Clinical trials: Corneal Diseases
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
Glaucoma
The Aim of This Study is to Investigate the Correlation Between the Severity of Glaucoma and Corneal Biomechanics as Well as Anterior Chamber Parameters.
The ocular biomechanical differences between the normal control group and primary glaucoma patients, including those treated with conventional medication, laser therapy, and surgery, were compared.
- Trial name
- NCT06340061
- Testing
- Observational study
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Henan Provincial People's Hospital
Corneal Opacity
Characteristics of Trachomatous Corneal Opacity in Fayoum University Hospital
The purpose of this study is to assess the characteristics of trachomatous corneal opacity in patients with signs of trachoma using Anterior segment Optic coherence tomography and Pentacam
- Trial name
- Trachoma (NCT06000150)
- Testing
- Corneal topography
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Omar Said
Mucopolysaccharidosis, Fabry Disease
Non-invasive Assessment of Intraocular Pressure in MPS by Use of the Ocular Response Analyzer.
The aim of the present study is to compare intraocular pressure (IOP) values assessed with Ocular Response Analyzer to the classical gold standard of IOP measurement, to Goldmann applanation tonometry by mucopolysacchyridosis…
- Trial name
- MPSORA (NCT01695161)
- Where
- Germany
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Johannes Gutenberg University Mainz
Corneal Wavefront Aberration, SARS-CoV-2
Changes of Optical Quality During the Peak of the Covid-19 Pandemic
To explore whether cornea structure, and optical quality are affected by the covid-19 infection.
- Trial name
- NCT05882383
- Where
- China
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Astigmatism
Diurnal Changes of the Cornea - a Pilot Study
Aim of this study is to gain a better understanding of the diurnal changes of the cornea to improve toric IOL power calculations.
- Trial name
- NCT02155556
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Prim. Prof. Dr. Oliver Findl, MBA
Fuchs Endothelial Corneal Dystrophy
Analysis of the Genotype/Phenotype Relationship in the Fuchs' Corneal Endothelial Dystrophy in France.
The pathophysiology of the most common corneal endothelial dystrophies (Fuchs' Corneal Endothelial Dystrophy (FECD)) is beginning to be dismembered.
- Trial name
- F3S (NCT03974230)
- Testing
- Collection of datas, blood sample, slit lamp examination
- Where
- France
- Volunteers
- 208 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Keratoconus
Thyroid Gland Dysfunction and Vitamin D Polymorphism in Keratoconus
This prospective study the thyroid gland dysfunction and vitamin D receptor polymorphism in keratoconus patients
- Trial name
- NCT05073601
- Testing
- ELISA,DNA extraction
- Where
- Egypt
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Trachoma, Lymphatic Filariasis
Safety Study of Combined Azithromycin, Ivermectin and Albendazole for Trachoma and Lymphatic Filariasis
Trachoma and lymphatic filariasis (LF) are two 'Neglected Tropical Diseases' (NTDs), infectious diseases that affect millions of poor people in countries in the developing world.
- Trial name
- AZIVAL2 (NCT01903057)
- Testing
- azithromycin, ivermectin, albendazole
- Where
- Mozambique
- Volunteers
- healthy volunteers welcome
- Sponsor
- Emory University
Trachoma
Water Uptake for Health in Amhara Pilot
Trachoma is a blinding disease caused by ocular strains of Chlamydia trachomatis. The Carter Center and Proctor Foundation have been jointly conducting trachoma research in the Goncha Siso Enese woreda of Amhara for the past 8…
- Trial name
- WUHA (NCT02373657)
- Testing
- instruction in soap-making and hygiene education
- Where
- Ethiopia
- Volunteers
- 4,068 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Refractive Errors
Corneal Flap Thickness Planed vs Measured After LASIK by Using Tree Different Systems Cut
Determine the flap thickness created by femtosecond laser or a mechanical microkeratome using in vivo confocal microscopy and compare measured versus intended flap thickness.
- Trial name
- NCT00558324
- Testing
- LASIK
- Where
- Mexico
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Asociación para Evitar la Ceguera en México
Presbyopia
A Clinical Trial to Evaluate a Corneal Inlay for the Improvement of Near Vision in Presbyopic Patients
This study will be a prospective, multicenter clinical trial in which a total of 400 subjects will be enrolled. All subjects will be followed over a 36 month time frame with a maximum of 15 clinical sites participating.
- Trial name
- NCT01373580
- Testing
- The Raindrop Near Vision Inlay
- Where
- 11 sites in United States
- Volunteers
- 373 people, healthy volunteers welcome
- Sponsor
- ReVision Optics, Inc.
Fuch's Dystrophy, Corneal Disorders
Novel Diagnostics With Optical Coherence Tomography: Imaging the Anterior Eye
The purpose of this research is to evaluate the optical coherence tomography (OCT), to image diseases of the eye. OCT may be useful for the early diagnosis and monitoring of a variety of diseases involving the eye, such as Fuch's…
- Conditions
- Fuch's Dystrophy, Corneal Disorders, Prior Surgery
- Trial name
- NCT00343473
- Where
- 2 sites in United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Cataract, Healthy Eye
The Heidelberg Engineering ANTERION Anterior Segment Cornea and IOL Precision and Agreement Study
This is a prospective clinical study that will be conducted at one clinical site located in the United States to assess anterior segment parameters with the ANTERION
- Conditions
- Cataract, Healthy Eye, Cornea Abnormality, Post-Keratorefractive Surgery
- Trial name
- NCT04130490
- Testing
- ANTERION
- Where
- United States
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Heidelberg Engineering GmbH
Limbal Stem Cell Deficiency
Cultivated Autologous Oral Mucosal Epithelial Transplantation
Earlier protocol for cultivated oral mucosal epithelial transplantation (COMET) requires trypsin/EDTA to isolate epithelial cells from tissue, and uses murine 3T3 cells as feeder cells, which results in biosafety concern.
- Trial name
- NCT03943797
- Testing
- Cultivated oral mucosal epithelial cell transplantation
- Where
- Taiwan
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Rare Diseases, Aniridia
Validation of Human Drugs Target of Repurposed Drugs and Novel Therapies
The cross-sectional observational clinical study related to rare eye diseases is a multi-center study in which the hypothesis is that neurokinin 1 receptor and/or substance P expression is increased in REDs associated with…
- Conditions
- Rare Diseases, Aniridia, Neurotrophic Keratopathy, Limbal Stem Cell Deficiency
- Trial name
- NCT06412718
- Volunteers
- 274 people, healthy volunteers welcome
- Sponsor
- IRCCS Ospedale San Raffaele
Presbyopia
Safety and Efficacy of an Intrastromal Transform™ Corneal Allograft (TCA) for Presbyopia Correction
The objective of this clinical study is to evaluate the safety and effectiveness of intrastromal implantation of the Allotex TransForm corneal allograft (TCA) for improving near vision in presbyopic subjects.
- Trial name
- NCT03671135
- Testing
- TCA Intrastromal Inlay
- Where
- 4 sites in Belgium, Ireland and 1 more
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Allotex, Inc.
Corneal Edema Secondary to Corneal Endothelial Dystrophy
Early Experience With Descemet's Stripping Automated Endothelial Keratoplasty
The purpose of this study is to report the early clinical outcomes in patients undergoing Descemet's Stripping Automated Endothelial Keratoplasty (DSAEK) for corneal edema secondary to corneal endothelial cell dysfunction, and to…
- Trial name
- DSAEK (NCT00744796)
- Testing
- DSAEK, Anterior Segment Optical Coherence Topography (OCT), Best Spectacle Corrected Visual Acuity (BSCVA)
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Keratoconjunctivitis Sicca, Xeropthalmia
Acupuncture Treatment of Dry Eye
The purpose of this study is to determine the safety and efficacy of acupuncture in the treatment of moderate to severe dry eye by replicating the study design of the previous protocol and to see the study through to its…
- Trial name
- NCT00554879
- Testing
- Acupuncture
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Walter Reed Army Medical Center
Keratoconus
Changes in the Tear Film With Scleral Contact Lens Wear for Keratoconic Eyes
The purpose of this study is to investigate changes in the level of inflammatory mediators in the tear film of scleral contact lens wearers in a keratoconic population.
- Trial name
- NCT02806921
- Testing
- ZenLens
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Waterloo