- Conditions
- Binocular Vision Dysfunction, Vertical Heterophoria
- Interventions
- Questionnaires and Optometrist Prism Challenge/Treatment
- Other
- Lead sponsor
- Vision Specialists of Birmingham
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 86 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 2
- States / cities
- Bloomfield Hills, Michigan • Livonia, Michigan
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Showing 1–12
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matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Binocular Vision Disorder, Convergence Insufficiency, Headache, Computer Vision Syndrome
- Interventions
- Neurolens spectacle lens, Placebo spectacle lens
- Device
- Lead sponsor
- Neurolens Inc.
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 300 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 10
- States / cities
- Phoenix, Arizona • Conyers, Georgia • Perry, Georgia + 7 more
- 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
- 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
- Conditions
- Binocular Vision Disorder, Convergence Insufficiency, Computer Vision Syndrome
- Interventions
- Neurolens spectacle lens, Placebo spectacle lens
- Device
- Lead sponsor
- Neurolens Inc.
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 9
- States / cities
- Brea, California • Fort Collins, Colorado • Manchester, Connecticut + 6 more
- Conditions
- Contact Lens Discomfort
- Interventions
- Neurolens, Placebo spectacle lens
- Device
- Lead sponsor
- Southern California College of Optometry at Marshall B. Ketchum University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Fullerton, California
- Conditions
- Convergence Insufficiency
- Interventions
- Base-in prism glasses for reading, Placebo reading glasses
- Procedure
- Lead sponsor
- Pennsylvania College of Optometry
- Industry
- Eligibility
- 9 Years to 18 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2003 – 2004
- U.S. locations
- 10
- States / cities
- Birmingham, Alabama • Fullerton, California • Fort Lauderdale, Florida + 6 more
- Conditions
- Hemianopia, Homonymous, Tunnel Vision, Visual Field Defect, Peripheral, Visual Field Constriction Bilateral, Visual Field Defect Homonymous Bilateral
- Interventions
- High power prisms
- Device
- Lead sponsor
- Massachusetts Eye and Ear Infirmary
- Other
- Eligibility
- 7 Years to 80 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- Conditions
- Exotropia
- Interventions
- Patching, Prism Adaptation
- Procedure
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- Up to 17 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 5
- States / cities
- Los Angeles, California • Boston, Massachusetts • Buffalo, New York + 2 more
- Conditions
- Convergence Insufficiency
- Interventions
- Active home-based computer vergence/accommodative therapy, Near target push-ups, Placebo home-based computer vergence/accommodative therapy, Placebo yoked prism flippers
- Other · Procedure
- Lead sponsor
- Jaeb Center for Health Research
- Other
- Eligibility
- 9 Years to 17 Years
- Enrollment
- 204 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 2
- States / cities
- Cranberry TWP, Pennsylvania • Philadelphia, Pennsylvania
- Conditions
- Homonymous Hemianopia
- Interventions
- Multi-Periscopic Prism (MPP) glasses, Fresnel Peripheral Prism (FPP) glasses
- Device
- Lead sponsor
- Massachusetts Eye and Ear Infirmary
- Other
- Eligibility
- 7 Years and older
- Enrollment
- 64 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 8
- States / cities
- Birmingham, Alabama • Denver, Colorado • Palm Springs, Florida + 3 more