittent Occlusion Therapy Glasses for Amblyopia

NCT02687581
Conditions
Amblyopia
Interventions
IO-therapy Glasses, patch
Device
Lead sponsor
Salus University
Other
Eligibility
3 Years to 8 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Elkins Park, Pennsylvania
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Ocular Characteristics in Contact Lens and Spectacle Wear

NCT03913377
Conditions
Visual Acuity
Interventions
Spectacles, ACUVUE OASYS®1-Day with HydraLuxe™ Technology
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 42 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
3
States / cities
Jacksonville, Florida • Longwood, Florida • New York, New York
Conditions
Amblyopia
Interventions
Vivid Vision, Luminopia, Optical Correction
Device
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
8 Years to 12 Years
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
58
States / cities
Birmingham, Alabama • Glendale, Arizona • Scottsdale, Arizona + 46 more
Completed Not applicable Interventional Results available

Hyperopia Treatment Study 1 (HTS1) - Glasses vs Observation

NCT01515475
Conditions
Hyperopia
Interventions
Glasses
Procedure
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
12 Months to 71 Months
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
2
States / cities
Columbus, Ohio • Salt Lake City, Utah
Completed Not applicable Interventional Results available

Base-in Prism Spectacles for Intermittent Exotropia

NCT03998670
Conditions
Exotropia Intermittent
Interventions
Prism Glasses, Non-Prism Glasses
Device
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
3 Years to 13 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
28
States / cities
Birmingham, Alabama • Glendale, Arizona • Little Rock, Arkansas + 23 more
Terminated Not applicable Interventional Results available

Multifocal Visual Performance Study

NCT03757039
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
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Contact Lens Wear on Children's Self-Perceptions

NCT00522288
Conditions
Myopia
Interventions
Soft contact lenses, Spectacle
Device
Lead sponsor
Ohio State University
Other
Eligibility
8 Years to 11 Years
Enrollment
484 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
5
States / cities
Boston, Massachusetts • Columbus, Ohio • Forest Grove, Oregon + 2 more
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
VisDura, 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
Recruiting Not applicable Interventional Accepts healthy volunteers

Children's Viewing Behavior

NCT07229365
Conditions
Myopia, Myopia Progression, Juvenile Myopia
Interventions
Novel spectacle lens design, Spectacle lenses
Device
Lead sponsor
SightGlass Vision, Inc.
Industry
Eligibility
7 Years to 14 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bloomington, Indiana