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Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Contrast Sensitivity Testing Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate Strategies for Teaching Effective Use of Diagnostic Tests

NCT04130607
View directory record Official record
Conditions
Instructional Methods
Interventions
Conceptual teaching
Other
Lead sponsor
Sentara Norfolk General Hospital
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 16, 2019 · Synced Sep 3, 2026, 1:45 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Dopamine on Diabetic Retinopathy

NCT02706977
View directory record Official record
Conditions
Diabetes
Interventions
Low Dose Sinemet CR, High Dose Sinemet CR, RETeval Electroretinogram (ERG) Testing, Contrast Sensitivity Testing, Visual Acuity Testing
Drug · Device · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Sep 3, 2026, 1:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of the EpiGlare Tester for the Measurement of Glare-Induced Changes in BSCVA in Subjects With and Without Cataracts

NCT04739397
View directory record Official record
Conditions
Cataract
Interventions
Glare Testing
Device
Lead sponsor
Epico, LLC
Industry
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 3, 2021 · Synced Sep 3, 2026, 1:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Spaeth/Richman Contrast Sensitivity Test

NCT01300949
View directory record Official record
Conditions
Glaucoma
Interventions
Spaeth/Richman Contrast Sensitivity Test, Pelli-Robson Contrast Sensitivity Chart
Diagnostic Test
Lead sponsor
Wills Eye
Other
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 10, 2018 · Synced Sep 3, 2026, 1:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Functionally Validated Structural Endpoints for Early AMD

NCT04112667
View directory record Official record
Conditions
Age-related Macular Degeneration, Aging
Interventions
Normal Macular Health, Early Macular Degeneration, Young Normals
Other
Lead sponsor
Cynthia Owsley
Other
Eligibility
20 Years and older
Enrollment
556 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Sep 3, 2026, 1:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Glare and Spectral Filtering on Contrast Sensitivity: A Pilot Study

NCT05582304
View directory record Official record
Conditions
Visual Acuity
Interventions
Test Lens, Control Lens
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Sep 3, 2026, 1:45 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Testing Tactile Aids With Blind Subjects

NCT06237829
View directory record Official record
Conditions
Vision, Low, Blindness
Interventions
Single bump acuity, Optimal spacing between bumps, Improving signal from a single bump with designer materials
Behavioral
Lead sponsor
University of Delaware
Other
Eligibility
16 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Sep 3, 2026, 1:45 AM EDT
Active, not recruiting Not applicable Interventional

Retraining Neural Pathways Improves Cognitive Skills After A Mild Traumatic Brain Injury

NCT03655782
View directory record Official record
Conditions
MTBI - Mild Traumatic Brain Injury
Interventions
PATH + DigitMemory (DM) neurotraining
Behavioral
Lead sponsor
Perception Dynamics Institute
Industry
Eligibility
18 Years to 60 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
2
States / cities
San Diego, California • Solana Beach, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 3, 2026, 1:45 AM EDT
Suspended Early Phase 1 Interventional

PBA Use for Treatment of ATF6-/- Patients

NCT04041232
View directory record Official record
Conditions
ACHROMATOPSIA 7, Achromatopsia
Interventions
PBA
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 3, 2026, 1:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vision Measured by the Vimetrics CVA Compared With Chart Testing Under Similar Luminance and Contrast Conditions

NCT02028351
View directory record Official record
Conditions
Refractive Error, Cataract, Maculopathy
Interventions
Not listed
Lead sponsor
Sinclair Technologies, LLC
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Elkins Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 6, 2014 · Synced Sep 3, 2026, 1:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Dry Eye Syndrome on Metrics of Low Contrast Vision Before and After Meibomian Gland Expression

NCT05713981
View directory record Official record
Conditions
Meibomian Gland Dysfunction
Interventions
Meibomian gland (MG) expression
Procedure
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 25, 2023 · Synced Sep 3, 2026, 1:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Atlas of Retinal Imaging in Alzheimer's Study

NCT03862222
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Mild Dementia, Aging, Cognitive Change
Interventions
Retinal Imaging, Pupillometry, Contrast Sensitivity, Neuropsychological Evaluation, APOE genotyping, blood draw, Gait Assessment, Actigraphy
Other · Diagnostic Test · Genetic
Lead sponsor
University of Rhode Island
Other
Eligibility
55 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
4
States / cities
Clearwater, Florida • St. Petersburg, Florida • Kingston, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 3, 2026, 1:45 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Evaluating NeuroVision's Neural Vision Correction (NVC) Myopia Treatment

NCT00469612
View directory record Official record
Conditions
Myopia
Interventions
NeuroVision's NVC treatment for Low Myopia
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 59 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Sep 3, 2026, 1:45 AM EDT
Completed Not applicable Interventional Results available

How Has Glaucoma Affected Your Quality of Life?

NCT01476644
View directory record Official record
Conditions
Glaucoma, Quality of Life
Interventions
Clinical evaluation, Performance based measures, Subjective measures of vision-related quality of life
Other
Lead sponsor
Wills Eye
Other
Eligibility
18 Years to 80 Years
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Sep 3, 2026, 1:45 AM EDT
Withdrawn Not applicable Interventional

A Study to Assess the Use of The Sentinel Device During Atrial Fibrillation Ablation

NCT04683692
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Magnetic Resonance Imaging (MRI), Laboratory Testing
Device · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Sep 3, 2026, 1:45 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Evaluation of Electronic LogMar Visual Acuity and Contrast Sensitivity in a Population of Contact Lens Wearers

NCT03222037
View directory record Official record
Conditions
Visual Acuity
Interventions
senofilcon A, Control
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 35 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Sep 3, 2026, 1:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Test-Retest Variability of Quick Contrast Sensitivity Function Testing

NCT02177669
View directory record Official record
Conditions
Healthy
Interventions
quick Contrast Sensitivity Function test
Other
Lead sponsor
Nova Southeastern University
Other
Eligibility
20 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Sep 3, 2026, 1:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparing Vision Tests in a Virtual Reality Headset to Existing Analogues

NCT04714424
View directory record Official record
Conditions
Ptosis, Macular Degeneration, Ametropia
Interventions
Virtual Reality Headset
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 3, 2026, 1:45 AM EDT
Recruiting No phase listed Observational

Post-Stroke Sensory Reweighting on Walking and Balance Outcomes

NCT06727097
View directory record Official record
Conditions
Ischemic Stroke
Interventions
Posturography, Walking Speed, Instrumented 7M Timed UP and GO, Fall Event Records, MRI (3T)
Diagnostic Test · Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 3, 2026, 1:45 AM EDT
Recruiting Not applicable Interventional

Factors in Learning And Plasticity: Macular Degeneration

NCT05454124
View directory record Official record
Conditions
Central Visual Impairment, Macular Degeneration
Interventions
Training visual sensitivity, Combination training
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 3, 2026, 1:45 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Differences in Corneal Structure and Function in Patients With Sjogrens vs. Non-Sjogrens Dry Eye

NCT06364657
View directory record Official record
Conditions
Sjogren's Syndrome, Dry Eye, Neurotrophic Keratitis
Interventions
Eye Exam
Diagnostic Test
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Sep 3, 2026, 1:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Building a Database of Results From People Without Eye Problems

NCT02627339
View directory record Official record
Conditions
Glaucoma
Interventions
Not listed
Lead sponsor
Wills Eye
Other
Eligibility
10 Years to 90 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 20, 2016 · Synced Sep 3, 2026, 1:45 AM EDT
Not listed Not applicable Interventional

Impact of Acute Exercise on Vascular Insulin Sensitivity in Metabolic Syndrome

NCT03894527
View directory record Official record
Conditions
Metabolic Syndrome, Obesity
Interventions
Single Bout of Exercise, Control Condition
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
40 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced Sep 3, 2026, 1:45 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Improvements in Cognitive Skills of Older Adults Using Dynamic Visual Attention Training

NCT03456986
View directory record Official record
Conditions
Age Related Cognitive Decline
Interventions
PATH neurotraining, Orientation Discrimination
Behavioral
Lead sponsor
Perception Dynamics Institute
Industry
Eligibility
55 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
La Jolla, California • Solana Beach, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Sep 3, 2026, 1:45 AM EDT