Clinical trials: Visualization
Reflex Sympathetic Dystrophy
Investigation of the Efficacy of tDCS in the Treatment of Complex Regional Pain Syndrome (CRPS) Type 1
The efficacy of the current standard non-pharmacological treatments for complex regional pain syndrome (CRPS), a painful syndrome mostly occurring after musculoskeletal trauma, is suboptimal.
- Trial name
- NCT01960400
- Testing
- Graded motor imagery (GMI)
- Where
- Canada
- Volunteers
- 22 people
- Sponsor
- Université de Sherbrooke
Rotator Cuff Tears, Hemorrhage, Surgical
Effect of Intravenous Tranexamic Acid on Visual Clarity During Shoulder Arthroscopy in the Beach Chair Position
Shoulder arthroscopy offers numerous advantages and has led to a continuous increase in procedural complexity. Adequate intraoperative visual clarity is essential for successful performance of the procedure and is primarily…
- Conditions
- Rotator Cuff Tears, Hemorrhage, Surgical, Shoulder Injuries
- Trial name
- NCT05397652
- Testing
- Tranexamic Acid Injectable Product
- Where
- Croatia
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Nikola Matejcic
Visual Acuity
Evaluation of Dryness in a Silicone Hydrogel Daily Disposable Contact Lens
This is a multi-site, randomized, bilateral, dispensing, parallel design study with two arms to evaluate contact lens related dry eye symptoms and subjective comfort.
- Trial name
- NCT04849780
- Testing
- ACUVUE Oasys 1-Day, Habitual Lens
- Where
- 9 sites in United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Error, Myopia
Clinical Comparison of DDT2 Contact Lens and a Daily Disposable Contact Lens - Study 1
The purpose of this study was to evaluate visual acuity at distance when wearing DDT2 contact lenses compared to Acuvue Moist contact lenses.
- Trial name
- NCT03888469
- Testing
- Verofilcon A contact lenses, Etafilcon A contact lenses
- Where
- 5 sites in United States
- Volunteers
- 92 people
- Sponsor
- Alcon Research
Optic Neuritis
Effect of Phenytoin on the Ganglion Cell Layer in Patients With Optic Neuritis
Optic neuritis typically occurs in young (mean age, 32 years), female (77%) patients, and it presents as subacute monocular visual loss that develops over several days.
- Trial name
- NCT02939937
- Testing
- Phenytoin
- Where
- Iran
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Tehran University of Medical Sciences
Colorectal Lesions
Evaluation of Capsule Endoscopy With PillCam® Colon 2 in Visualization of the Colon
This pilot, multi center study will establish the effectiveness of Given PillCam® Platform with the PillCam® Colon 2 Capsule as demonstrated by the identification of subjects with polyps, compared to standard colonoscopy.
- Trial name
- NCT01269372
- Testing
- PillCam Colon 2, Colonoscopy
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medtronic - MITG
Retinitis Pigmentosa
Evoked Retinal Response
Retinitis pigmentosa (RP) is the name given to a group of inherited eye diseases that affect the retina (the light-sensitive part of the eye).
- Trial name
- NCT01415453
- Testing
- Ultrasound Stimulus
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Columbia University
Diabetic Macular Edema, Hard Lipid Exudates
The Effect of Intravitreal Ranibizumab on Visual Acuity and Hard Exudate Resolution in the Treatment of Diabetic Macular Edema With Center Involved Edema and Lipid Exudates
This is an open-label, Phase I/II study of intravitreally administered 0.3mg ranibizumab in subjects with diabetic macular edema and lipid exudates in the central subfield.
- Trial name
- NCT02448446
- Testing
- ranibizumab 0.3mg
- Where
- 4 sites in United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- South Coast Retina Center; Carson, McBeath, Boswell, Inc.
Visual Acuity
Evaluation of a Daily Disposable Silicone Hydrogel Multifocal Contact Lens in Myopes and Hyperopes
This is a single-masked, single-arm, dispensing clinical trial that will evaluate vision, eye health and fit acceptance.
- Trial name
- NCT05222880
- Testing
- JJVC Investigational Multifocal Contact Lenses manufactured in senofilcon A C3
- Where
- 12 sites in United States
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Central Retinal Vein Occlusion
Assessing the Efficacy and Safety of Brolucizumab Versus Aflibercept in Patients With Visual Impairment Due to Macular Edema Secondary to Central Retinal Vein Occlusion
The purpose of this study was to evaluate the efficacy and safety of brolucizumab in treatment of patients with macular edema (ME) secondary to central retinal vein occlusion (CRVO).
- Trial name
- RAVEN (NCT03810313)
- Testing
- Brolucizumab 6 mg, Aflibercept 2 mg
- Where
- 120 sites in United States, Australia and 18 more
- Volunteers
- 493 people
- Sponsor
- Novartis Pharmaceuticals
Stroke
Visualization of Cerebral Arteries Using Contrast-Enhanced Transcranial Ultrasound in Stroke Patients
The purpose of this study is to find out more about the usefulness of ultrasound in combination with a contrast solution to look for blood vessel blockage or occlusion in the brains of stroke patients.
- Trial name
- NCT00282841
- Testing
- ultrasound
- Where
- 2 sites in United States
- Volunteers
- 61 people
- Sponsor
- University of California, San Diego
Idiopathic Intracranial Hypertension
Surgical Idiopathic Intracranial Hypertension Treatment Trial
Randomized trial of adults (≥18 years old) with idiopathic intracranial hypertension and moderate to severe visual loss without substantial recent treatment who are randomly assigned to (1) medical therapy, (2) medical therapy…
- Trial name
- SIGHT (NCT03501966)
- Testing
- Acetazolamide, Optic Nerve Sheath Fenestration, Ventriculoperitoneal CSF Shunting
- Where
- 36 sites in United States, Canada and 1 more
- Volunteers
- 7 people
- Sponsor
- Jaeb Center for Health Research
Sleep
Memory Consolidation in Pharmacologically Enhanced Naps
This study will examine whether various drugs affecting sleep cycles can improve different kinds of memory.
- Trial name
- NCT00777829
- Testing
- zolpidem
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Surgery
Train-of-four Monitoring Using the Tetragraph
This is a prospective study that will evaluate the feasibility of using the Tetragraph Neuromuscular Transmission Monitor in comparison to standard (visual) train-of-four assessment with a peripheral nerve stimulator in pediatric…
- Trial name
- NCT04475250
- Testing
- Tetragraph (TM) NMT Monitor
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Joseph D. Tobias
Visual Acuity
Evaluation of a Daily Disposable Novel Multifocal Contact Lens in a Hyperopic Population
This is a 6-visit, subject-masked, multi-site, 2×3 crossover dispensing trial that will last approximately 2 - 4 months.
- Trial name
- NCT04567186
- Testing
- Investigational senofilcon A C3 Multifocal Lens, delefilcon A Multifocal Lens
- Where
- 7 sites in United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Evaluation of Daily Disposable Silicone Hydrogel Multifocal Toric Contact Lenses
The study is a bilateral, single-masked, single-arm, 4-visit dispensing study. There will be one study treatment, with the subject being dispensed lenses for 6 to 8 days, then lens power will be optimized (if necessary) and…
- Trial name
- NCT04974697
- Testing
- JJVC Investigational Multifocal Toric Contact Lens
- Where
- 8 sites in United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Motor Activity
Motor Imagery Intervention for Improving Gait and Cognition in the Elderly
The investigators propose a single-blind randomized clinical trial to determine if seniors show improved mobility (walking speed) and cognition following motor imagery (imagined walking) training.
- Trial name
- NCT02762604
- Testing
- Imagined Gait Intervention, Visual Imagery Intervention
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Albert Einstein College of Medicine
Cataract
Visual Function and Patient Satisfaction After Bilateral Implantation of AcrySof Natural ReSTOR (Model SN60D3) or AcrySof Natural Monofocal (Model SN60AT)
The purpose of the study is: to compare visual parameters (Subjective refraction and Visual Acuity (VA)) and safety (tilt, decentration and posterior chamber opacification (PCO)) in a prospective series of 40 patients after…
- Trial name
- NCT00759668
- Testing
- Acrysof Natural ReSTOR SN60D3, Acrysof Natural Monofocal SN60AT
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Alcon Research
Decision Making, Computer Aided Diagnosis
Project 3 Example: Human-AI Collaboration Tester (HAICT) Exp. 7
The study is one part of a "bundle" of experiments that constitute Project Three of a National Eye Institute grant. Project Three includes a series of experiments that investigate how changing the input from a simulated AI can…
- Trial name
- NCT05272189
- Testing
- Simulated Second Reader AI, Target Prevalence
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Pseudophakia
Visual Outcomes and Patient Satisfaction With Bilateral PanOptix Verses Bilateral Synergy
Background: The Tecnis Synergy intraocular lens (IOL) has a claim to allow patients to experience continuous high-contrast vision from far through near even in low-light conditions.
- Trial name
- NCT06041139
- Testing
- Visual Acuity, Defocus Curve, Halo and Glare testing
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Berkeley Eye Center