Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 18, 2026, 12:30 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Results available

Spy II Clinical Registry

NCT00751998
Conditions
Biliary Tract Diseases
Interventions
SpyGlass
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
10
States / cities
San Francisco, California • Aurora, Colorado • Indianapolis, Indiana + 7 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Visual Performance of Senofilcon A With and Without a New UV/HEV-filter

NCT05021081
Conditions
Visual Performance
Interventions
TRP-200, ACUVUE Oasys 1-Day
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Athens, Georgia
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of Lighting Supplementation on Daytime Cognition

NCT04745312
Conditions
Non-visual Effects of Light
Interventions
Visible light
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
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
Conditions
Cortical/Cerebral Visual Impairment, Cerebral Palsy
Interventions
eye gaze technology
Other
Lead sponsor
Rockhurst University
Other
Eligibility
2 Years to 10 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kansas City, Missouri
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of a Digital Visual Acuity Device vs. Standard Visual Acuity Measurements

NCT06431295
Conditions
Visual Acuity
Interventions
FaceScan
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Jacksonville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

T30 for Astigmatism in Digital Device Users

NCT06266728
Conditions
Contact Lens Complication, Astigmatism, Refractive Errors
Interventions
Total30 for Astigmatism Contact Lenses
Device
Lead sponsor
Southern College of Optometry
Other
Eligibility
18 Years to 40 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Pittsburg, Kansas • Coldwater, Mississippi
Conditions
Visual Field Defect, Peripheral, Visual Field Defect, Nasal Step, Visual Field Defect, Paracentral Scotoma of Both Eyes
Interventions
VIrtual Reality Visual Field Exam
Other
Lead sponsor
University of Miami
Other
Eligibility
13 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Miami, Florida
Conditions
Cognitive Change, Processing, Visual Spatial, Inhibition (Psychology), Working Memory
Interventions
HUBOD, Active Comparator, Control Condition
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 45 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Urbana, Illinois
Completed Not applicable Interventional Results available

Monofocal IOL Visual Outcomes When Targeting Mini Monovision

NCT05069415
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
Conditions
Cognitive Change, Processing, Visual Spatial
Interventions
Martial Arts Training Group, Flexing, Toning and Balance
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Urbana, Illinois
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
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
Conditions
Age Related Cataracts
Interventions
Clareon PanOptix or PanOptix Toric IOLs, Comparable multifocal IOL
Device
Lead sponsor
Argus Research Center, Inc.
Other
Eligibility
Not listed
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
3
States / cities
Torrance, California • Cape Coral, Florida • Gainesville, Georgia
Conditions
Refractive Errors, Myopia, Hyperopia
Interventions
Modified delefilcon A contact lenses, Delefilcon A contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
5
States / cities
Maitland, Florida • Orlando, Florida • West Palm Beach, Florida + 2 more
Conditions
Dry Eye Syndromes
Interventions
Cyclosporine 0.05% Ophthalmic Emulsion
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 55 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
Andover, Massachusetts • Memphis, Tennessee
Completed Phase 4 Interventional Accepts healthy volunteers

Evaluation of a Monofocal Intraocular Lens

NCT06428955
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
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
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
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
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
Conditions
Infertility
Interventions
1% Lidocaine intracervical injection
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
18 Years to 40 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
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
Completed No phase listed Interventional Accepts healthy volunteers Results available

Evaluating Visual Acuity and Initial Fit Performance of Two Soft Contact Lenses

NCT04954833
Conditions
Visual Acuity
Interventions
EMO-200, EMO-118
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
7 Years to 12 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Salt Lake City, Utah