Clinical trials: Corneal Diseases
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.
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
Diabetic Peripheral Neuropathy
Corneal Nerves Function and Structure
Peripheral neuropathy affects about 50% of the diabetic population and there is no treatment other than good blood glucose control, which is ineffective in subjects with type 2 diabetes.
- Trial name
- NCT04222660
- Testing
- Blackmores Omega Daily (4 1g capsules per day)
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Trachoma, Chlamydia Trachomatis
Impact of Two Alternative Dosing Strategies for Trachoma Control in Niger
Trachoma is a disease of poverty, which in the hyperendemic areas affects all individuals by the time they are two years old. Active disease is concentrated in children and occurs sporadically in adults.
- Trial name
- NCT00618449
- Testing
- Azithromcyin, Azithromycin
- Where
- 2 sites in United States, Niger
- Volunteers
- 1,139 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Keratitis
Study of the Presence and Extent of Corneal Disturbance Associated With B+L Biotrue MPS Used With B+L PureVision Lenses
Corneal epithelial disruption, commonly termed "corneal staining" has been frequently associated with contact lens wear. Previous research has demonstrated higher levels of observed corneal staining when certain combinations of…
- Trial name
- NCT01268306
- Testing
- B+L Biotrue MPS and B+L PureVision
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Epstein, Arthur B., OD, FAAO
Ametropia
Endothelial Bleb Response With Toric Lenses
Evaluate the short-term corneal response of oxygen deprivation when using toric contact lenses. The response will be noted by endothelial bleb formation in both open eye and closed eye state.
- Trial name
- NCT00630305
- Testing
- alphafilcon A toric, lotrafilcon B toric, senofilcon A toric
- Where
- Australia
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Acanthamoeba Keratitis
Safety and Tolerability of Preservative-free Polyhexamethylene Biguanide (PHMB) Ophthalmic Solution in Healthy Subjects
Randomized, double-masked, placebo-controlled, multiple center, parallel-group Phase 1 study to evaluate the safety and tolerability of 3 doses of preservative-free PHMB ophthalmic solution compared to placebo in healthy subjects
- Trial name
- NCT02506257
- Testing
- 0.04% PHMB, 0.06% PHMB, 0.08% PHMB
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- SIFI SpA
Trachoma
A Surveillance and Azithromycin Treatment for Newcomers and Travelers Evaluation: The ASANTE Trial
Infection with C. Trachomatis has decreased substantially in trachoma endemic areas following repeated annual mass drug administration (MDA) with azithromycin, although not as rapidly as anticipated.
- Trial name
- ASANTE (NCT01767506)
- Testing
- Surveillance and treatment with azithromycin of newcomer and traveler families, Usual care
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Trachoma
Azithromycin Reduction to Reach Elimination of Trachoma
The investigators propose a randomized controlled trial of discontinuation versus continuation of annual mass azithromycin distribution in hypoendemic communities of Maradi, Niger.
- Trial name
- ARRET (NCT04185402)
- Testing
- Azithromycin
- Where
- Niger
- Volunteers
- 3,931 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Keratoconjunctivitis Sicca
Tear Film Break-up Time After Instillation of Artificial Tears
This study is an exploratory trial evaluating the tear film break-up time after a single eye drop instillation of over-the-counter artificial tears.
- Trial name
- NCT00681265
- Testing
- glycerin, polyethylene glycol 400/propylene glycol
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Calm Water Therapeutics LLC
Myopia
Discontinuation of Lens Wear in New Ortho-k Children (DOEE2)
This study aims at investigating the efficacy of myopic control using ortho-k in younger and older children.
- Trial name
- DOEE2 (NCT01236755)
- Testing
- single-vision glasses, ortho-k lenses
- Where
- China
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia
Retardation of Myopia in Orthokeratology
The primary aim of this study is to evaluate and compare the eyeball elongation in children wearing orthokeratology lenses and single-vision spectacles.
- Trial name
- ROMIO (NCT00962208)
- Testing
- orthokeratology lenses, single-vision spectacle lenses
- Where
- China
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Keratoconjunctivitis Sicca
TearLab Core Validation Study to Establish Referent Values for Dry Eye Disease
This is a prospective, observational case series to determine the clinical utility of tear osmolarity and other commonly used objective tests to diagnose dry eye disease, as well as to establish referent values for objective…
- Trial name
- CVS (NCT00848198)
- Where
- 10 sites in United States, France and 3 more
- Volunteers
- 314 people, healthy volunteers welcome
- Sponsor
- TearLab Corporation
Dry Eye Syndromes
The Effects of BAK on the Blood Aqueous Barrier of Pseudophakic Patients
BAK is one of the most frequent preservatives in eye drops. BAK is a quaternary ammonium salt with surfactant qualities. It can be bacteriostatic or bactericidal depending on the concentrations used.
- Trial name
- NCT01280110
- Testing
- Hydroxypropylmethylcellulose, Carboxymethylcellulose
- Where
- Brazil
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Pain, Vision Nearsighted
Post Photorefractive Keratectomy (PRK) Use of an Eye Shield for Maintaining Vision and Mitigating Pain
The purpose of this research is to determine if an investigational thin shield over the cornea can safely and effectively reduce or eliminate pain following Post Photorefractive Keratectomy (PRK).
- Trial name
- Nexis-CS0032 (NCT01592643)
- Testing
- Eye Shield
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Stanford University
Trachoma
Safety and Immunogenicity of a Chlamydia Vaccine CTH522
CHLM-02 was a phase I, double-blind, randomized, placebo-controlled trial of the chlamydia vaccine CTH522. 65 trial participants were randomized into 12 groups and six cohorts (A1 to F2).
- Trial name
- CHLM-02 (NCT03926728)
- Testing
- CTH522-CAF01 IM, CTH522-CAF09b IM, CTH522 ID
- Where
- United Kingdom
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Statens Serum Institut
Myopia, Hyperopia
Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions
A new multi-purpose solution (MPS)was clinically evaluated against Opti-Free RepleniSH MPS at specific time points over the course of four days. The study was conducted with PureVision lenses.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- NCT01024855
- Testing
- RevitaLens OcuTec MPS (Investigational MPS) and Opti-Free RepleniSH MPS (control)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Presbyopia
Safety and Effectiveness of the AcuFocus Corneal Inlay ACI7000PDT in Presbyopes
The purpose of this study is to determine if the AcuFocus Corneal Inlay ACI 7000PDT will provide an effective method of for the correction of presbyopia in patients who have normal distance vision but need correction such as…
- Trial name
- NCT01352442
- Testing
- AcuFocus Corneal Inlay ACI 7000PDT
- Where
- 11 sites in Australia, Austria and 8 more
- Volunteers
- 151 people, healthy volunteers welcome
- Sponsor
- AcuFocus, Inc.
Glaucoma, Retinal Disease
Agreement and Precision Study of the Nidek Mirante
This study is a prospective comparative, randomized, single center study to gather agreement and precision of the Nidek Mirante OCT with SLO and Anterior Segment Imaging capabilities in comparison to the Optovue RTVue XR Avanti…
- Conditions
- Glaucoma, Retinal Disease, Corneal Disease
- Trial name
- NCT04318132
- Testing
- Nidek Mirante, Optovue RTVue XR Avanti, Optos P200DTx
- Where
- United States
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Nidek Co. LTD.
Corneal Astigmatism
Safety and Effectiveness of Arcuate Incisions Performed With the iFS Femtosecond Laser System
To determine if arcuate incisions performed with the iFS femtosecond laser are safe and effective in reducing corneal astigmatism.
- Trial name
- NCT01348854
- Testing
- iFS Femtosecond Laser System
- Where
- 4 sites in Austria, France and 1 more
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics