Clinical trials: Eye
Ptosis, Macular Degeneration
Comparing Vision Tests in a Virtual Reality Headset to Existing Analogues
The purpose of this study is to compare the results of vision tests that are algorithmically derived and delivered through a virtual reality headset with those delivered through the existing technology standards (eg.
- Conditions
- Ptosis, Macular Degeneration, Ametropia
- Trial name
- RTS1 (NCT04714424)
- Testing
- Virtual Reality Headset
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Healthy, Major Depressive Disorder (MDD)
Neurobiological and Genomic Predictors of Relapse in Depression
The goal of this observational study is to test whether the discontinuation of antidepressant medications for patients with depression can be decided after the normalization of biological parameters.
- Trial name
- MDD (NCT07328373)
- Testing
- Antidepressant Medications
- Where
- Turkey (Türkiye)
- Volunteers
- 204 people, healthy volunteers welcome
- Sponsor
- Mehmet Kemal Arikan
Myopia, Hyperopia
Daily Wear Corneal Infiltrative Event Study
This DWCIE Study is a prospective cohort study of patients fit to the FDA approved and marketed lotrafilcon A (Ciba Vision, Air Optix Night \& Day Aqua) soft contact lenses for daily wear (DW) with monthly disposal.
- Conditions
- Myopia, Hyperopia, Corneal Infiltrative Events
- Trial name
- DWCIE (NCT00937105)
- Testing
- lotrafilcon A contact lenses, Renu Multiplus, Clear Care
- Where
- United States
- Volunteers
- 218 people, healthy volunteers welcome
- Sponsor
- University Hospitals Cleveland Medical Center
Retinal Dystrophies, Healthy
Optical Head-Mounted Display Technology for Low Vision Rehabilitation
The goal of this study is to examine the ability of optical head-mounted display technology to enlarge the visual field of patients with severe visual field loss due to retinal dystrophy and to improve mobility and…
- Trial name
- NCT02983305
- Testing
- Head-Mounted Display
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Dry Eye Syndrome, Ocular Surface Disease
Influencing Factors on Dry Eye Syndrome and Ocular Surface Disease
Dry eye syndrome and ocular surface disease are very important ophthalmologic diseases. It is known that various inducers are involved.
- Trial name
- NCT03364322
- Testing
- Observation
- Where
- South Korea
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hallym University Kangnam Sacred Heart Hospital
Cataract
Evaluation of Aqueous Humor DEL-1 and IL-17 Levels in Diabetic Cataract Patients
By comparing DEL-1 and IL-17 levels in the aqueous humor of diabetic cataract patients with the aqueous humor of non-diabetic patients, we aim to understand the biochemical effects of diabetes-related inflammatory processes in…
- Trial name
- DEL-1 and IL-1 (NCT06995131)
- Testing
- Observational Study Procedure
- Where
- Turkey (Türkiye)
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Uşak University
Myopia, Corneal Crosslinking
Photorefractive Intrastromal Corneal Crosslinking as a Treatment for Low Grade Myopia
To assess the improvement in refractive error and the corneal endothelial safety with a customized corneal crosslinking treatment regimen for low grade myopia.
- Conditions
- Myopia, Corneal Crosslinking, Refractive Errors, Eye Diseases
- Trial name
- NCT03987880
- Testing
- 4.0 mm treatment, 3.5 mm treatment
- Where
- Sweden
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Umeå University
Myopia
Study Intended to Evaluate the Safety and Effectiveness of a Johnson & Johnson Vision Care Inc, (JJVCI) Contact Lens for Use on an Extended-wear Basis for up to 7 Days (6 Nights).
Study in the US intended to evaluate the safety and effectiveness of a Johnson \& Johnson Vision Care Inc, (JJVCI) contact lens for use on an extended-wear basis for up to 7 days (6 nights).
- Trial name
- NCT00241280
- Testing
- etafilcon A, galyfilcon A
- Where
- 25 sites in United States
- Volunteers
- 504 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Drug Action Increased
A Randomized Controlled Trial Comparing Urea Loaded Nanoparticles to Placebo: a New Concept for Cataract Management
Cataract is the leading cause of vision loss and blindness in the world,surgery is the only available option to correct the problem and the major reasons for low cataract surgical rates include low demand because of fear of…
- Trial name
- NCT03001466
- Testing
- urea-loaded nanoparticles eye drops, Balance Salt Solution eye drops
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Assiut University
Induced Defocus to the Retina
Defocus Induced Changes on Choroidal Thickness
The goals of this study are to assess the short-term (10-60 minutes) effects of different magnitudes of myopic and hyperopic optical defocus on the transient thickness of the choroid in children and adults, as well as to assess…
- Trial name
- NCT03954886
- Testing
- Plus powered optical lens
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Houston
Learning; Lack of (Specific)
Predictors of Probabilistic Selection Task Performance
The project aims to investigate whether tDCS has an effect on reward and punishment learning sensitivity. Further, whether tDCS will modulate extraversion and impulsivity personality traits, and eye-blink-rate's effect on…
- Trial name
- NCT04798105
- Testing
- Effects of tDCS of dlPFC on Probabilistic Selection Task
- Where
- Australia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Charles Darwin University
Dry Eye Disease
The Visual Effect of an Investigational Artificial Tear in the Tear Layer.
The purpose of this study is to investigate how the addition of a new artificial tear product when applied to the tear layer affects contrast sensitivity and optical aberrations over time.
- Trial name
- NCT00395759
- Testing
- Optiva artificial tear by Allergan
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Southern California College of Optometry at Marshall B. Ketchum University
Blindness, Spinal Cord Injury
Use of "Smart Wheelchairs" to Provide Independent Mobility to Visual and Mobility Impairments
The goal of this project is to evaluate the Smart Wheelchair Component System (SWCS) for power wheelchairs and the Smart Power Assistance Module (SPAM) for manual wheelchairs in realistic indoor environments with target users…
- Trial name
- NCT00333762
- Testing
- Smart Power Assistance Module (SPAM), Smart Wheelchair Component System (SWCS)
- Where
- 2 sites in United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Glaucoma
Goldmann Applanation Tonometry, Dynamic Contour Tonometry, and Corvis ST Tonometer
The study is investigating Intra ocular pressure (IOP) by Goldmann Applanation Tonometry, Dynamic Contour Tonometry, and the Corvis ST tonometer.
- Trial name
- NCT02624427
- Testing
- Measurement of intraocular pressure (IOP)
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Retinal Diseases
Effect of Levodopa on Human Multifocal Electroretinogram
It is known that dopamine is a functional neuromodulator at several levels of the visual system. Dopamine seems to be involved in the organization of the ganglion cell and the bipolar cell receptive fields and modulation of…
- Trial name
- NCT00812760
- Testing
- levodopa
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Macular Degeneration, Glaucoma
The Impact of Ocular Diseases on Driving: a Prospective Study
The purpose of the study was (1) to determine thresholds for discriminating speed in peripheral fields of patients with dry AMD and (2) to examine the driving skills of licensed drivers with early dry AMD using a driving…
- Trial name
- NCT02313259
- Testing
- Speed discrimination test, Driving simulation
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- CHU de Quebec-Universite Laval
Dry Eye Syndrome, Sjogren's Syndrome
VGH-DESJS-1 in Ocular and Oral Dryness Symptoms of Dry Eye Syndrome and Sjögren's Syndrome
To evaluate the Chinese herbal tea VGH-DESJS-1 in ocular and oral dryness symptoms of Dry eye syndrome and Sjögren's syndrome
- Conditions
- Dry Eye Syndrome, Sjogren's Syndrome, Xerophthalmia
- Trial name
- NCT05656196
- Testing
- Chinese herbal tea VGH-DESJS-1
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Taipei Veterans General Hospital, Taiwan
Glaucoma, Angle-Closure
Angle Closure (Glaucoma) in Caucasians
Rationale: Primary angle closure glaucoma (PACG) causes high rates of blindness, either by means of a painful attack of acute angle closure glaucoma or unnoticed over a period of many years.
- Trial name
- NCT02054403
- Where
- Netherlands
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Intellectual Disability
Development and Validation of the Observatory Battery of Common Eye Disorders for Adults With Intellectual Disability
Background: Around 15% of the global population has some form of disability. Rights to obtain proper health care is an emphasis in the United Nationals Convention on the Right of People with Disability.
- Trial name
- NCT06737627
- Testing
- no intervention
- Where
- 2 sites in Taiwan
- Volunteers
- 1,400 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Progressive Supranuclear Palsy, Corticobasal Degeneration
Tau Imaging in Subjects With Progressive Supranuclear Palsy, Corticobasal Degeneration and Healthy Volunteers
This study will evaluate flortaucipir for brain imaging of tau in subjects with progressive supranuclear palsy (PSP), corticobasal degeneration (CBD) and healthy volunteers.
- Trial name
- NCT02167594
- Testing
- Flortaucipir F18, Brain PET scan
- Where
- 5 sites in United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Avid Radiopharmaceuticals
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