Clinical trials: Corneal Opacities
Corneal Disease, Corneal Opacity
Study to Evaluate the Clinical Safety and Performance of the CorNeat KPro for Treatment of Corneal Blindness
A Single Arm, Pivotal, Open Label, Multicenter Clinical Investigation to Evaluate the Clinical Safety and Performance of the CorNeat Keratoprosthesis, for Treatment of Corneal Blindness
- Conditions
- Corneal Disease, Corneal Opacity, Corneal Injuries
- Trial name
- NCT05694247
- Testing
- CorNeat KPro
- Where
- 6 sites in Canada, France and 2 more
- Volunteers
- 15 people
- Sponsor
- CorNeat Vision Ltd.
Corneal Opacity
Optical Coherence Tomography Guided Transepithelial Phototherapeutic Keratectomy
Optical Coherence Tomography (OCT) machines are non-contact instruments that can measure the depth of scars and other causes of cloudiness in the front of the cornea.
- Trial name
- NCT01243931
- Testing
- OCT-guided laser phototherapeutic keratectomy
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Oregon Health and Science University
Ophthalmopathy, Myopia
Refractive Transepithelial Photo-keratectomy (T-PKR) in High Myopia
The aim of this study is to evaluate the anatomical and refractive parameters following a single-step transepithelial photo-refractive keratectomy (T-PRK) without the addition of mitomycin-C for the treatment of high myopia of 6…
- Conditions
- Ophthalmopathy, Myopia, Keratopathy
- Trial name
- TEPEHERKAHM (NCT04917562)
- Where
- France
- Volunteers
- 38 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
Keratoconus, Corneal Dystrophies
Laser Assisted Procedures in Penetrating Keratoplasty
Laser- assisted procedures in penetrating keratoplasty (PK) are proposed to improve the surgical outcomes: minimally invasive procedures, improved biomechanical stability of the transplanted flap, reduction of rejection risks…
- Conditions
- Keratoconus, Corneal Dystrophies, Corneal Opacity
- Trial name
- NCT02173847
- Testing
- Penetrating keratoplasty, Femtosecond laser, Diode laser
- Where
- Italy
- Volunteers
- 22 people
- Sponsor
- Ospedale Santo Stefano
Leukoma
Safety and Effectiveness of the RHCIII-MPC Biosynthetic Cornea in Patients Requiring Anterior Lamellar Keratoplasty
In this study safety and effectiveness of bioengineered cornea comprising of interpenetrating networks of recombinant human type III collagen and synthetic phospholipid - phosphorylcholine - will be tested in patients with…
- Trial name
- NCT02424006
- Testing
- RHCIII-MPC cornea, Donor cornea
- Where
- India
- Volunteers
- 2 people
- Sponsor
- L.V. Prasad Eye Institute
Limbal Stem Cell Deficiency
Limbal Stem Cell Deficiency (LSCD) Treatment With Cultivated Stem Cell (CALEC) Graft
The main aim of the study is to determine the safety and feasibility of a cultivated autologous limbal epithelial cell (CALEC) transplantation in the treatment of limbal stem cell deficiency.
- Trial name
- CALEC (NCT02592330)
- Testing
- Biopsy to collect limbal epithelial stem cells that will be cultivated into a graft, Cultivation of Limbal epithelial cells into a graft, CALEC Transplant
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Keratoconus
The Effect of Mitomycin C on Corneal Haze and Scarring After Corneal Crosslinking in Keratoconus Patients
Corneal crosslinking (Crosslinking, CXL) is a treatment offered for the stabilization of early corneal ectatic disorders such as keratoconus.
- Trial name
- NCT04811924
- Testing
- Application of 0.02% MMC over 60 seconds post corneal crosslinking., Corneal crosslinking without the application of 0.02% MMC
- Where
- Canada
- Volunteers
- 4 people
- Sponsor
- Ciusss de L'Est de l'Île de Montréal
Corneal Diseases
Dynamic Light Scattering and Keratoscopy for Corneal Examination
This pilot study will examine the usefulness of a new instrument called the Dynamic Light Scattering (DLS) device for documenting and monitoring changes in the cornea, the front part of the eye where contact lenses are placed.
- Trial name
- NCT00050466
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Myopia, Hyperopia
Comparison of Acular LS Versus Nevanac for Pain Control in Eyes Undergoing PRK
To determine the ability of two topical Nonsteroidal Anti-inflammatory drops (Acular LS \& Nevanac) to help control pain following Photorefractive Keratectomy (PRK).
- Trial name
- NCT00347204
- Testing
- ketorolac (Acular LS), Nepafenac (Nevanac)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Center For Excellence In Eye Care
Keratoconus, Corneal Opacity
Femtosecond Laser-assisted Anterior Lamellar Keratoplasty
The purpose of the study is evaluating safety and clinical efficiency of full femtosecond laser-assisted anterior lamellar keratoplasty (FS-ALK) for curing patients with keratoconus and corneal opacities
- Trial name
- NCT02301598
- Testing
- FS-ALK (Femtolaser-assisted anterior lamellar keratoplasty)
- Volunteers
- 13 people
- Sponsor
- The S.N. Fyodorov Eye Microsurgery State Institution
Graft Rejection
Pathogenetic Risk Factors for Corneal Graft Rejection
There are many predictors that may influence the development of corneal graft rejection after penetrating keratoplasty. In our study investigators analysed the results of keratoplasty and the risk factors for graft rejection.
- Trial name
- NCT06281587
- Testing
- penetrating keratoplasty
- Where
- Russia
- Volunteers
- 93 people
- Sponsor
- The S.N. Fyodorov Eye Microsurgery State Institution
Mucolipidosis Type IV
The Natural History of Mucolipidosis Type IV
The purpose of this study is to define the natural history of Mucolipidosis Type IV and identify potential clinical outcome measures.
- Trial name
- NCT01067742
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- Baylor Research Institute
Myopia, Astigmatism
Photorefractive Keratectomy (PRK) : Comparison of Corneal Haze Between Two Modes of De-epithelialisation (Laser Versus Manual Alcohol)
surgical correction of ametropia. A number of improvements have been introduced to overcome the side effects and complications such as corneal haze, epithelial irregularities induced by wound healing, pain and delayed visual…
- Trial name
- H-TransPKR (NCT05072977)
- Testing
- TransPRK, Alcohol PRK
- Where
- France
- Volunteers
- 71 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Vision Disability
Correlation of Scheimpflug Densitometry Measurements of Corneal Haze With Disability Glare
Disability glare is described as "halos" or "starbursts" around bright sources of light that can cause discomfort and reduce vision.
- Trial name
- NCT02244892
- Where
- United States
- Sponsor
- University Hospitals Cleveland Medical Center
Corneal Scarring Fibrosis
Losartan for Corneal Fibrosis
This is a prospective, randomized, double-blinded, controlled clinical trial designed to evaluate the efficacy and safety of topical losartan in improving visual acuity, contrast sensitivity and reducing corneal densitometry…
- Trial name
- NCT07449000
- Testing
- Topical losartan
- Where
- Mexico
- Volunteers
- 46 people
- Sponsor
- Universidad Autonoma de Nuevo Leon
Corneal Opacity
The Use of MMC During PRK and Its Effect on Postoperative Topical Steroid Requirements
1. Purpose To evaluate the use of mitomycin-C (MMC) as an intraoperative adjunct during photorefractive keratectomy (PRK), its effect on postoperative healing and its ability to reduce the postoperative topical steroid course…
- Trial name
- NCT02030990
- Testing
- Mitomycin-C, Fluorometholone 1% topical ocular steroid
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- United States Naval Medical Center, San Diego
Thyroid Disorder, Corneal Opacity
The Effect of Thyroid Hormon Levels on the Corneal Measures
In this cross-sectional comparative study, it is aimed to investigate the topographic measurements,aberrometrics and densitometrics values of corneas in hypothyroid and hyperthyroid patients compared to healthy individuals.
- Trial name
- NCT04752969
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi Gazi Yasargil Training and Research Hospital
Keratitis, Corneal Opacity
Phototherapeutic Keratectomy (PTK) With Mitomycin in Adenoviral Opacities
The present study was designed to evaluate the treatment of adenoviral corneal opacities with PTK and mitomycin C.
- Trial name
- NCT00492245
- Testing
- PTK with mitomycin in Adenoviral Opacities
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Federal University of São Paulo
Glaucoma, Blindness, Acquired
Implantable Intraocular Pressure Sensor for Glaucoma Monitoring in Patients With Boston Keratoprosthesis Type 1
The purpose of this study is to evaluate the safety and performance of the EYEMATE system in patients undergoing concomitant implantation of a BKPro type 1 and an EYEMATE sensor over the 24 months period beginning at implantation.
- Conditions
- Glaucoma, Blindness, Acquired, Keratitis, Herpetic, Ocular Cicatricial Pemphigoid
- Trial name
- BKPro (NCT03421548)
- Testing
- EyeMate
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Keratitis, Pterygium
Robotic Surgery of the Ocular Surface
The introduction of surgical robots in the OR revolutionized a number of specialties (i. e. urology, gynecology, digestive surgery).
- Conditions
- Keratitis, Pterygium, Corneal Opacity Corneal Thinning, Corneal Perforation
- Trial name
- NCT02116062
- Testing
- 1. Amniotic membrane transplantation on the cornea with the Da Vinci Si HD© robot (Inlay or overlay technique), Pterygium removal and autograft of the conjunctiva with the Da Vinci Si HD© robot (Kenyon technique), Penetrating keratoplasty using Baron trephine and nylon stitches with the Da Vinci Si HD© robot
- Where
- France
- Volunteers
- 12 people
- Sponsor
- University Hospital, Strasbourg, France