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Showing 1–24 of 2,340 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Visual Function Clear all
Completed No phase listed Observational

Study of Usher Syndromes, Type 1 and Type 2

NCT00001347
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 5, 2026, 5:54 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Intraocular Pressure (IOP) Lowering Efficacy of Transdermal Brimonidine Therapy

NCT01345448
View directory record Official record
Conditions
Glaucoma
Interventions
Brimonidine, Placebo Lotion
Drug
Lead sponsor
Nanduri, Padma, M.D., FACS
Individual
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Visalia, California
Source: ClinicalTrials.gov public record
Updated May 1, 2011 · Synced Sep 5, 2026, 5:54 AM EDT
Terminated Phase 4 Interventional

A Clinical Study Comparing the Inflammatory Response of the Ex-Press Mini Shunt to Trabeculectomy

NCT00597181
View directory record Official record
Conditions
Glaucoma
Interventions
Trabeculectomy with mitomycin c, Ex-Press mini shunt with mitomycin c
Procedure
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 16, 2010 · Synced Sep 5, 2026, 5:54 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Study to See How Low Level Laser Light Affects Subcutaneous Fat Around the Hips and Waist

NCT01292564
View directory record Official record
Conditions
Weight Loss
Interventions
Erchonia MLS, Placebo Laser
Device
Lead sponsor
Erchonia Corporation
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Fox River Grove, Illinois
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

In-Home Care for Patients With PSP and Related Disorders

NCT03552484
View directory record Official record
Conditions
Progressive Supranuclear Palsy, Dementia With Lewy Bodies, Multiple System Atrophy, Corticobasal Syndrome, Atypical Parkinson Disease
Interventions
Home Visit Program, Usual Care/Online Survey
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
40 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 31, 2024 · Synced Sep 5, 2026, 5:54 AM EDT
Completed No phase listed Observational

Comparing Visual Acuity Measurements (How Well You Can See) Using a Standard ETDRS Chart & a Handheld ETDRS Chart

NCT01622816
View directory record Official record
Conditions
Diabetic Retinopathy
Interventions
Not listed
Lead sponsor
Julia Haller
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 9, 2016 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Not applicable Interventional Results available

Spectacles for Patients With Down Syndrome

NCT03367793
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 24, 2021 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition, Vision, and Cognition in Sport Study: Beef

NCT04427852
View directory record Official record
Conditions
Cognitive Change, Nutrient Deficiency, Nutritional Anemia, Visual Spatial Processing, Diet, Healthy, Diet; Deficiency, Dietary Deficiency, Dietary B12 Deficiency, Dietary Zinc Deficiency, Dietary Vitamin B12 Deficiency Anemia, Dietary Deficiency of Selenium and Vitamin E
Interventions
30 day Daily consumption of 1 serving of beef, 30 day Daily consumption of 1 serving of the vegatable protein source
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adult Providing Access to the Visual Environment (PAVE) - Glaucoma Pilot

NCT00338208
View directory record Official record
Conditions
Glaucoma
Interventions
Training in the Use of Low Vision Devices
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 19, 2015 · Synced Sep 5, 2026, 5:54 AM EDT
Completed No phase listed Observational

Validation of Fore-Sight Cerebral & Tissue Oximeter Saturation Measurements on Neonates ≤ 5 kg

NCT02017652
View directory record Official record
Conditions
Bowel Motility
Interventions
Not listed
Lead sponsor
Sharp HealthCare
Other
Eligibility
Up to 7 Days
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2017 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Results available

Evaluation of Safety of SPARC0913 in Open Angle Glaucoma or Ocular Hypertension

NCT00945958
View directory record Official record
Conditions
Open Angle Glaucoma, Ocular Hypertension
Interventions
SPARC0913
Drug
Lead sponsor
Sun Pharma Advanced Research Company Limited
Industry
Eligibility
18 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 8, 2021 · Synced Sep 5, 2026, 5:54 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Non-Invasive Imaging of the Human Eye

NCT02432898
View directory record Official record
Conditions
Willing and Able Subjects for Ocular Imaging
Interventions
3D OCT-1, 3D OCT-2000, DRI OCT-1, NW-300, CT-1P, TRK-2P, SP-1P, SL-D701, MC-4S
Device
Lead sponsor
Topcon Medical Systems, Inc.
Industry
Eligibility
18 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Oakland, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 7, 2022 · Synced Sep 5, 2026, 5:54 AM EDT
Completed No phase listed Observational

Neuroimaging and Neurovision Rehabilitation of Oculomotor Dysfunction in Mild Traumatic Brain Injury

NCT02771106
View directory record Official record
Conditions
Traumatic Brain Injury, Vision Difficulty
Interventions
neuro vision rehabilitation
Other
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
16 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Evaluation of Efficacy of Ophthalmic Solution in Induced Allergic Conjunctivitis

NCT00244543
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
R89674 (generic name not yet established)
Drug
Lead sponsor
Vistakon Pharmaceuticals
Industry
Eligibility
10 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
North Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 26, 2011 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Not applicable Interventional Results available

SENSIMED Triggerfish Safety and Tolerability

NCT01319617
View directory record Official record
Conditions
Glaucoma
Interventions
SENSIMED Triggerfish
Device
Lead sponsor
Sensimed AG
Industry
Eligibility
18 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2013 · Synced Sep 5, 2026, 5:54 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Instrument for Glaucoma Early Detection and Monitoring

NCT00578110
View directory record Official record
Conditions
Glaucoma
Interventions
Glaucoma Diagnosis, Name: Neucodia
Device
Lead sponsor
Synabridge Corporation
Industry
Eligibility
40 Years to 75 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
5
States / cities
Birmingham, Alabama • New Haven, Connecticut • Raritan, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2010 · Synced Sep 5, 2026, 5:54 AM EDT
Not listed Phase 1Phase 2 Interventional

Single Ascending Dose Study in Participants With LCA10

NCT03872479
View directory record Official record
Conditions
Leber Congenital Amaurosis 10, Inherited Retinal Dystrophies, Eye Diseases, Hereditary, Retinal Disease, Retinal Degeneration, Vision Disorders, Eye Disorders Congenital
Interventions
EDIT-101
Drug
Lead sponsor
Editas Medicine, Inc.
Industry
Eligibility
3 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
5
States / cities
Miami, Florida • Boston, Massachusetts • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2022 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Not applicable Interventional

Auditory Neural Function in Implanted Patients With Usher Syndrome

NCT04906135
View directory record Official record
Conditions
Usher Syndrome, Cochlear Implantation
Interventions
Experimental manipulation of stimulation parameters
Other
Lead sponsor
Ohio State University
Other
Eligibility
1 Year to 85 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
4
States / cities
Boston, Massachusetts • Columbus, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Results available

2nd Study to Assess ISV-305 Compared to Vehicle for Treatment of Inflammation and Pain Associated With Cataract Surgery

NCT03192150
View directory record Official record
Conditions
Inflammation and Pain Associated With Cataract Surgery
Interventions
ISV-305, Vehicle
Drug · Other
Lead sponsor
Sun Pharmaceutical Industries Limited
Industry
Eligibility
17 Years and older
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Sep 5, 2026, 5:54 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Evaluating Injection With the Use of Brimonidine Tartrate Ophthalmic 0.025% on Patients Using Netarsudil 0.02%/Latanoprost 0.005% to Treat Glaucoma

NCT07209410
View directory record Official record
Conditions
Glaucoma
Interventions
Brimonidine Tartrate Ophthalmic 0.025%
Drug
Lead sponsor
Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Nyxol (0.75% Phentolamine Ophthalmic Solution) in Subjects With Dim Light Vision Disturbances

NCT04638660
View directory record Official record
Conditions
Dim Light Vision Disturbances
Interventions
Phentolamine Ophthalmic Solution 0.75%, Phentolamine Ophthalmic Solution Vehicle (Placebo)
Drug
Lead sponsor
Ocuphire Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
17
States / cities
Newport Beach, California • Petaluma, California • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Not applicable Interventional

Intervention Trial in Early Age-related Macular Degeneration

NCT01694680
View directory record Official record
Conditions
Age-related Macular Degeneration (AMD)
Interventions
Lutein-enriched-egg beverage (NWT-02), Placebo
Dietary Supplement
Lead sponsor
Newtricious R&D BV
Industry
Eligibility
50 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 20, 2016 · Synced Sep 5, 2026, 5:54 AM EDT
Completed Phase 4 Interventional

Study of the Intraocular Pressure (IOP)-Lowering Efficacy of Azopt 1.0% Compared to Timolol 0.5% in Patients With Glaucoma or Ocular Hypertension

NCT00300079
View directory record Official record
Conditions
Primary Open Angle Glaucoma, Ocular Hypertension
Interventions
brinzolamide 1.0%
Drug
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Sep 5, 2026, 5:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sight and Hearing Investigation Into Effects on Delirium

NCT06176625
View directory record Official record
Conditions
Hearing Loss, Hearing Loss, Age-Related, Hearing Disability, Delirium, Delirium in Old Age, Delirium of Mixed Origin, Delirium With Dementia, Delirium on Emergence, Delirium, Cause Unknown, Delirium Superimposed on Dementia, Delirium Confusional State, Delirium;Non Alcoholic, Hearing Loss, Bilateral, Hearing Loss, Sensorineural, Hearing Loss, Functional, Hearing Loss, High-Frequency, Hearing
Interventions
Communication Signage, Amplifier Use
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
65 Years and older
Enrollment
1,543 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 5, 2026, 5:54 AM EDT