Clinical trials: Corneal Disease
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
Keratoconus
Evaluate the Safety and Feasibility of Same-Day Bilateral Epithelium-On Corneal Cross-Linking for Keratoconus
Clinical trial to evaluate the safety and feasibility of corneal cross-linking in both eyes on the same day in subjects with keratoconus.
- Trial name
- NCT07629557
- Testing
- Riboflavin Ophthalmic Solutions, UV-A Irradiation System
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Glaukos Corporation
Corneal Transplantation
Prospective Study of Deep Anterior Lamellar Keratoplasty Using Acellular Porcine Cornea
The performance of keratoplasty is hampered by the limited availability of donor cornea in many countries, especially in Asia. For this reason, attempts have been made to fabricate artificial substitutes for natural human cornea.
- Trial name
- NCT03105466
- Testing
- Deep anterior lamellar keratoplasty, Acellular Porcine Cornea, Tacrolimus eye drops
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Cataract, Glaucoma
Potential Research Participants for Future Studies of Inherited Eye Diseases
This study will evaluate potential candidates for future clinical research studies related to diagnosed or undiagnosed genetic eye disorders or diseases.
- Conditions
- Cataract, Glaucoma, Retinitis Pigmentosa, Macular Degeneration
- Trial name
- NCT00559234
- Where
- United States
- Volunteers
- 400 people
- Sponsor
- National Eye Institute (NEI)
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
Keratoconus, Unstable, Bacterial Keratitis
Safety and Effectiveness of the PXL-Platinum 330 System for Corneal Cross-Linking
To determine whether the Peschke PXL-330 system is safe and effective in the treatment of corneal thinning conditions.
- Conditions
- Keratoconus, Unstable, Bacterial Keratitis, Ectasia of Cornea
- Trial name
- NCT03918408
- Testing
- PXL-330 Platinum device for crosslinking with Peschke ribofflavin solution
- Where
- United States
- Volunteers
- 300 people
- Sponsor
- Pacific Clear Vision Institute
Corneal Ectasia, Keratoconus
Safety and Effectiveness of the PXL-Platinum 330 System
To evaluate the safety and effectiveness of the PXL Platinum 330 system for performing corneal cross-linking (CXL) for the treatment of ectatic disorders.
- Conditions
- Corneal Ectasia, Keratoconus, Pellucid Marginal Corneal Degeneration
- Trial name
- NCT04401865
- Testing
- PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
- Where
- 3 sites in United States
- Volunteers
- 300 people
- Sponsor
- Colorado Eye Consultants/Cornea Consultants of Colorado
Keratoconus, Ectasia
Collagen Crosslinking With Ultraviolet-A in Asymmetric Corneas
To evaluate the efficacy of ultraviolet-A (UVA)-induced cross-linking of corneal collagen (CXL) as a method to increase the biomechanical and biochemical stability of the cornea by inducing additional cross-links within or…
- Conditions
- Keratoconus, Ectasia, Degeneration
- Trial name
- NCT01024322
- Testing
- Ciprofloxicine or Vigamox or other., Nonsteroidal (Acular, Voltaren Xibrom, etc), Steroid (FML, Pred Forte, Flarex, etc.)
- Where
- 3 sites in United States
- Volunteers
- 1,189 people
- Sponsor
- Cxlusa
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.
Retinal Disease, Corneal Disease
Tissue Studies of Human Eye Diseases
The purpose of this project is to diagnose and evaluate ocular and related tissues with various diseases such as conjunctival, corneal, uveal, vitreoretinal and optic nerve disorders, ocular degenerative, metabolic or genetic…
- Conditions
- Retinal Disease, Corneal Disease, Diabetic Retinopathy, Uveitis
- Trial name
- NCT00001310
- Where
- United States
- Volunteers
- 3,833 people
- Sponsor
- National Eye Institute (NEI)
Vernal Keratoconjunctivitis
Evaluation of Central Corneal Thickness in Patients With Vernal Keratoconjunctivitis Using Topical Steroids
This prospective observational cohort study aims to assess changes in central corneal thickness (CCT) in vernal keratoconjunctivitis (VKC) patients using topical steroids.
- Trial name
- NCT06913790
- Where
- Pakistan
- Volunteers
- 34 people
- Sponsor
- Superior University
Corneal Opacities
Corneal Opacities in Children
A prospective observational study on corneal opacities in infants and children (1 month to 18 years old) will be conducted at CHLA. Most of these cases will be due to congenital corneal opacity (e.g.
- Trial name
- OCT (NCT02117323)
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Oregon Health and Science University
Keratoconus
Risk Factors and Progression of Keratoconus
Primary objective : Description of keratoconus at baseline and during progression in 200 participants followed by the ophthalmology departments of CHU Montpellier, CHU Bordeaux and CHU Toulouse during a 2-year period.
- Trial name
- FRPK (NCT05676580)
- Testing
- cross-linking surgery or intra corneal ring, abstention
- Where
- France
- Volunteers
- 200 people
- Sponsor
- University Hospital, Montpellier
Keratoconus
Safety and Efficacy of Corneal Collagen Cross-Linking in Eyes With Keratoconus
The objectives of this study are to evaluate the safety and efficacy of corneal collagen cross-linking performed with VibeX (riboflavin ophthalmic solution) and the KXL System as compared to placebo in impeding the progression…
- Trial name
- NCT01972854
- Testing
- riboflavin solution, KXL System
- Where
- 11 sites in United States
- Volunteers
- 92 people
- Sponsor
- Glaukos Corporation
Acanthamoeba Keratitis
Parasitic Ulcer Treatment Trial Pilot
This is a study of optimal treatments for acanthamoeba keratitis. In the first part of the study, participants will be randomized to chlorhexidine monotherapy or chlorhexidine plus povidone iodine.
- Trial name
- NCT03484507
- Testing
- Chlorhexidine, Povidone-Iodine, Prednisolone Sodium Phosphate
- Where
- 2 sites in India
- Volunteers
- 49 people
- Sponsor
- University of California, San Francisco
Mucopolysaccharidoses
Validation and Reliability of Iris Cameras in Mucopolysaccharidoses
To assess the reliablity and validity of 2 new iris cameras in the assement of corneal opacification in mucopolysaccharidoses
- Trial name
- NCT05354219
- Testing
- Imaging
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Manchester University NHS Foundation Trust
Myopia, Astigmatism
Toric Orthokeratology - Slowing Eye Elongation
The aims of this study are to investigate the effects of ortho-k for astigmatic and myopic reduction and myopic control in children, and the long term effects on corneal curvatures and biomechanics.
- Trial name
- TO-SEE (NCT00978692)
- Testing
- Toric Orthokeratology lenses, Single-vision spectacles
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Atopic Keratoconjunctivitis
An Efficacy and Safety Study of DFL24498 in the Treatment of AKC
This is a phase 3, multicenter, randomized, double-masked, parallel-group, vehicle-controlled study to evaluate the safety and efficacy of DFL24498 compared with vehicle ophthalmic solution, in participants with AKC.
- Trial name
- NCT07395232
- Testing
- DFL24498, Vehicle, dexamethasone sodium phosphate (DSP) ophthalmic solution
- Where
- 19 sites in United States, Italy and 1 more
- Volunteers
- 153 people
- Sponsor
- Dompé Farmaceutici S.p.A