Clinical trials: Corneal Degeneration
Multiple Sclerosis, Relapsing-Remitting, Multiple Sclerosis Relapse
Evaluation of Relapse Presence in Multiple Sclerosis
Purpose: This study aims to investigate the demonstrability of increased inflammation and neurodegeneration in multiple sclerosis (MS) patients in relapse period compared to MS patients in remission by cross-sectional analysis of…
- Trial name
- NCT05218317
- Testing
- in-vivo Corneal Confocal Microscopy
- Where
- Turkey (Türkiye)
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Marmara University
Pellucid Marginal Corneal Degeneration, Keratoconus
A Study to Test the Potential of Brillouin Microscopy for Biomechanical Properties Measurements in Human Cornea
The purpose of this research study is to find out if the new Brillouin Ocular Scanner can measure the variation (difference) of the corneal elastic changes involved in the onset of corneal ectasia, induced by LASIK surgery and…
- Conditions
- Pellucid Marginal Corneal Degeneration, Keratoconus, Keratectasia
- Trial name
- NCT03220529
- Testing
- Brillouin Ocular Scanner
- Where
- 2 sites in United States, Switzerland
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Keratoconus, Ectasia
Progressive Keratoconus or Ectasia Treatment Plan
Keratoconus and pellucid marginal degenerations are genetically based ocular conditions and post surgical ectasia is an iatrogenic condition.
- Trial name
- NCT01384773
- Testing
- Riboflavin Solution, UV-X Illumination System
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Stephen Trokel
Corneal Diseases
Screening Aid to Identify Corneas That May Have Pathologies or Other Conditions
The purpose of this study is to determine the ability of a proprietary software screening tool to discriminate normal corneas (front surface of the eye) from previously diagnosed corneal conditions…
- Trial name
- NCT00396188
- Where
- 4 sites in United States
- Volunteers
- 769 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec, Inc.
Retinitis Pigmentosa, Maculopathy, Age Related
High Resolution, High-speed Multimodal Ophthalmic Imaging
Knowledge of the pathogenesis of ocular conditions, a leading cause of blindness, has benefited greatly from recent advances in ophthalmic imaging.
- Conditions
- Retinitis Pigmentosa, Maculopathy, Age Related, Macular Dystrophy, Macular Edema
- Trial name
- IMA-MODE (NCT04129021)
- Testing
- High-resolution retinal imaging through adaptive optics, High-resolution retinal imaging through holographic systems
- Where
- France
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Corneal Deformity, Macular Degeneration Advanced
Comparison of Ocular Changes by Surgical Menopause Using Optical Coherence Tomography (OCT)
The aim of this study is to investigate the early changes in macular thickness, corneal thickness and intraocular pressure in young women undergoing surgical menopause.
- Conditions
- Corneal Deformity, Macular Degeneration Advanced, Surgical Menopause
- Trial name
- NCT05920655
- Testing
- Optic coherence tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Batman Training and Research Hospital
Keratoconus, Pellucid Marginal Corneal Degeneration
Safety & Effectiveness of the PXL-Platinum 330 System for CXL Using Riboflavin Solution
Safety and Effectiveness of the PXL-Platinum 330 System for Corneal Collagen Cross-linking in Eyes With Corneal Thinning Conditions
- Conditions
- Keratoconus, Pellucid Marginal Corneal Degeneration, Corneal Degeneration, Corneal Ectasia
- Trial name
- NCT04667572
- Testing
- PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
- Where
- United States
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- Cornea Associates of Texas
Hypotony Ocular, Cornea Folds and Rupture of Bowman's Membrane Both Eyes
Anterior Corneal Striae in Hypotony
The goal of this is to evaluate the biomechanical properties of hypotonous eyes with vertical anterior corneal striae and/or hypotony maculopathy compared to hypotonous eyes without striae.
- Conditions
- Hypotony Ocular, Cornea Folds and Rupture of Bowman's Membrane Both Eyes, Maculopathy
- Trial name
- NCT04023123
- Testing
- Ophthalmic imaging
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Duke University
Keratoconus, Irregular Astigmatism
Wavefront Guided Scleral Lenses for Keratoconus and Irregular Astigmatism
Aberrations are the spreading of light from a point focus. Aberrations of the eyes can be objectively evaluated with a wavefront aberrometer.
- Conditions
- Keratoconus, Irregular Astigmatism, Corneal Ectasia, Aberration, Corneal Wavefront
- Trial name
- WFG Sclerals (NCT04698590)
- Testing
- Wavefront Guided Scleral Lenses, Traditional Scleral Lenses
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Cornea and Laser Eye Institute
Uveitis, Conjunctivitis
Ocular Manifestations in Rheumatic Diseases
This is a search strategy for determining the prevalence of ocular complications in inflammatory rheumatic diseases for the purposes of a meta analysis.
- Conditions
- Uveitis, Conjunctivitis, Keratoconjunctivitis Sicca, Xerophthalmia
- Trial name
- NCT03753893
- Testing
- No intervention used
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Macular Degeneration, Diabetic Retinopathy (DR)
Artificial Intelligence-assisted Diagnosis in Ophthalmology
This is a retrospective, multicenter, observational study designed to develop and validate an artificial intelligence (AI) system capable of detecting and classifying major ophthalmic diseases (glaucoma, cataract, diabetic…
- Conditions
- Macular Degeneration, Diabetic Retinopathy (DR), Glaucoma, Keratoconus
- Trial name
- AI-OPHTH-CR (NCT07497815)
- Testing
- No interventions
- Where
- 2 sites in Costa Rica
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- Marisse Masis-Solano
Keratoconus, Ocular Surface Disease
Pilot Study to Investigate the Feasibility, Reliability and Efficacy of Utilizing OCT to Automate PROSE Fitting
EYEdeal Scanning Technology enables rapid measurement of corneal and scleral topography. By accurately measuring the ocular surface with this imaging technology, the current iterative fitting method required to fit PROSE…
- Conditions
- Keratoconus, Ocular Surface Disease, Pellucid Marginal Corneal Degeneration, Ectasia
- Trial name
- NCT04649177
- Testing
- Ocular surface optical coherence tomography
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Boston Sight
Corneal Epithelial Degeneration
Dose Escalation TTHX1114 Ophthalmic Solution
Dose escalation 3+3 design with accelerated titration 4 dose levels
- Trial name
- EPI (NCT05769920)
- Testing
- TTHX1114(NM141) Ophthalmic Solution
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Trefoil Therapeutics, Inc.
Irregular; Contour of Cornea, Keratoconus
Scleral Versus Corneal RGP Contact Lenses in Irregular Cornea Disorders
The most common causes for irregular cornea (IC) in hospital contact lens practice are Keratoconus (KC) and related cornea thinning disorders.
- Conditions
- Irregular; Contour of Cornea, Keratoconus, Pellucid Marginal Corneal Degeneration, Injury of Cornea
- Trial name
- NCT02444923
- Testing
- Scleral rigid gas permeable contact lenses (SRGPcl) (Zenlens™), Corneal Rigid gas Permeable contact lenses (CRGPcl) (Rose K2)
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- London South Bank University
Corneal Sensation Reduced, Corneal Dystrophy
Defining the Operating Parameters for a Rebound-esthesiometer
The purpose of this study is to define the operating parameters for a new method to measure corneal sensitivity.
- Conditions
- Corneal Sensation Reduced, Corneal Dystrophy, Corneal Degeneration, Corneal Transplant Failure
- Trial name
- NCT04384094
- Testing
- Esthesiometer measurement
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Icare Finland Oy
Corneal Dystrophy, Macular Dystrophy
The Efficacy of Hyperemesis Gravidarum on Macular Thickness, Corneal Thickness and Intraocular Pressure in Pregnancy
Aim Physiological changes in intraocular pressure as well as in the cornea and macula may occur during pregnancy. In the literature, there are limited data on ocular findings in hyperemesis gravidarum.
- Conditions
- Corneal Dystrophy, Macular Dystrophy, Hyperemesis Gravidarum - Severe
- Trial name
- NCT05927740
- Testing
- Optic coherence tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Batman Training and Research Hospital
Glaucoma, Macular Disease
CEI Van Outreach Screening Study
The primary goal of the trial is to show that optical coherence tomography (OCT) technology can be used to effectively screen for diseases of the eye including glaucoma, macular diseases and keratoconus.
- Conditions
- Glaucoma, Macular Disease, Keratoconus
- Trial name
- NCT01510392
- Testing
- OCT imaging, the FDA Cleared iVue
- Where
- United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Macular Dystrophy, Corneal
Phase 1 Pilot Study of 4-MP to Treat Stargardt Macular Dystrophy
The purpose of this study is to investigate whether taking 4-methylpyrazole (4-MP, fomepizole, Antizol™) inhibits dark adaptation of the eye.
- Trial name
- NCT00346853
- Testing
- 4-Methylpyrazole, saline
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Utah
Cornea, Retina
Spectral-domain Optical Coherence Tomography of the Eye
An increasing number of clinical studies on SD-OCT of ocular pathologies and potential new clinical applications has recently been published in the peer-reviewed literature.
- Conditions
- Cornea, Retina, Refractive Surgery, Macular Edema
- Trial name
- NCT02614625
- Where
- Austria
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Augenabteilung Allgemeines Krankenhaus Linz