Clinical trials: Visualization
Visual Acuity
Evaluating Visual Acuity and Initial Fit Performance of Two Soft Contact Lenses
This is a multi-center, randomized, controlled, double-masked, 2x2 cross-over, non-dispensing study to compare visual acuity and lens fit performance.
- Trial name
- NCT04954833
- Testing
- EMO-200, EMO-118
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity, Astigmatism
LFR-260 vs Traditional Phoropter in Visual Acuity Testing
The purpose of this study is to establish if LFR-260 (investigational device) is not inferior in effectiveness to a traditional phoropter (control device) when applied in visual acuity test in subjects undergoing a full routine…
- Conditions
- Visual Acuity, Astigmatism, Anisometropia
- Trial name
- NCT05259163
- Testing
- LFR-260 portable phoropter, Traditional phoropter (SOC)
- Where
- 2 sites in United States
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- Evolution Optiks Limited
Routine Endoscopy
Study Comparing Flexible Spectral-Imaging Color Enhancement (FICE) With Olympus Narrow Band Imaging (NBI)
The study is intended to test the image quality of the FICE system to the predicate device, Narrow Band Imaging (NBI). The hypothesis is the images are of equal quality.
- Trial name
- FICE (NCT02005393)
- Testing
- FICE Image Acquisition followed by NBI Image Acquisition
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fujifilm Medical Systems USA, Inc.
Biliary Tract Diseases
Spy II Clinical Registry
A prospective, multi-center registry for subjects undergoing Endoscopic retrograde Cholangiopancreatography (ERCP) and cholangioscopy for known or suspected pancreaticobiliary disease.
- Trial name
- NCT00751998
- Testing
- SpyGlass
- Where
- 15 sites in United States, Belgium and 4 more
- Volunteers
- 297 people
- Sponsor
- Boston Scientific Corporation
Esophagus Cancer, Esophageal Cancer
Utility and Usability of ActivSight™ Laser Speckle Imaging in Visualization of Tissue Perfusion and Blood Flow During Esophageal Surgery in Humans
ActivSight™ combines an innovative form factor and proprietary software to deliver precise, objective, real-time visualization of blood flow and tissue perfusion intraoperatively for laparoscope-based surgery.
- Conditions
- Esophagus Cancer, Esophageal Cancer, Esophageal Neoplasms, Esophageal Diseases
- Trial name
- NCT05591053
- Testing
- ActivSight
- Where
- 2 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Activ Surgical
Retinitis Pigmentosa
Feasibility Study of a Chronic Retinal Stimulator in Retinitis Pigmentosa
The objective of this study is to evaluate the safety and efficacy of the retinal stimulation system by evaluating the data after chronic implantation.
- Trial name
- (A16) (NCT00279500)
- Testing
- Argus 16 Retinal Stimulation System
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Second Sight Medical Products
Visual Acuity
Clinical Performance of Three Daily Disposable Silicone Hydrogel Contact Lenses
This is a subject-masked, randomized, prospective, bilateral, 3x3 crossover dispensing clinical investigation to assess the clinical performance of a new lens type comparison.
- Trial name
- NCT06778057
- Testing
- Test Lens 1, Test Lens 2, Test Lens 3
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Presbyopia-Correcting Intraocular Lenses (IOLs)
The purpose of this study is to prospectively evaluate postoperative visual and refractive parameters in a series of subjects bilaterally implanted with Presbyopia-Correcting Intraocular Lenses (IOLs).
- Trial name
- NCT00963560
- Testing
- ReSTOR +3, Crystalens HD, Crystalens AO
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- Alcon Research
Visual Acuity
Clinical Study of Approved and Investigational Contact Lenses
This is a multi-site, 5-visit, double-masked, dispensing study comparing an investigational contact lens with currently-marketed contact lenses.
- Trial name
- NCT02708524
- Testing
- Senofilcon C Contact Lens, Comfilcon A Contact Lens, Lotrafilcon B Contact Lens
- Where
- 18 sites in United States
- Volunteers
- 554 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Mesopic Vision, Night Vision Loss
Safety and Efficacy of 0.75% Phentolamine Ophthalmic Solution in Subjects With Post-refractive Surgery Visual Disturbances
Safety and efficacy of 0.75% Phentolamine Ophthalmic Solution to improve mesopic low contrast visual acuity in subjects with post-refractive surgery visual disturbances.
- Trial name
- LYNX-2 (NCT06349759)
- Testing
- phentolamine ophthalmic solution 0.75%, a non-selective alpha-1 and alpha-2 adrenergic antagonist
- Where
- 25 sites in United States
- Volunteers
- 200 people
- Sponsor
- Opus Genetics, Inc
Visual Acuity
Clinical Investigation of Visual Acuity in Contact Lens Wearers After Instillation of Investigational Lubricating Eye Drops
This will be a single-visit, multi-site, randomized, single-masked, bilateral, active-controlled, non-dispensing, 2X2 crossover study.
- Trial name
- NCT05814367
- Testing
- Blink® Tears eye drops in a multidose bottle, Preservative-free investigational lubricating eye drops in a Novelia® eyedropper
- Where
- 3 sites in United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Alzheimer Disease, Neurofibrillary Tangle
Analysis of 18F-XTR006 PET Imaging in Cognitively Normal Subjects, and Patients With MCI and AD
The goal of this clinical trial is to evaluate the efficacy and safety of XTR006 injection PET visual reading in detecting brain neurofibrillary tangles (NFTs) in elderly subjects with Mild Cognitive Impairment (MCI), Alzheimer's…
- Trial name
- NCT07115238
- Testing
- XTR006
- Where
- China
- Volunteers
- 354 people, healthy volunteers welcome
- Sponsor
- Sinotau Pharmaceutical Group
Age Related Macular Degeneration
Study of WA-NG Telescope Prosthesis in Patients With End-stage Age-related Macular Degeneration
This is a pilot study to evaluate the safety of the Model WA-NG telescope prosthesis in patients with bilateral moderate to profound central vision impairment due to end-stage age-related macular degeneration.
- Trial name
- NCT01361256
- Testing
- Telescope prosthesis, WA-NG Telescope Prothesis
- Where
- Israel
- Sponsor
- VisionCare, Inc.
Myopia
Visual Performance of Highly Aspherical Lenslet Spectacles in Children (Ancillary to WS10246)
To evaluate the visual performance of (high and low contrast distance visual acuity, reading speed, near visual acuity, and near contrast sensitivity) of HAL spectacle lenses (habitual correction) in comparison with single vision…
- Trial name
- FIN-3102 (NCT07668102)
- Testing
- HAL spectacle lens, Single Vision spectacle lens
- Where
- 7 sites in United States
- Volunteers
- 88 people
- Sponsor
- Essilor International
Visual Disorder
A Clinical Trial to Evaluate Investigational Silicone Hydrogel Contact Lenses Worn Continuously for One Week
This study is a prospective, randomized, double-masked, bilateral, dispensing, parallel-group clinical trial design. All subjects will participate in a 2-week daily disposable contact lens adaptation period prior to being…
- Trial name
- NCT02543528
- Testing
- Investigational Lens 1, Investigational Lens 2, Investigational Lens 3
- Where
- India
- Volunteers
- 171 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Neovascular Age-Related Macular Degeneration
A Study Of The Effectiveness And Safety Of A 36-Week Refill Regimen For The Port Delivery System With Ranibizumab Vs Aflibercept Treat & Extend In Subjects With Neovascular Age-Related Macular Degeneration
This study will evaluate the effectiveness and safety of a 36-week refill regimen for the Port Delivery System with ranibizumab 100 mg/mL (PDS Q36W) compared with intravitreal injections of aflibercept (2 mg) administered per…
- Trial name
- Diagrid (NCT05126966)
- Testing
- Ranibizumab, Aflibercept, Port Delivery System with ranibizumab (PDS)
- Where
- 10 sites in Argentina, Denmark and 5 more
- Sponsor
- Hoffmann-La Roche
Visual Acuity
Clinical Evaluation of Manufacturing Processes for a Reusable Multifocal Optical Design in a Presbyopic Population
The clinical study is a randomized-controlled, double-masked, crossover clinical trial with two study treatments to compare two study lens types and the initial performance, in terms of the subjective response after a period of…
- Trial name
- NCT03787472
- Testing
- JJV Investigational senofilcon A Multifocal Lens1, JJV Investigational senofilcon A Multifocal Lens2
- Where
- 5 sites in United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Macular Edema
A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of GSK2798745 in Participants With Diabetic Macular Edema
The study will be composed of 3 periods for all participants: Screening, 28-day Treatment period, and Follow-up visit (approximately 28 days after the final dose).
- Trial name
- NCT04292912
- Testing
- GSK2798745
- Where
- 11 sites in United States, Australia and 1 more
- Volunteers
- 16 people
- Sponsor
- GlaxoSmithKline
Scar Prevention, Scar Reduction
A Study to Evaluate the Safety and Efficacy of AZX100 Drug Product Following Excision of Keloid Scars
The purpose of this study was to determine the safety of AZX100 Drug Product and to determine whether it was effective in preventing or reducing re-growth of surgically removed keloid scars.
- Trial name
- NCT00825916
- Testing
- AZX100 Drug Product
- Where
- 2 sites in United States
- Volunteers
- 59 people
- Sponsor
- Capstone Therapeutics
Teenagers, Myopia
Visual and Postural Behavior in Myopic and Non-Myopic Teenagers
The goal of this observational study is to learn whether different types of eyeglasses prescription and different types of lenses change how close teenagers hold objects when looking at them up close.
- Trial name
- CALYPSO (NCT07440134)
- Testing
- Ophtalmic measurements, Visuo-postual measurements
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Essilor International