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Showing 1–24 of 146 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 3 Interventional

Patient Assessment of Topical Anesthetic Effectiveness for Intravitreal Injections

NCT01027611
View directory record Official record
Conditions
Pain
Interventions
proparacaine HCL 0.5%, proparacaine HCL 0.5% + 4% lidocaine solution, 3.5% viscous lidocaine gel
Drug
Lead sponsor
Illinois Retina Associates
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Joliet, Illinois
Source: ClinicalTrials.gov public record
Updated May 3, 2010 · Synced Jun 10, 2026, 3:37 AM EDT
Recruiting Phase 2 Interventional

Assessment of Clemastine Fumarate as a Remyelinating Agent in Acute Optic Neuritis (ReCOVER)

NCT02521311
View directory record Official record
Conditions
Optic Neuritis
Interventions
Clemastine, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Evaluate the TetraLens, a Tetracaine Releasing Therapeutic Bandage Contact Lens in Patients Undergoing PRK Procedure

NCT06085352
View directory record Official record
Conditions
Ocular Pain
Interventions
TetraLens bandage contact lens, Control Acuvue Oasys Bandage contact Lens
Drug · Device
Lead sponsor
Vance Thompson Vision
Other
Eligibility
22 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Jun 10, 2026, 3:37 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Outcomes Mandate National Integration With Cannabis as Medicine

NCT03944447
View directory record Official record
Conditions
Chronic Pain, Chronic Pain Syndrome, Chronic Pain Due to Injury, Chronic Pain Due to Trauma, Fibromyalgia, Seizures, Hepatitis C, Cancer, Crohn Disease, HIV/AIDS, Multiple Sclerosis, Traumatic Brain Injury, Sickle Cell Disease, Post Traumatic Stress Disorder, Tourette Syndrome, Ulcerative Colitis, Glaucoma, Epilepsy, Inflammatory Bowel Diseases, Parkinson Disease, Amyotrophic Lateral Sclerosis, Chronic Traumatic Encephalopathy, Anxiety, Depression, Insomnia, Autism, Opioid-use Disorder, Bipolar Disorder, Covid19, SARS-CoV Infection, COVID-19, Corona Virus Infection, Coronavirus
Interventions
Cannabis, Medical, RYAH-Medtech Inhaler
Drug · Device
Lead sponsor
OMNI Medical Services, LLC
Network
Eligibility
7 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
17
States / cities
Boca Raton, Florida • Bradenton, Florida • Fort Lauderdale, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Post Photorefractive Keratectomy (PRK) Use of an Eye Shield for Maintaining Vision and Mitigating Pain

NCT01592643
View directory record Official record
Conditions
Pain, Vision Nearsighted
Interventions
Eye Shield
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Dec 21, 2021 · Synced Jun 10, 2026, 3:37 AM EDT
Terminated Not applicable Interventional Results available

Methadone, Morphine, or Oxycodone in Treating Pain in Patients With Cancer

NCT00726830
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Lymphoproliferative Disorder, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Pain, Precancerous Condition, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
methadone hydrochloride, morphine sulfate, oxycodone hydrochloride
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Spartanburg, South Carolina • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Jun 10, 2026, 3:37 AM EDT
Terminated Not applicable Interventional Results available

Spectacle Tints and Thin-Films for Migraine

NCT02720211
View directory record Official record
Conditions
Headache Migraine Chronic
Interventions
Gray tinted spectacle lenses, Thin-Film spectacle lenses
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
4
States / cities
Phoenix, Arizona • Boston, Massachusetts • Great Neck, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced Jun 10, 2026, 3:37 AM EDT
Terminated Not applicable Interventional

Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria

NCT00785135
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Phase 2 Interventional Results available

High Frequency Impulse Therapy for Neuropathic Pain in NMOSD

NCT04614454
View directory record Official record
Conditions
Neuromyelitis Optica
Interventions
High Frequency Impulse Therapy, High Frequency Impulse Therapy - Sham
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Phase 2 Interventional Results available

Study to See How Well an Eye Drop, SURF-201, Works and What Side Effects There Are in Cataract Surgery Subjects

NCT04324359
View directory record Official record
Conditions
Post-surgical Ocular Inflammation, Post-surgical Ocular Pain
Interventions
SURF-201, Placebo
Drug
Lead sponsor
Surface Ophthalmics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
10
States / cities
Hemet, California • Murrieta, California • Brooksville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Jun 10, 2026, 3:37 AM EDT
Recruiting Phase 4 Interventional

Does Topical Ophthalmic Proparacaine 0.5% Prior to Probing and Irrigation Decrease Pain?

NCT05663684
View directory record Official record
Conditions
Epiphora, Dacryostenosis, Dacryocystitis
Interventions
Proparacaine Hydrochloride ophthalmic solution, USP 0.5%, Balanced salt solution
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 22, 2022 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Phase 3 Interventional Results available

Clobetasol Propionate Ophthalmic Nanoemulsion 0.05% for the Treatment of Inflammation and Pain Associated With Cataract Surgery (CLOSE-2)

NCT04249076
View directory record Official record
Conditions
Cataract
Interventions
Clobetasol Propionate, Vehicle
Drug
Lead sponsor
Salvat
Industry
Eligibility
18 Years and older
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
18
States / cities
Sun City, Arizona • Hemet, California • Inglewood, California + 15 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2022 · Synced Jun 10, 2026, 3:37 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Eye Tracking as a Biomarker of Cannabis Effects

NCT04100590
View directory record Official record
Conditions
Cannabis Use, Pain, Acute
Interventions
Cannabis
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Handheld Vibrator Versus Topical Eye Drops as Anesthesia for Intravitreal Injections

NCT03079713
View directory record Official record
Conditions
Pain Control During Intravitreal Injections
Interventions
Handheld vibrator triggered during intravitreal injection for wet ARMD, Normal eye esthesiometry with and without vibration, Handheld vibrator not triggered during intravitreal injection for wet ARMD
Device
Lead sponsor
Wills Eye
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2019 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Phase 2 Interventional Results available

Phase II Study Evaluating Safety/Efficacy of OTX-DP for Treatment of Ocular Inflammation and Pain After Cataract Surgery

NCT01666210
View directory record Official record
Conditions
Ocular Inflammation and Pain
Interventions
OTX-DP (Dexamethasone punctum plug), Placebo Vehicle Punctum Plug
Drug
Lead sponsor
Ocular Therapeutix, Inc.
Industry
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Hoffman Estates, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 18, 2021 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

"Eye Protection After Mydriatic Use for ROP Screening: Impact on Vitals Signs and Pain Scores"

NCT01860534
View directory record Official record
Conditions
Light Sensitivity
Interventions
eye covers
Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
Not listed
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2016 · Synced Jun 10, 2026, 3:37 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Neurolens Convergence Insufficiency Study

NCT05087563
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Jun 10, 2026, 3:37 AM EDT
Terminated Phase 3 Interventional Results available

Mapracorat Ophthalmic Suspension, 3% for the Treatment of Ocular Inflammation Following Cataract Surgery

NCT01298752
View directory record Official record
Conditions
Inflammation, Pain, Cataract
Interventions
Mapracorat, Vehicle
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Idiopathic Intracranial Hypertension Treatment Trial

NCT01003639
View directory record Official record
Conditions
Idiopathic Intracranial Hypertension
Interventions
Acetazolamide, Placebo, Formal weight loss counselling program
Drug · Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 60 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • Waterbury, Connecticut + 31 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Phase 4 Interventional Results available

Intracanalicular Dexamethasone Insert for Post-Corneal Cross-Linking Inflammation and Pain- The LINK Study

NCT04168112
View directory record Official record
Conditions
Keratoconus, Unstable, Collagen Crosslinking, Postoperative Pain
Interventions
Dextenza, Prednisolone Acetate
Drug
Lead sponsor
Sight Medical Doctors PLLC
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Babylon, New York
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Phase 3 Interventional Results available

Loteprednol Etabonate Ophthalmic Gel for the Treatment of Ocular Inflammation and Pain Following Cataract Surgery

NCT02208297
View directory record Official record
Conditions
Inflammation, Pain, Cataract
Interventions
Loteprednol Etabonate Gel (BID), Vehicle Gel (BID)
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Jun 10, 2026, 3:37 AM EDT
Terminated Phase 3 Interventional

Study Evaluating the Efficacy and Safety of OCS-01 Eye Drops in Subjects Following Cataract Surgery

NCT06128369
View directory record Official record
Conditions
Inflammation Eye, Pain, Postoperative, Cataract
Interventions
Dexamethasone Ophthalmic Suspension, Vehicle of OCS-01
Drug · Other
Lead sponsor
Oculis
Industry
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
12
States / cities
Inglewood, California • Morrow, Georgia • Louisville, Kentucky + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Phase 3 Interventional Results available

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

NCT03192137
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
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Jun 10, 2026, 3:37 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Cool vs Room-temperature Artificial Tears

NCT05832996
View directory record Official record
Conditions
Diabetic Retinopathy With Macular Edema of Both Eyes (Diagnosis), Central Retinal Vein Occlusion With Macular Edema, Exudative Age-Related Macular Degeneration, Unspecified Eye, Cystoid Macular Edema, Ocular Surface Disease, Dry Eye Sensation, Eye Pain
Interventions
Refresh Plus Preservative-free Lubricant Eye Drops
Drug
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 105 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced Jun 10, 2026, 3:37 AM EDT