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Showing 1–24 of 72 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Assessment of a Customized Free-form Progressive Addition Lens Spectacle

NCT01234207
Conditions
Presbyopia
Interventions
Standard, non-free-form, non-customized PAL spectacles, Individually customized free-form surfaced PAL spectacles
Device
Lead sponsor
University of California, Berkeley
Other
Eligibility
39 Years to 80 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Berkeley, California
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
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
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 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 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
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
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
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 Accepts healthy volunteers

Myopia Control With a Innovative Spectacle Lens

NCT05174780
Conditions
Myopia
Interventions
innovative myopia control spectacle lens, Single vision spectacle lens
Device
Lead sponsor
Essilor International
Industry
Eligibility
6 Years to 12 Years
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
9
States / cities
San Diego, California • Longwood, Florida • Chicago, Illinois + 6 more
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
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
Conditions
Myopia
Interventions
HAL spectacle lens, Single Vision spectacle lens
Device
Lead sponsor
Essilor International
Industry
Eligibility
6 Years to 12 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
7
States / cities
San Diego, California • Longwood, Florida • Chicago, Illinois + 4 more
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
Conditions
Brain Concussion
Interventions
Blue Light Glasses, Computer Reading Task
Device · Other
Lead sponsor
Rochester Institute of Technology
Other
Eligibility
18 Years to 26 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, New York
Conditions
Autism Spectrum Disorder
Interventions
Simulated dental office visit
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
5 Years to 25 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Richmond, Virginia
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Comparison Between Spectacles and Contact Lenses

NCT06905912
Conditions
Photophobia
Interventions
Biomedics55 Premier contact lenses, and Altius Tinted Contact Lenses
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
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
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
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
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
Completed Not applicable Interventional Results available

Clinical Trial of Peripheral Prism Glasses for Hemianopia

NCT00494676
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
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