Clinical trials: Visualization
Visual Impairment, Macular Edema
Efficacy and Safety of Ranibizumab Intravitreal Injections Versus Dexamethasone Intravitreal Implant in Patients With Branch Retinal Vein Occlusion (BRVO)
This clinical trial is designed to compare ranibizumab in comparison with Dexamethasone implant after 6 months of treatment. In the study arm Ranibizumab will be given monthly in a pro re nata scheme whereas the comparator…
- Conditions
- Visual Impairment, Macular Edema, Branch Retinal Vein Occlusion
- Trial name
- COMRADE-B (NCT01396057)
- Testing
- Ranibizumab, Dexamethasone Implant
- Where
- 66 sites in Czechia, Germany and 3 more
- Volunteers
- 244 people
- Sponsor
- Novartis Pharmaceuticals
Visual Acuity
Influence of Lens Design on Particulate Exchange in the Post-lens Tear Film
This is a 5-visit, controlled, bilateral, randomized, subject-masked, crossover (4 treatments x 4 period), non-dispensing study.
- Trial name
- NCT03782571
- Testing
- etafilcon a Test 1, etafilcon A Test 2, etafilcon A Test 3
- Where
- United Kingdom
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Epilepsies, Partial
Vision Testing in Patients With Partial Seizures Receiving Either Lyrica or Placebo
Patients with partial seizures currently taking 1-3 antiepileptic medications will have a 50:50 chance to receive Lyrica 300 mg per day or placebo (no active ingredients) added on to their current medications for 3 months.
- Trial name
- NCT00351611
- Testing
- Lyrica (pregabalin)
- Where
- 150 sites in United States, Bulgaria and 7 more
- Volunteers
- 187 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
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
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
Breast Cancer
Narrative Visualization for Breast Cancer Survivors' Physical Activity
This study tests the feasibility and acceptability of a physical activity intervention that combines use of a wearable activity monitor with a scrapbook.
- Trial name
- NCT03612596
- Testing
- Narrative visualization, Standard self-regulation
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
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.
Endodontic Disease, Post Operative Pain
Effect of Post-Operative Anesthetics on Post-Operative Pain in Patients Receiving Endodontic Treatment
This study will assess the efficacy of two local anesthetics (2% lidocaine 1:100,000 epinephrine and 0.5% bupivicaine 1:200,000 epinephrine) in reducing post-operative pain in patients receiving endodontic treatment.
- Conditions
- Endodontic Disease, Post Operative Pain, Symptomatic Irreversible Pulpitis
- Trial name
- NCT05338671
- Testing
- Local anesthetic
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Washington
Visual Acuity
Evaluation of Lens Rotation in Habitual Wearers of Toric, Soft Contact Lenses
This will be a single site, 2-visit, randomized, controlled, single-masked, non-dispensing, bilateral wear, 2x2 cross over study to assess visual acuity.
- Trial name
- NCT06649019
- Testing
- ACUVUE OASYS 1-Day for Astigmatism (AO1DfA), Dailies Total 1 for Astigmatism (DT1fA)
- Where
- United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Adult Anaplastic Ependymoma, Adult Anaplastic Oligodendroglioma
18F-FDOPA PET/CT or PET/MRI in Measuring Tumors in Patients With Newly-Diagnosed or Recurrent Gliomas
To evaluate 18F-FDOPA PET obtained from PET/CT or PET/MRI imaging in patients with newly diagnosed or recurrent gliomas.
- Conditions
- Adult Anaplastic Ependymoma, Adult Anaplastic Oligodendroglioma, Adult Brain Stem Glioma, Adult Diffuse Astrocytoma
- Trial name
- NCT02175745
- Testing
- 18F-fluoro-dihydroxyphenylalanine, Positron emission tomography (PET), Computed tomography (CT)
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Erik Mittra
Visual Acuity
Evaluation of a Daily Disposable Novel Multifocal Contact Lens in a Myopic Population; Part 2
This is a 6-visit, subject-masked, multi-site, 2×3 crossover dispensing trial that will last approximately 2 - 4 months.
- Trial name
- NCT04615507
- Testing
- JJVC Investigational Multifocal Contact Lens, Dailies Total 1® Multifocal Contact Lens
- Where
- 6 sites in United States
- Volunteers
- 71 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
Astigmatism
Evaluation of Two Toric Soft Contact Lenses After Two Weeks of Wear
The purpose of this study is to determine the relative performance of a new toric soft contact lens against a toric contact lens currently available in market, specifically with regards to the comfort and vision after two weeks…
- Trial name
- NCT00584220
- Testing
- senofilcon A toric, alphafilcon A toric
- Volunteers
- 96 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Evaluation of Binocular Visual Acuity and Refractive Stability in the Alcon Clareon Intraocular Lens
The objective is to evaluate refractive stability (spherical equivalent change ≤ 0.50D from 1-month to 3-months).
- Trial name
- NCT04936256
- Testing
- Clareon
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Gainesville Eye Associates
Cataract
Visual Function After Implantation of Bilateral AcrySoft ReSTOR Aspheric IOL
This study will involve up to 20 bilateral patients per surgeon. Patients will be assessed pre-operatively, and at subsequent visits (following the implantation of the intraocular lens in the second eye) at 1 week, 1 month, 3…
- Trial name
- NCT00934622
- Testing
- AcrySof® ReSTOR® Aspheric IOL
- Where
- United States
- Volunteers
- 76 people
- Sponsor
- Alcon Research
Spinal; Puncture, Complications
Ultrasound vs Palpation for Infant Lumbar Puncture
The purpose of this study is to determine if performing an ultrasound to identify the space to insert the needle before performing a lumbar puncture will improve success of the procedure and patient safety.
- Trial name
- NCT02373774
- Testing
- Ultrasound
- Where
- United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Columbia University
Atherectomy in Diseased Lower Extremity Arteries
OptiCal COherence ToMography ABoard InformiNg AtherEctomy
This is a prospective, multi-center, non-randomized single arm feasibility trial of the Wolverine OCT guided atherectomy system.The trial will enroll up to 50 subjects diagnosed with peripheral vascular disease of the lower…
- Trial name
- COMBINE (NCT01775410)
- Testing
- Wolverine System to perform atherectomy
- Where
- 2 sites in Colombia
- Volunteers
- 4 people
- Sponsor
- Avinger, Inc.
Blindness
Visual Information Restoration and Rehabilitation Via Sensory Substitution Technology in Children
The BrainPort vision device is a visual prosthetic designed for those who are blind. It enables perception of visual information using the tongue and camera system as a paired substitute for the eye.
- Trial name
- NCT03002597
- Testing
- BrainPort V200 Device
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Ellen Mitchell
Deep Brain Stimulation
Evaluation of Advanced Imaging and Visualization for Clinical Deep Brain Stimulation
The objective of this project is to evaluate next generation visualization tools and surgical targeting models for clinical deep brain stimulation (DBS).
- Trial name
- NCT06191874
- Testing
- Standard-of-care (SOC) surgery plan, HoloDBS hypothetical surgery plan
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Duke University
Alzheimer Disease, Alzheimer Dementia
Effects of Visual Cues and Education for People Who Live Within Long Term Care Communities to Assist in Wayfinding
The ability to find one's way in the world is known as wayfinding. Many older adults who live in senior communities, such as independent living and assisted living residences, find wayfinding very challenging.
- Conditions
- Alzheimer Disease, Alzheimer Dementia, Age-Related Memory Disorders, Dementia
- Trial name
- NCT03537729
- Testing
- Salient Cues, Spaced Retrieval Education
- Where
- 2 sites in United States
- Volunteers
- 172 people
- Sponsor
- Grand Valley State University