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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Normal Cornea Clear all
Completed No phase listed Observational

Structure of the Herpes Simplex Virus Receptor

NCT00001648
View directory record Official record
Conditions
Encephalitis, Herpes Simplex, Keratitis, Mouth Disease, Skin Disease
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 7, 2026, 3:26 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Differential Diagnosis of Sjögren's Versus Non-Sjögren's Dry Eye

NCT04493658
View directory record Official record
Conditions
Keratoconjunctivitis Sicca, Dry Eye Syndromes, Ocular Surface Disease, Sjogren's Syndrome
Interventions
Questionnaires, Tear fluid sampling, Impression Cytology
Diagnostic Test
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 4, 2023 · Synced Sep 7, 2026, 3:26 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

OCT Agreement and Crossed Precision Study

NCT02050880
View directory record Official record
Conditions
Glaucoma, Retinal Disease, Corneal Disease
Interventions
Not listed
Lead sponsor
Nidek Co. LTD.
Industry
Eligibility
20 Years and older
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Santa Ana, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 7, 2026, 3:26 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of RTVue in Corneal Measurement

NCT01220193
View directory record Official record
Conditions
Normal Cornea, Post Laser Refractive Surgery, Cornea Pathology, Cataract Surgery
Interventions
Not listed
Lead sponsor
Optovue
Industry
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
San Diego, California • Latham, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2011 · Synced Sep 7, 2026, 3:26 AM EDT
Completed Phase 3 Interventional

Herpetic Eye Disease Study (HEDS) II

NCT00000139
View directory record Official record
Conditions
Keratitis, Herpetic, Ocular Herpes Simplex, Herpes Simplex
Interventions
Stress, Acyclovir
Behavioral · Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1992
U.S. locations
8
States / cities
San Francisco, California • Atlanta, Georgia • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2010 · Synced Sep 7, 2026, 3:26 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

OCT Vibrography for Biomechanical Properties of Tissues

NCT05759780
View directory record Official record
Conditions
Cornea, Skin Diseases, Gingival Diseases
Interventions
Optical imaging of the tissues
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 7, 2026, 3:26 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 7, 2026, 3:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study to Investigate the Feasibility, Reliability and Efficacy of Utilizing OCT to Automate PROSE Fitting

NCT04649177
View directory record Official record
Conditions
Keratoconus, Ocular Surface Disease, Pellucid Marginal Corneal Degeneration, Ectasia, Corneal Trauma, Corneal Scar, Dry Eye Syndromes, Keratoconjunctivitis Sicca, Sjogren's Syndrome
Interventions
Ocular surface optical coherence tomography
Device
Lead sponsor
Boston Sight
Other
Eligibility
21 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Needham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Sep 7, 2026, 3:26 AM EDT
Not listed Not applicable Interventional

Corneal Tissue Inlay for Keratoconus

NCT02649738
View directory record Official record
Conditions
Keratoconus
Interventions
Corneal tissue inlay
Procedure
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 7, 2026, 3:26 AM EDT
Not yet recruiting Phase 4 Interventional

Outcomes of CTAK Surgery

NCT07474870
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
Questionnaire and Physical Exam
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 7, 2026, 3:26 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Use of Cross-linked Donor Corneas as Carriers for the Boston Keratoprosthesis

NCT01582880
View directory record Official record
Conditions
Chemical Injuries, Unspecified Complication of Corneal Transplant, Autoimmune Diseases, Ocular Cicatricial Pemphigoid, Stevens Johnson Syndrome, Lupus Erythematosus, Systemic, Rheumatoid Arthritis, Other Autoimmune Diseases
Interventions
Riboflavin
Drug
Lead sponsor
Joseph B. Ciolino, MD
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 20, 2019 · Synced Sep 7, 2026, 3:26 AM EDT
Completed Phase 3 Interventional

Six Month Clinical Research Study for Patients With Moderate or Severe Dry Eye Syndrome

NCT00025818
View directory record Official record
Conditions
Keratoconjunctivitis Sicca, Sjogren's Syndrome, Lupus Erythematosus, Systemic, Arthritis, Rheumatoid, Scleroderma, Systemic
Interventions
Ophthalmic Emulsion
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years and older
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
17
States / cities
La Jolla, California • Los Angeles, California • Waterbury, Connecticut + 14 more
Source: ClinicalTrials.gov public record
Updated May 29, 2011 · Synced Sep 7, 2026, 3:26 AM EDT
Not listed Phase 1Phase 2 Interventional

Allogeneic ABCB5-positive Limbal Stem Cells for Treatment of LSCD

NCT03549299
View directory record Official record
Conditions
Limbal Stem Cell Deficiency
Interventions
LSC2
Biological
Lead sponsor
RHEACELL GmbH & Co. KG
Industry
Eligibility
18 Years to 85 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Sep 7, 2026, 3:26 AM EDT
Completed No phase listed Observational

AONDA Therapeutic Indication Study I

NCT05891106
View directory record Official record
Conditions
Bullous Keratopathy, Corneal Erosion, Entropion, Corneal Edema, Corneal Dystrophy, Corneal Ulcer, Foreign Body in Cornea, Bell Palsy, Keratoconjunctivitis, Filamentary Keratitis, Sicca Syndrome; Keratoconjunctivitis (Etiology)
Interventions
Lotrafilcon A contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
3
States / cities
Orlando, Florida • Franklin Park, Illinois • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Sep 7, 2026, 3:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Safety of USB005 in Healthy Volunteers

NCT03615196
View directory record Official record
Conditions
Healthy Volunteers
Interventions
USB005 (aclerastide) Ophthalmic Solution, USB005 Ophthalmic Solution Placebo
Drug
Lead sponsor
US Biotest, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Apr 3, 2019 · Synced Sep 7, 2026, 3:26 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Gamma-Irradiated Corneal Inlay for Keratoconus

NCT04895514
View directory record Official record
Conditions
Keratoconus
Interventions
Gamma-irradiated corneal tissue inlay
Procedure
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 13, 2022 · Synced Sep 7, 2026, 3:26 AM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Safety and Efficacy of ECF843 vs Vehicle in Subjects With Dry Eye Disease

NCT04391894
View directory record Official record
Conditions
Dry Eye
Interventions
ECF843, ECF843 vehicle
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
718 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
52
States / cities
Chandler, Arizona • Mesa, Arizona • Phoenix, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Sep 7, 2026, 3:26 AM EDT
Recruiting No phase listed Observational

National Ophthalmic Genotyping and Phenotyping Network (eyeGENE (Registered Trademark)), Stage 3 - Expansion of DNA and Data Repositories for Rare Inherited Ophthalmic Diseases

NCT06491615
View directory record Official record
Conditions
Inherited Ophthalmic Diseases, Hypopigmentation Disorder, Corneal Dystrophy, Blue-cone Monochromacy, Best Disease, Aniridia, Albinism
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
1 Day to 120 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2054
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 7, 2026, 3:26 AM EDT
Recruiting No phase listed Observational

A Natural History Study of Corneal Abrasions in Patients With Dystrophic Epidermolysis Bullosa (DEB)

NCT06563414
View directory record Official record
Conditions
Epidermolysis Bullosa Dystrophica, Epidermolysis Bullosa Dystrophica, Recessive, Epidermolysis Bullosa Dystrophica Dominans
Interventions
Not listed
Lead sponsor
Krystal Biotech, Inc.
Industry
Eligibility
6 Months and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Sep 7, 2026, 3:26 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Dynamic Light Scattering and Keratoscopy for Corneal Examination

NCT00050466
View directory record Official record
Conditions
Corneal Diseases
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 7, 2026, 3:26 AM EDT
Not yet recruiting Not applicable Interventional

A Randomized Clinical Trial of Ex Vivo Corneal Cross-Linking of Donor Keratoplasty Tissue for Keratoconus Used for Keratoplasty in Keratoconus Patients

NCT04584125
View directory record Official record
Conditions
Keratoconus
Interventions
Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146% with UV light, Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146% without UV light
Drug
Lead sponsor
Joseph B. Ciolino, MD
Other
Eligibility
18 Years to 50 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 7, 2026, 3:26 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Heidelberg Engineering ANTERION Corneal Epithelium Thickness Precision and Agreement Study

NCT05051813
View directory record Official record
Conditions
Normal Cornea, Corneal Abnormality
Interventions
ANTERION
Device
Lead sponsor
Heidelberg Engineering GmbH
Industry
Eligibility
22 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Sep 7, 2026, 3:26 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

A Study to Assess Brillouin Hydration Mapping for the Evaluation of Ocular Tissues and Diseases

NCT07780890
View directory record Official record
Conditions
Fuchs Endothelial Corneal Dysfunction, Open Angle Glaucoma (OAG), Dry Eye Disease (DED), Keratoconus, Lasik Eye Surgery
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years to 79 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 7, 2026, 3:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Two Phase Clinical Study of the Impact of Contact Lenses and Solutions on Corneal Structure

NCT00804999
View directory record Official record
Conditions
Normal Contact Lens Wear
Interventions
Clear Care, ReNu, OPTI-FREE
Drug
Lead sponsor
Christine Sindt
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Sep 7, 2026, 3:26 AM EDT