Clinical trials: Eye Disorders
Refractive Errors
Clinical and Refractive Outcomes After Contoura® Refractive Surgery Planned Using Phorcides Surgery Planning Software
The objective of the current study is to prospectively evaluate 3-month clinical outcomes from LASIK performed using the Phorcides surgical planning software with Contoura topography-guided ablation in both eyes of subjects with…
- Trial name
- NCT04495829
- Testing
- Phorcides Analytical Engine
- Where
- 5 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- American Corneal Consultants
Seasonal Allergic Rhinitis
A Randomized, Double-blind, Placebo-controlled Study on the Effect of CVT-E002 in Patients With Seasonal Allergic Rhinitis
You are being asked to take part in a research study of COLD-fX, a product designed to boost the immune system. COLD-fX is an extract from the roots of North American ginseng and it may offer some benefit to people with seasonal…
- Trial name
- NCT00726401
- Testing
- COLD-fX
- Where
- 4 sites in Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Afexa Life Sciences Inc
Age-Related Macular Degeneration
Personalized Shared Eye-care Identification of Age-related Macular Degeneration Using Artificial Intelligence and Telemedicine by Matching Optometrist Office-based Sites With Clinical Supervision
Office-based optometrist centres equipped with low-cost OCT devices can be used for screening of age-related macular degeneration.
- Trial name
- PYRENEES (NCT06465212)
- Testing
- TopCon Maestro 2 OCT
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Refractive Error
Evaluation of a Johnson & Johnson Vision Care Investigational Contact Lens Compared to a Marketed Monthly Replacement Contact Lens
Randomized, double-masked, controlled, 2-arm parallel group, multi-site, 3-month dispensing study of Johnson \& Johnson Vision Care, Inc.
- Trial name
- NCT02515994
- Testing
- senofilcon C, comfilcon A
- Where
- 10 sites in United States
- Volunteers
- 224 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Healthy Volunteers Eligible for Study; Drug Being Developed for Allergic Conjunctivitis
Safety Study of Ophthalmic Solution in Healthy, Normal Volunteers
The purpose of this study is to evaluate the safety of R89674 0.25% ophthalmic solution in healthy normal volunteers
- Trial name
- NCT00223951
- Testing
- R89674 (generic name not yet established)
- Where
- 6 sites in United States
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Vistakon Pharmaceuticals
Parkinson Disease, Progressive Supranuclear Palsy
Oxford Study of Quantification in Parkinsonism
The OxQUIP (Oxford QUantification In Parkinsonism) study is recruiting patients with Parkinson's Disease and Progressive Supranuclear Palsy.
- Trial name
- OxQUIP (NCT04139551)
- Where
- United Kingdom
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Glaucoma
Will Listening to Music Make it Easier to Take a Visual Field Test?
The purpose of this study is to examine if there is a difference between glaucoma patients having background music and not having background music before visual field testing.
- Trial name
- NCT01027039
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Refractive Errors
A Prospective Comparison of Alcon LADARVision Wavefront-guided LASIK Enhancement and Conventional LASIK Enhancement for the Correction of Residual Refractive Errors Following LASIK Procedures
The purpose of this study is to conduct a prospective clinical trial to compare conventional and WFG LASIK for enhancements on post-LASIK patients.
- Trial name
- NCT00413881
- Testing
- WAVEFRONT- GUIDED LASIK ENHANCEMENT, CONVENTIONAL LASIK ENHANCEMENT
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Walter Reed Army Medical Center
Allergic Conjunctivitis
Effect of Olopatadine on Allergic Tear Mediators
The purpose of the research is to determine which inflammatory substances are involved in causing allergic symptoms in the eye. Allergic conjunctivitis is a common problem with symptoms of temporary redness, itching, tearing, and…
- Trial name
- NCT00609128
- Testing
- olopatadine
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
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
Advanced Dry Macular Degeneration
Alpha MSH in Ocular Disease
The purpose of this study is gain a better understanding of a molecule called alpha melanocyte stimulating hormone (alpha MSH) and its potential role in your retinal disease.
- Trial name
- NCT03451578
- Testing
- Alpha MSH assay
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Duke University
Ametropia
Optimization of a Photoretinoscopy Method for Determining the Objective Refraction of Children With a Smartphone/add-on Device in India
The objective is to compare the refractive parameters of the photorefraction prototype device without cycloplegia with the refractive parameters of reference device, an autorefractometer with and without cycloplegia.
- Trial name
- NCT06524115
- Testing
- Comparator device, Closed-field autorefractometer without cycloplegia, Distance visual acuity check using objective refraction without cycloplegia, Comparator device, Closed-field autorefractometer with cycloplegia
- Where
- India
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- Essilor International
Digital Eye Strain, Computer Vision Syndrome
Effect of Yellow Light AG Mobile Phone Screen on Dry Eye and Asthenopia.
This study aimed to evaluate the protective effects of yellow-light etching anti-glare (AG) screen on Digital Eye Strain (DES) induced by prolonged video display terminal (VDT) use under dim environment, Based on the proved…
- Conditions
- Digital Eye Strain, Computer Vision Syndrome, Dry Eye, Asthenopia
- Trial name
- NCT07340359
- Testing
- reading 2h on smartphone
- Where
- China
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Central Visual Impairment
Training Oculo-motor Control to Improve Vision When Using a Preferred Retinal Locus
When high-detail vision is lost due to a retinal disease such as macular degeneration, people see poorly, and have difficulty with eye movements (oculo-motor control).
- Trial name
- NCT05637385
- Testing
- Training of perception and oculo-motor control
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Russell L. Woods
Normal Healthy Subjects With No Known Ocular Diseases, Glaucomatous Eyes
Maestro Agreement and Precision Study II
Assess the repeatability and agreement of the Optic Disc Parameters, Retinal Nerve Fiber Layer (RNFL) Thickness, Full Retinal Thickness, and Ganglion Cell Thickness between the Maestro and iVue OCT devices.
- Conditions
- Normal Healthy Subjects With No Known Ocular Diseases, Glaucomatous Eyes, Eyes With Retinal Diseases
- Trial name
- NCT02376868
- Testing
- 3D OCT-1 Maestro, iVue
- Where
- United States
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- Topcon Medical Systems, Inc.
Myopia, Refractive Errors
Community Intervention and Demonstration Area Construction
The objective of this intervention study was to understand the visual health status of nearly one million children and adolescents in ten provinces in China, and then to conduct intervention and evaluate the effect of…
- Trial name
- NCT05715424
- Testing
- Six interventions for children and adolescents
- Where
- China
- Volunteers
- 1,000,000 people, healthy volunteers welcome
- Sponsor
- Anhui Medical University
Retinal Disease, Retinal Degeneration
Performance of Long-wavelength Autofluorescence Imaging
Fundus autofluorescence imaging has become an important diagnostic tool in ophthalmology, guiding diagnosis and assessment of progression of retinal diseases.
- Conditions
- Retinal Disease, Retinal Degeneration, Retinal Dystrophies
- Trial name
- NCT03592017
- Testing
- Long-wavelength autofluorescence imaging
- Where
- United Kingdom
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Oxford University Hospitals NHS Trust
Cataracts
Aqueous Absorption and Pharmacokinetics of Besivance Versus VIGAMOX in Patients Undergoing Phacoemulsification
The purpose of this study is to compare drug concentrations in aqueous humor following ocular instillation of Besivance and VIGAMOX in subjects undergoing cataract surgery.
- Trial name
- NCT01296191
- Testing
- Moxifloxacin, besifloxacin
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Frank A. Bucci, Jr., M.D.
Exfoliation Syndrome
Central Corneal Thickness in Glaucoma
The purpose of this study is to compare the central corneal thickness measurement in patients with exfoliation syndrome, exfoliative glaucoma, primary open-angle glaucoma, ocular hypertension and normal controls and to evaluate…
- Trial name
- NCT01023997
- Where
- Greece
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Map Dot Fingerprint Dystrophy, Post-penetrating Keratoplasty
Brillouin Microscopy Used to Evaluate Corneal Mechanical Properties
This study aims to explore the mechanical properties of the cornea using a non-invasive imaging technique called Brillouin microscopy.
- Conditions
- Map Dot Fingerprint Dystrophy, Post-penetrating Keratoplasty, Post-Descemet Membrane Endothelial Keratoplasty, Healthy Corneas
- Trial name
- NCT06914817
- Testing
- Brillouin optical scanning system (Intelon Optics) (BOSS)
- Where
- Austria
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Vienna Institute for Research in Ocular Surgery