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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Visual Performance Clear all
Completed Not applicable Interventional

Visual Performance of Highly Aspherical Lenslet Spectacles in Children (Ancillary to WS10246)

NCT07668102
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 4, 2026, 6:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Patient Performance on Virtual Reality Visual Field Devices as Compared to Standard of Care

NCT04994457
View directory record Official record
Conditions
Glaucoma
Interventions
Virtual Reality Visual Field, Standard Automated Perimetry
Device · Diagnostic Test
Lead sponsor
University of Miami
Other
Eligibility
1 Year to 90 Years
Enrollment
287 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Effect of Scatter on Visual Performance

NCT07443215
View directory record Official record
Conditions
Visual Acuity
Interventions
ACUVUE® OASYS 1-Day Sphere, ACUVUE® OASYS Multifocal
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Consumption of 4D Dietary Supplement on Perceptual-Cognitive and Visual-Motor Performance

NCT04988919
View directory record Official record
Conditions
Dietary Supplementation
Interventions
4D, placebo
Dietary Supplement
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 7, 2021 · Synced Sep 4, 2026, 6:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Visual Performance of Bilateral AcrySof ReSTOR Aspheric +4

NCT01215045
View directory record Official record
Conditions
Cataract
Interventions
AcrySof ReSTOR Aspheric +4
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years to 70 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Oct 4, 2010 · Synced Sep 4, 2026, 6:24 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Handheld Device Compared With a Standard Eye Care Diagnostic Device in Measuring Ophthalmic Refraction

NCT04693247
View directory record Official record
Conditions
Refractive Errors, Vision Disorders
Interventions
EQ103
Device
Lead sponsor
EyeQue Corp.
Industry
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Newark, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Not applicable Interventional

MULTICENTER, DOUBLE-ARM, PATIENT AND ASSESSOR-MASKED, PROSPECTIVE, RANDOMIZED CLINICAL TRIAL TO COMPARE VISUAL PERFORMANCE OF NEGATIVE AND NEUTRAL ASPHERIC MONOFOCAL INTRAOCULAR LENSES

NCT07385014
View directory record Official record
Conditions
Cataract, Presbyopia
Interventions
Neutral Aspheric Monofocal IOL, Negative Aspheric Monofocal IOL
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 95 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Sep 4, 2026, 6:24 PM EDT
Withdrawn No phase listed Observational

Attentional Performance in Parkinson Disease

NCT04428931
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
35 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2021 · Synced Sep 4, 2026, 6:24 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Trial on the Effects of Ultrasound Probe Position on Ultrasound-guided Nerve Blocks

NCT01690156
View directory record Official record
Conditions
In-plane Ultrasound-guided Regional Anesthesia Performance
Interventions
Not listed
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Sep 4, 2026, 6:24 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Visual Performance of Center Distance Daily Disposable Multifocal Lenses

NCT06475053
View directory record Official record
Conditions
Myopia
Interventions
NaturalVue Enhanced Multifocal 1 Day contact lens, MiSight 1 Day contact lens
Device
Lead sponsor
Visioneering Technologies, Inc
Industry
Eligibility
9 Years to 30 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 4, 2026, 6:24 PM EDT
Recruiting No phase listed Observational

Clinical Evaluation of Low Contrast Visual Performance and Low Light Phenomena in Patients With Various Intraocular Lens Implants

NCT07213167
View directory record Official record
Conditions
Dysphotopsia, Posterior Capsule Opacification, Visual Acuity, Visual Function, Contrast Sensitivity
Interventions
None-placebo
Other
Lead sponsor
Dr. Daniel H. Chang, MD
Other
Eligibility
22 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bakersfield, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 4, 2026, 6:24 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Training to Modify Fixational Eye Movements for Optimizing Visual Performance in People With Central Vision Loss

NCT06670989
View directory record Official record
Conditions
Central Vision Loss From Macular Diseases
Interventions
Fixation training
Behavioral
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2024 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Not applicable Interventional Results available

Single-center, Double-arm, Prospective Clinical Trial to Compare Visual Performance of Non-diffractive Extended Vision and Neutral Aspheric Monofocal Intraocular Lenses

NCT04591054
View directory record Official record
Conditions
Cataract, Presbyopia
Interventions
Extended Vision IOL, Neutral Aspheric Monofocal IOL
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 95 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 4, 2026, 6:24 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Macular Pigment and Visual Performance in Glaucoma Patients

NCT03959592
View directory record Official record
Conditions
Glaucoma
Interventions
Lutein, zeaxanthin and mesozeaxanthin, Placebo
Drug · Other
Lead sponsor
Felipe Medeiros, MD
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 2, 2023 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Two Marketed Multifocal Contact Lenses

NCT03322423
View directory record Official record
Conditions
Visual Performance
Interventions
Multifocal Contact Lens 1, Multifocal Contact Lens 2, Spherical Contact Lens 2
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
40 Years to 70 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
5
States / cities
Sarasota, Florida • Albuquerque, New Mexico • Vestal, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Sep 4, 2026, 6:24 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

ACRYSOF® Restor Apodized Diffractive IOL Postmarket Evaluation of Clinical Outcomes and Life-Style Visual Performance RESTOR IOL SN60WF IOL (Control Group)

NCT00345111
View directory record Official record
Conditions
Refractive Assessment
Interventions
Clinical visual outcomes of bilateral implantation of Restore Intra Ocular Lens.
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Sep 4, 2026, 6:24 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Ocular Adaptation and Visual Performance for Accommodative Contact Lens

NCT02923232
View directory record Official record
Conditions
Functionality of Experimental Contact Lens
Interventions
Accommodative contact lens
Device
Lead sponsor
Pacific University
Other
Eligibility
40 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Forest Grove, Oregon
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 4, 2026, 6:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Visual Performance With Contact Lenses

NCT03705130
View directory record Official record
Conditions
Myopia
Interventions
Single Vision Contact Lens, Multifocal Contact Lens 1, Multifocal Contact Lens 2
Device
Lead sponsor
University of Houston
Other
Eligibility
18 Years to 39 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2018 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Dark Chocolate on Visual Performance

NCT03326934
View directory record Official record
Conditions
Dietary Supplementation
Interventions
Dark chocolate, Milk Chocolate
Dietary Supplement
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Not applicable Interventional Results available

The Effect of Systane Ultra Lubricant Eye Drops (FID 112903) on Visual Performance

NCT00673764
View directory record Official record
Conditions
Dry Eye
Interventions
Systane Ultra Lubricant Eye Drops, Optive Lubricant Eye Drops
Other
Lead sponsor
Alcon Research
Industry
Eligibility
18 Months and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
North Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 1, 2012 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Phase 4 Interventional Results available

Investigation of Maintaining Visual Performance Achieved With Cyclosporine Therapy

NCT02121847
View directory record Official record
Conditions
Dry Eye Syndromes
Interventions
cyclosporine 0.05% ophthalmic emulsion, carboxymethylcellulose-based lubricant eye drops
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 4, 2026, 6:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vivity Insight: A Study of Patient Satisfaction and Visual Performance

NCT04495049
View directory record Official record
Conditions
Cataract
Interventions
Alcon Vivity or Vivity Toric IOL
Device
Lead sponsor
Research Insight LLC
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Laguna Hills, California • Palm City, Florida • Edwardsville, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 2, 2021 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Not applicable Interventional Results available

Monofocal IOL Visual Outcomes When Targeting Mini Monovision

NCT05069415
View directory record Official record
Conditions
Cataract, Presbyopia
Interventions
Eyhance IOL
Device
Lead sponsor
Carolina Eyecare Physicians, LLC
Other
Eligibility
50 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Sarasota, Florida • Mt. Pleasant, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Sep 4, 2026, 6:24 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Evaluation of a Monofocal Intraocular Lens

NCT06428955
View directory record Official record
Conditions
Cataract
Interventions
CT LUCIA 621P
Device
Lead sponsor
Carl Zeiss Meditec AG
Industry
Eligibility
50 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
3
States / cities
Indianapolis, Indiana • Lexington, Kentucky • Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 4, 2026, 6:24 PM EDT