Clinical trials: Corneal Opacities
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
Keratoconus, Cornea
Evaluation Of Deep Anterior Lamellar Keratoplasty By Anterior Segment Ocular Coherence Tomography
Investigators' research is concerned observing the post-operative anterior segment OCT changes throughout the post- operative follow up of the patient and relating to improve the visual outcome of the surgery which is the goal of…
- Conditions
- Keratoconus, Cornea, Corneal Opacity
- Trial name
- NCT05345652
- Testing
- deep anterior lamellar keratoplasty
- Volunteers
- 20 people
- Sponsor
- Assiut University
Corneal Opacity
OCT-guided LALAK in Children
The primary goal of the trial is to determine if laser-assisted lamellar anterior keratoplasty (LALAK) will reduce the risks of post-operative complications such as adhesions, glaucoma and cataract that are associated with…
- Trial name
- LALAK (NCT01579643)
- Testing
- OCT guided laser-assisted lamellar anterior keratoplasty (LALAK), Penetrating Keratoplasty (KP)
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Oregon Health and Science University
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
Corneal Disease, Corneal Opacity
First in Human (FIH) Study to Assess Safety and Efficacy of the CorNeat KPro for the Treatment of Corneal Blindness
Prospective, open label, single arm, First in Human (FIH) clinical study to assess safety and efficacy of the CorNeat Keratoprosthesis, a synthetic cornea, for the treatment of corneal blindness
- Conditions
- Corneal Disease, Corneal Opacity, Corneal Injuries
- Trial name
- NCT04485858
- Testing
- CorNeat KPro
- Where
- 8 sites in United States, Canada and 3 more
- Volunteers
- 10 people
- Sponsor
- CorNeat Vision Ltd.
Lipoprotein Lipase Deficiency, Inborn Error of Lipid Metabolism
Biomarker for Homozygous Familial Hypercholesterolemia (BioHoFH)
Development of a new MS-based biomarker for the early and sensitive diagnosis of Homozygous familial Hypercholesterolemia from blood
- Conditions
- Lipoprotein Lipase Deficiency, Inborn Error of Lipid Metabolism, Corneal Arcus
- Trial name
- BioHoFH (NCT03198897)
- Where
- 4 sites in Germany, India and 1 more
- Sponsor
- CENTOGENE GmbH Rostock
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
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
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
Cataract, Lens Subluxation
Efficacy of an Ocular Bandage Contact Lens for the Treatment of Dry Eye After Complicated and Combined Cataract Surgery
To study the efficacy of an ocular bandage contact lens for the treatment of dry eye after complicated and combined cataract surgery
- Conditions
- Cataract, Lens Subluxation, Hypermature Cataract, Corneal Opacity
- Trial name
- NCT04120389
- Testing
- bandage contact lenses(PureVision; Bausch & Lomb Inc., Rochester, NY), phacoemulsification
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Corneal Opacity, Keratoconus
OCT-guided LALAK for KCN
The purpose of this study is to determine if a new procedure, called laser-assisted lamellar anterior keratoplasty (LALAK), can achieve the same level of vision with a lower risk of potential complications after surgery compared…
- Trial name
- NCT01901614
- Testing
- LALAK, IEK, Retrobulbar Block or General Anesthesia
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Oregon Health and Science University
Corneal Opacity
Clinical Outcomes of the Gore Synthetic Cornea Device
Study objective is to evaluate the initial safety and effectiveness of the GORE Synthetic Cornea Device in the treatment of loss of corneal clarity in patients who are candidates for corneal transplantation
- Trial name
- NCT06174376
- Testing
- GORE Synthetic Cornea Device
- Where
- 2 sites in Mexico
- Volunteers
- 10 people
- Sponsor
- W.L.Gore & Associates
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
PRoTECT: Corneal Wavefront Guided PRK + Epi-off CXL vs. PTK+Epi-off CXL in Keratoconus
Keratoconus causes irregular astigmatism and reduced vision. Epi-off corneal crosslinking (CXL) stabilizes the cornea but often leaves higher-order aberrations uncorrected.
- Trial name
- PRoTECT (NCT07372911)
- Testing
- Schwind AMARIS excimer laser, Corneal collagen crosslinking epi-off accelerated
- Where
- Mexico
- Volunteers
- 50 people
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Corneal Opacity, Keratitis, Herpetic
Topical Anesthesia for Closed PKP vs Retrobulbar Anesthesia for Open-sky PKP
Penetrating keratoplasty (PKP) is an open-sky surgery that fundamentally has not changed for more than 100 years. Because conventional PKP is associated with the potential for the development of devastating complications such as…
- Conditions
- Corneal Opacity, Keratitis, Herpetic, Corneal Ulcer, Corneal Dystrophies, Hereditary
- Trial name
- NCT02826174
- Testing
- closed PKP under topical anesthesia, open-sky PKP under retrobulbar anesthesia, Anti-Rejection Agents
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Wenzhou Medical University
Corneal Blindness
A Clinical Study to Evaluate the KeraKlear Keratoprosthesis in Patients With Corneal Opacity
To evaluate the safety and probable benefit of the KeraKlear Non-Penetrating Keratoprosthesis when implanted in an eye with corneal opacity that is at high risk of complications with PK.
- Trial name
- NCT03126903
- Testing
- KeraKlear Non-Penetrating Keratoprosthesis
- Where
- 4 sites in United States
- Volunteers
- 11 people
- Sponsor
- KeraMed, Inc.
Cataract, Lens Opacities
Feasibility Investigation of Biometry and Tomography Measurements in a Heterogeneous Patient Cohort
The planned clinical investigation will be conducted to acquire raw data for the development of the algorithm. The data acquisition is intended to obtain first impressions of the potential performance of the changed hardware and…
- Conditions
- Cataract, Lens Opacities, Artificial Lens Implant, Corneal Astigmatism
- Trial name
- BioBase (NCT05458661)
- Testing
- Clinical Prototype BioBase (SN 07 and SN 08)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
Keratoconus, Corneal Opacity
OCT in Diagnosis of Irregular Corneas
This main goal of this study is to improve the detection, classification, monitoring, and treatment of irregular corneas due to keratoconus, warpage, dry eye, scar, stromal dystrophies, and other corneal conditions.
- Conditions
- Keratoconus, Corneal Opacity, Corneal Dystrophy
- Trial name
- NCT03504800
- Testing
- Optical Coherence Tomography
- Where
- United States
- Volunteers
- 445 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Cataract Extraction
A Randomized Study of Intraocular Caliper-assisted Capsulotomy for Age-related Cataract Patients With Corneal Limbus Opacity
The purpose of this study is to compare the accuracy of capsulotomy assisted by intraocular caliper and Verion navigation system in phacoemulsification surgery and postoperative visual quality for age-related cataract patients…
- Trial name
- NCT04977102
- Testing
- Intraocular caliper-assisted capsulotomy, Verion navigation system-assisted capsulotomy
- Where
- China
- Volunteers
- 74 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
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