Clinical trials: Visualization
Hemianopia, Hemianopsia
Collision Warning Device for Blind and Visually Impaired
This study evaluates a novel collision warning device to help people with severe vision impairment or blindness avoid collisions with obstacles.
- Conditions
- Hemianopia, Hemianopsia, Peripheral Visual Field Defect, Blindness
- Trial name
- NCT03057496
- Testing
- Collision warning device
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Retinitis Pigmentosa
A Study of Encapsulated Cell Technology (ECT) Implant for Participants With Early Stage Retinitis Pigmentosa
The purpose of this study is to look at the safety and effectiveness of CNTF implants on vision in persons with retinitis pigmentosa, Usher type II \& III, and Choroideremia.
- Trial name
- NCT00447980
- Testing
- NT-501
- Where
- 12 sites in United States
- Volunteers
- 73 people
- Sponsor
- Neurotech Pharmaceuticals
Dry Eye
The Effect of Systane Ultra Lubricant Eye Drops (FID 112903) on Visual Performance
To evaluate the effect of 2 different lubricant eye drops on visual function of patients with dry eye
- Trial name
- NCT00673764
- Testing
- Systane Ultra Lubricant Eye Drops, Optive Lubricant Eye Drops
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Alcon Research
Amputation
Does Walking Performance Improve When Veterans With Leg Amputations Are Given Visual Feedback?
Previous studies suggest that Veterans with below the knee amputation using passive-elastic or powered prostheses have impaired physical function, which could increase the risk of osteoarthritis, leg/back pain, and…
- Trial name
- NCT03974945
- Testing
- Passive-elastic prosthetic foot, Powered ankle-foot prosthesis
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Cervical Cancer, HPV Infection
Identification and Treatment of Cervical Abnormalities in Perú Through Integration of Pocket Colposcopy and Telemedicine
The Pocket colposcope has 510k FDA clearance and has been successfully used in almost 1500 unique patients globally in Duke and non-Duke protocols to date.
- Conditions
- Cervical Cancer, HPV Infection, HIV Infections
- Trial name
- NCT05340322
- Testing
- Colposcopy using pocket colpscope and thermocoagulator
- Where
- Peru
- Volunteers
- 503 people
- Sponsor
- Duke University
Visual Acuity
Evaluation of Toric Soft Contact Lenses Containing a Chromophore to Block High-Energy Visible Light
This will be a 4-visit, randomized, controlled, single-masked, bilateral wear, dispensing, 2-treament, 2-sequence, 3-period crossover study to evalulate overall vision and comfort..
- Trial name
- NCT05344560
- Testing
- soft contact lens in senofilcon A (C3) with HEVL-blocking chromophore, ACUVUE OASYS 1-Day for Astigmatism
- Where
- 10 sites in United States
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Complex Regional Pain Syndromes, Back Pain
Virtual Reality Guided Imagery for Chronic Pain
To assess treatment with an at-home Virtual Reality Guided Imagery (VR-GI) intervention, 36 patients with chronic pain (18 with chronic back pain, CBP, and 18 with complex regional pain syndrome, CRPS) will complete a 2-week…
- Trial name
- VRGI (NCT04849897)
- Testing
- Experimental: Virtual Reality Guided Imagery, Active Comparator: Audio Only Guided Imagery
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- University of Southern California
Brain Tumor, Central Nervous System Tumor
Carboplatin, Vincristine, and Temozolomide in Treating Children With Progressive and/or Symptomatic Low-Grade Glioma
RATIONALE: Drugs used in chemotherapy, such as carboplatin, vincristine, and temozolomide, work in different ways to stop tumor cells from dividing so they stop growing or die. Giving more than one drug may kill more tumor cells.
- Trial name
- NCT00077207
- Testing
- carboplatin, temozolomide, vincristine sulfate
- Where
- United States
- Volunteers
- 66 people
- Sponsor
- Children's Oncology Group
Visual Acuity
Design Validation of Senofilcon A With New UV-blocking Additive
This is a 2-visit, multi-site, partially subject-masked, 2-arm parallel, controlled, randomized and dispensing trial. Subjects will be randomized to one of two study lenses for the entire duration of the study.
- Trial name
- NCT03707821
- Testing
- senofilcon A TEST Lens, senofilcon A CONTROL Lens
- Where
- 10 sites in United States
- Volunteers
- 253 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Pseudophakia
The Effects of Angle Kappa on Clinical Outcomes With the PanOptix Intraocular Lens
Angle Kappa is considered a potential factor in explaining suboptimal outcomes with intraocular lenses (IOLs), particularly multifocal IOLs. Some evidence suggests this is not the case.
- Trial name
- NCT04242875
- Testing
- Angle Kappa, Visual disturbance questionnaire.
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Carolina Eyecare Physicians, LLC
Pain
Superiority Study for Pain Treatment After Cesarean
The purpose of this study is to investigate adequate pain treatment for patients after cesarean. In this study oral opioids were compared to intravenous opioids as they are supposed to provide superior pain control.
- Trial name
- NCT01115101
- Testing
- Oral Oxycodon, Piritramid
- Where
- Germany
- Volunteers
- 239 people
- Sponsor
- Max Dieterich
Visual Acuity
Objective Vision Evaluation of Two Cosmetic Contact Lenses
This is a single visit, single site, brand-masked, non-dispensing, 2×2 bilateral crossover study. Each subject will be bilaterally fitted with one of the two test articles in each of the study periods.
- Trial name
- NCT04287036
- Testing
- JJVC Investigational Contact Lens, 1-DAY ACUVUE® DEFINE® Radiant Sweet™
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
The Effects of Contact Lenses With UV/HEV-Filter on Visual Function
This is a 2-phase, single-site, non-dispensing, randomized, controlled, double-masked, 2x2 crossover study to objectively measure potential benefits of a new UV/HEV filter using psychophysical testing techniques.
- Trial name
- NCT05601544
- Testing
- ACUVUE OASYS 1-Day, ACUVUE OASYS MAX 1-Day, ACUVUE OASYS Multifocal
- Where
- United States
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataracts
Visual Function Evaluation of Bilateral AcrySof ReSTOR Aspheric IOL
The objective of this study is to evaluate postoperative visual function in patients implanted bilaterally with the ReSTOR Aspheric Intraocular Lens (IOL).
- Trial name
- NCT00818116
- Testing
- AcrySof ReSTOR Aspheric IOL
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Alcon Research
Glaucoma
Macular Pigment and Visual Performance in Glaucoma Patients
The purpose of this study is to determine cross-sectional relationships between macular pigment optical density (MPOD) and visual performance in glaucoma.
- Trial name
- NCT03959592
- Testing
- Lutein, zeaxanthin and mesozeaxanthin
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Felipe Medeiros, MD
Postoperative Pain
Continuous Subpleural Infusion of Bupivacaine
Rationale: For the past 3 years the investigators have routinely used an axial subpleural tunneling technique that del Study Design: All patients over the age of 18 having an isolated thoracoscopic procedure performed at Inova…
- Trial name
- NCT01566838
- Testing
- Subpleural pain catheter with infusion of 0.125% bupivacaine, Standard acute pain management
- Where
- United States
- Volunteers
- 83 people
- Sponsor
- Inova Health Care Services
Visual Perception
Studying the Effects of Natural Visual Scene Changes on Typical Adult Visual Perception
The natural visual environment is complex and rich with different stimuli and features. The visual system must constantly extract behaviorally relevant visual information from an abundance of irrelevant information in the visual…
- Trial name
- NCT05004649
- Testing
- Psychophysical task
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Chronic Rhinosinusitis
Total Intravenous Anesthesia (TIVA) vs. Inhaled Anesthesia for Endoscopic Sinus Surgery.
The purpose of this study is to compare total intravenous anesthesia to inhaled anesthesia in endoscopic sinus surgery for chronic sinusitis.
- Trial name
- NCT01214057
- Testing
- Propofol and Remifentanyl, Sevoflurane and Remifentanyl
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- The University of Texas Health Science Center, Houston
Branch Retinal Vein Occlusion
Efficacy and Safety of Ranibizumab With or Without Laser in Comparison to Laser in Branch Retinal Vein Occlusion
This study will generate comparative data for 0.5-mg ranibizumab using PRN dosing administered with or without adjunctive laser treatment versus laser photocoagulation (the current standard of care) up to Month 6 in patients with…
- Trial name
- BRIGHTER (NCT01599650)
- Testing
- Ranibizumab, Laser
- Where
- 82 sites in Australia, Canada and 15 more
- Volunteers
- 455 people
- Sponsor
- Novartis Pharmaceuticals
HPV Infection, Cervical Cancer
HPV-Based Screen-and-Treat Demonstration Project in Lilongwe
The purpose of this study is to assess completion and performance of the following novel invasive cervical cancer (ICC) screen-and-treat algorithm among 625 HIV-positive women in Lilongwe, Malawi: 1) rapid testing of…
- Conditions
- HPV Infection, Cervical Cancer, HIV Infections
- Trial name
- NCT04092257
- Testing
- VIA and thermocoagulation
- Where
- Malawi
- Volunteers
- 1,250 people, healthy volunteers welcome
- Sponsor
- UNC Lineberger Comprehensive Cancer Center