Clinical trials: Ophthalmic Disorders
Cataract, Macular Edema
The Role of Radial Peripapillary Vessel Density in Irvine-gass Syndrome
Pseudophakic cystoid macular edema (PCME), also known as Irvine-Gass syndrome (IGS), is an accumulation of fluid in the macula that occurs after cataract surgery, with an early or late presentation (cut-off 3 months) .
- Trial name
- OCTA and PMCE (NCT06436170)
- Testing
- OCTA
- Where
- Italy
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Federico II University
Myopia
Product Performance of a Daily Disposable Contact Lens
The objective of this one week, single group, bilateral, open-label study is to evaluate the product performance of the Bausch \& Lomb daily disposable cosmetic tint contact lens (Test) when worn on a daily disposable basis by…
- Trial name
- NCT01230554
- Testing
- Daily disposable cosmetic tint lens
- Where
- Singapore
- Volunteers
- 212 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Autism, Ocular Surface Disease
Ocular Function in Autism Spectrum Disorder
This study will investigate the visual function in individuals with ASD, with a particular focus on the ocular surface condition and visual function assessment.
- Trial name
- NCT04010422
- Testing
- no intervention
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Color Blindness, Acquired
Evaluating Color Perception Under LED Red/Green and Green Dominant Light
The investigators are testing a Light-emitting Diode (LED) flashlight from First-Light™ USA called the Tomahawk MC Tactical Light to determine the range of colors people are able to see with these flashlights at night.
- Trial name
- NCT01927536
- Testing
- White LED Flashlight, Red/Green Green Dominant LED Flashlight
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Parkinson Disease, Diabetes Mellitus, Type 1
Biological Sample Collection for Research and Biobanking
The New York Stem Cell Foundation (NYSCF) Research Institute is performing this research to study different conditions and diseases by using cells from the body (such as skin or blood cells).
- Conditions
- Parkinson Disease, Diabetes Mellitus, Type 1, Macular Degeneration, ALS
- Trial name
- NCT04270604
- Testing
- Biological sample collection
- Where
- United States
- Volunteers
- 1,279 people, healthy volunteers welcome
- Sponsor
- New York Stem Cell Foundation Research Institute
Smartphone Addiction
Smartphone Addiction and Upper Extremity Sensorimotor Performance
The use of digital devices among young people is increasing day by day. This usage habit can lead to postural disorders. Prolonged maintenance of a static posture can negatively affect sensorimotor functions-such as sensory…
- Trial name
- NCT07864922
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Amasya University
Healthy Volunteers
A Trial to Investigate Teprotumumab (High-concentration Formulation) Subcutaneous Administration in Healthy Adult Non-Japanese and Japanese Participants
The primary objective of this trial are to assess the pharmacokinetics (PK) of a single subcutaneous (SC) administration of teprotumumab high-concentration formula (HCF) in healthy adult non-Japanese and Japanese participants and…
- Trial name
- NCT06674941
- Testing
- Teprotumumab
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Amgen
Behcet Syndrome
Neuro-ultrasound Assessment in Behcet's Disease
Assessment of structural changes that occur in large extracranial and intracranial arteries in patients with Behcet's disease
- Trial name
- NCT04738864
- Testing
- ultrasound
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Assiut University
Presbyopia, Refractive Errors
Apioc Presbyopic Contact Lens
In this study, you will wear an invesetigational contact lens, Apioc-P or Apioc-PT, the way you wear your current contact lenses for approximately one month (no more than 35 days).
- Trial name
- NCT04437732
- Testing
- Apioc-P and Apioc-PT Contact Lens Design
- Where
- 2 sites in United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Lentechs, LLC
Vision Disorders
Modification in Cortical Activation in Pseudophakic Patients With Visual Difficulties After a Multifocal Implantation
This study will highlight differences in cortical activation between asymptomatic and symptomatic patients.
- Trial name
- PlainteIMF (NCT02529098)
- Testing
- fMRI
- Where
- France
- Volunteers
- healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
Keratoconus
Validation of Innovative Scheimpflug Topography Derived RGP Contact Lens Designs In Optometry Network
The goal of this Prospective, single-site, cohort study is to validate rigid gas permeable corneal contact lens (RGP) designs for keratoconus derived from combining the data from corneal topography scans and contact lenses…
- Trial name
- VISION (NCT06312163)
- Testing
- The contact lens to be investigated in this study (Scheimpflug topography derived corneal RGP contact lens design). A CE (UKCA) marked class 2 medical devices.
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Moorfields Eye Hospital NHS Foundation Trust
Glaucoma, Open Angle Glaucoma
iCare® Home vs Goldmann Applanation Tonometry
Self-tonometry with iCare Home is regularly performed at Sankt Erik's Eye Hospital since a few years back. The purpose of this study was to show that the eye pressure measurements made with iCare® Home by patients / relatives do…
- Conditions
- Glaucoma, Open Angle Glaucoma, Ocular Hypertension, Pseudo Exfoliation Syndrome
- Trial name
- NCT04911387
- Testing
- Intraocular pressure measurments
- Where
- Sweden
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- St. Erik Eye Hospital
Age-Related Macular Degeneration
Genetic Analysis of Patients Responsive to Ranibizumab But Resistant to Aflibercept
A cohort of patients responsive to treatment with ranibizumab but resistant to aflibercept were identified in a previously conducted retrospective study. Identified patients will have their blood drawn for genome wide sequencing.
- Trial name
- NCT02291887
- Testing
- Ranibizumab, Aflibercept
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Associated Retinal Consultants, Michigan
Takayasu Arteritis, Behçet's Disease
Physical and Psychosocial Parameters in Takayasu Arteritis and Behçet's Disease: A Comparative Study With Healthy Controls
Systemic vasculitis refers to a group of rare diseases characterized by inflammation of blood vessel walls, which may cause ischemia and structural damage in various organs.
- Conditions
- Takayasu Arteritis, Behçet's Disease, Healthy Controls
- Trial name
- NCT07276087
- Testing
- No intervention (observational study)
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- ÖZLEM NUR TOK YAMAN
Glaucoma; Drugs
CATS Tonometer IOP Reduction Latanoprost Verses Timolol
Topical Prostaglandin Analog vs Betablocker - Corneal Biomechanical Evaluation using CATS Tonometer Prism
- Trial name
- NCT04178863
- Testing
- CATS Tonometer, Latanoprost
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Intuor Technologies, Inc.
Vision, Low, Visual Impairment
Re:Garde Program - Training and Maintaining Visual Perception in Older Adults
Seniors deal with considerable visual demands (driving, communicating, traveling) and reduced vision affects their quality of life, ability to enjoy activities, and age-in-place.
- Trial name
- Re:Garde (NCT05619432)
- Testing
- HMD: Immersive VR
- Where
- 2 sites in Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
Choroidal Neovascularization
Evaluation of the Effect of Vitreous Composition Determined by Ultrasound and Optical Coherence Tomography (OCT) on Ranibizumab Therapy
The primary objective: *To measure the difference in the number of Ranibizumab therapies needed in 12 months in the Posterior Vitreous Detachment (PVD) positive and Posterior Vitreous Detachment (PVD) negative group.
- Trial name
- PVD (NCT01256632)
- Testing
- Ranibizumab
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Vision Research Foundation
Thorax Injuries, Cervical Injury Spine
The Effect of Sensory Isolation on Anxiety in Magnetic Resonance Imaging
The aim of this study is to determine whether the use of earplugs and eye masks in adults reduces anxiety during Manyetic Resonance Imaging.
- Conditions
- Thorax Injuries, Cervical Injury Spine, Brain Trauma, Joint Trauma
- Trial name
- NCT07155863
- Testing
- Earplugs and eye mask
- Where
- Turkey (Türkiye)
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Ege University
Keratoconus, Ectasia
UVA-Riboflavin Crosslinking Treatment of Corneal Ectasia
The primary objective of this study is to evaluate two different ultraviolet (UV) dosing regimens for corneal collagen cross linking to slow the progressive changes in corneal curvature in eyes with progressive keratoconus or…
- Conditions
- Keratoconus, Ectasia, Corneal Ectasia
- Trial name
- NCT01325298
- Testing
- UV-X Light, Riboflavin
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Mercy Center for Corrective Eye Surgery
Myopia
A Study to Evaluate a New Silicone Hydrogel Contact Lens
The objective of this study is to determine the clinical feasibility and to evaluate the product performance of investigational contact lenses.
- Trial name
- NCT01309893
- Testing
- Investigational Lens, Air Optix Aqua lens
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
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