Clinical trials: Vision; Disorder, Loss
Vision; Disorder, Loss, Caregiver Burnout
Virtual Health Education vs Meditation in Irreversible Age-Related Vision Loss Patients and Their Caregivers
Vision loss is common among older adults and leads to an increased risk for depression and difficulties in daily tasks, thus requiring dependence on caregivers.
- Conditions
- Vision; Disorder, Loss, Caregiver Burnout, Quality of Life, Depression
- Trial name
- NCT04583748
- Testing
- Sahaj Samadhi Meditation, Health Enhancement Program
- Volunteers
- healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Relative Afferent Pupil Defect (RAPD)
Measuring Relative Afferent Pupillary Defect
The goal of this prospective reliability study is to test the effectiveness of a commercially available, off-the-shelf virtual reality head-mounted display (VR HMD) and machine learning (ML) algorithms in detecting Relative…
- Trial name
- RAPD (NCT05799066)
- Testing
- Swinging Light test, Virtual Reality Head-Mounted Display (VR HMD)
- Where
- United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Glaucoma
Does Glaucoma Cause Loss of Brain Function?
The purpose of the study is to determine if glaucoma is associated with neurodegenerative changes in areas of the brain other than the occipital lobe.
- Trial name
- NCT01303939
- Testing
- magnetic resonance imaging (MRI) of the brain
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Glaucoma
Assessment of Advanced Glaucomatous Visual Field Loss and Its Impact on Visual Exploration, Activities of Daily Living (ADL) and Quality of Life (QoL)
The purpose of this explorative study, targeting subjects with advanced binocular glaucomatous visual field loss, is: (i) to identify the perimetric / psychophysical method, that is most closely correlated with an individually…
- Trial name
- GlaucomaEXPLOR (NCT01372319)
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Concussion, Eye
The Effects of Concussion on Gait and Posture in Individuals With Peripheral Vision Loss
Changes in gait and balance often occur in individuals who have suffered a concussion. In addition, a subset of concussed individuals also experience peripheral vision loss.
- Trial name
- NCT05948501
- Where
- 2 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Gaylord Hospital, Inc
Type 1 Diabetes, Diabetes Insipidus
Tracking Neurodegeneration in Early Wolfram Syndrome
The goal of this study is to determine the pattern of early neurodegenerative changes in WFS (Wolfram Syndrome). The investigator will perform cross-sectional and longitudinal assessments of youth with WFS, targeting sensitive…
- Conditions
- Type 1 Diabetes, Diabetes Insipidus, Diabetes Mellitus, Wolfram Syndrome
- Trial name
- TRACK (NCT02455414)
- Where
- United States
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Delirium
Improve the Patients' Recovery With Family- Caregivers to End Delirium
This research is being done to find out if patients and caregivers who use the iPREPARED mobile health technology experience less delirium, a type of acute confusion, and if they do experience delirium, the delirium will be less…
- Trial name
- iPREPARED (NCT05118867)
- Testing
- iPREPARED
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Glaucoma, Endothelial Cell Loss, Corneal
Changes in Corneal Endothelial Cell Density After Transscleral ab Interno Glaucoma Gel Stent Implantation
The objective of this study is to evaluate the change of endothelial cell count after XEN45 in patients with or without cataract operation.
- Trial name
- NCT04547036
- Testing
- XEN45
- Where
- Austria
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Paracelsus Medical University
Stroke, Ischemic, Quadrantanopia
Vision Loss Impact on Navigation in Virtual Reality
The purpose of this research is to better understand the impact of cortically-induced blindness (CB) and the compensatory strategies subjects with this condition may develop on naturalistic behaviors, specifically, driving.
- Conditions
- Stroke, Ischemic, Quadrantanopia, Hemianopsia, Homonymous, Hemianopia, Homonymous
- Trial name
- NCT06047717
- Testing
- Virtual Reality Driving Task
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Vision Loss
First-Sight Refractive Error Correction in the Developing World
The aim of this study is to test the efficacy of the First-Sight refractive kit designed to provide refractive correction of simple hyperopia, myopia and astigmatism with autorefraction.
- Trial name
- NCT01598818
- Where
- 2 sites in United States, Haiti
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Oral Proprioceptive Sensitivity and Upper Limb Kinesthetic Acuity
Oral Proprioceptive Sensitivity and Upper Limb Kinesthetic Acuity: A Pilot Study
The goal of this observational study is to investigate whether differences in oral proprioceptive sensitivity are associated with differences in kinesthetic acuity of the upper limbs in children.
- Trial name
- NCT07854314
- Testing
- Upper-Limb Kinesthetic Acuity Assessment, Effect of Auditory Stimulation on Visual Perception, Oral Proprioceptive Sensitivity Assessment
- Where
- Spain
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Sophie Román Richon
Age Related Macular Degeneration
Use of Self-management Group to Improve Quality of Life in Patients With Low Vision
120 Patients with visual acuity <6/12 will be randomized to receive either usual care or participate in a 6-week, 2 hour 'Living with Vision Loss' program led by trained leaders.
- Trial name
- NCT03046485
- Testing
- Self management program 'Living with Vision Loss'
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Blindness
Sensory Substitution and Brain Plasticity Following Vision Loss
The goal of this clinical investigation is to learn how the brain responds when visual information is converted into patterns of sound or touch in blind and sighted participants.
- Trial name
- SenSubMRI (NCT07450677)
- Testing
- Electrotactile display (BrainPort), Vision-to-sound converter (AI Sight)
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Stanford University
Neurocognitive Disorders, Post Operative Delirium
Safe Brain Initiative, Operationalizing Precision Anaesthesia
Perioperatively, patients experience an unnecessarily high level of side effects associated with their treatment. These side effects include nausea, severe pain, anxiety, and stress.
- Conditions
- Neurocognitive Disorders, Post Operative Delirium, Pain, Nausea
- Trial name
- SBI (NCT05765162)
- Testing
- Patient reported ourcomes
- Where
- Denmark
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- University of Southern Denmark
Corneal Endothelial Cell Loss, Secondary Intraocular Lens
Anterior Chamber Versus Scleral Fixated Intraocular Lens: Long-term Vision and Safety Outcomes
This is a prospective comparative non-randomized cohort study to understand the long-term vision outcomes, safety, and stability of anterior chamber intraocular lenses (AC IOLs) vs. scleral-fixated intraocular lenses (SF IOLs).
- Trial name
- NCT04072978
- Testing
- Intraocular lens implantation
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Vision Disorders, Diabetes
Implementing Artificial Intelligence to Prevent Vision Loss From Diabetes
This pragmatic clinical trial is being conducted to test the effectiveness of AI in improving screening and follow-up eye care compared to usual-care among patients with diabetes across 4 primary care clinics.
- Trial name
- NCT07559292
- Testing
- AI, Usual Practice
- Where
- United States
- Volunteers
- 1,700 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Blindness
Virtual Reality Mobility Training System for Veterans With Vision Loss
This is a two-year proof-of-concept study to evaluate a new Virtual Reality (VR) "holographic" sound system for use as an audiological Orientation and Mobility (O\&M) training tool
- Trial name
- NCT00333879
- Testing
- Virtual Sound System
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Retinitis Pigmentosa
Development of Visual Function Evaluation Method
The objective of this study is to develop the comprehensive visual function evaluation method in severe visually impaired patient
- Trial name
- NCT03281005
- Where
- Japan
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Astellas Pharma Inc
Eye Diseases, Severe Loss of Vision
Holistic Mixed Approaches to Capture the Real Life of Children With Rare Eye Diseases
Rare Eye Diseases (RED) are the leading cause of severe visual impairment/ blindness (SVI/B) in children in Europe. This sensory disability with its accompanying psychological distress hugely impacts their lives and their…
- Conditions
- Eye Diseases, Severe Loss of Vision, Blindness, Quality of Life
- Trial name
- SeeMyLife (NCT06070467)
- Testing
- Mixed Methods Research (MMR) using quantitative (QUAN) and qualitative (QUAL) tools
- Where
- France
- Volunteers
- 154 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Peri-implantitis, Alveolar Bone Loss
Diagnostic Accuracy of Large Language Models for Peri-Implant Marginal Bone Loss on Panoramic Radiographs
Dental implants are a routine treatment for missing teeth, but the number of implants affected by peri-implantitis, a progressive inflammatory disease of the tissues around implants, is increasing.
- Conditions
- Peri-implantitis, Alveolar Bone Loss, Dental Implant
- Trial name
- NCT07907900
- Testing
- Multimodal large language model evaluation (ChatGPT, Gemini, Claude, DeepSeek, Grok)
- Where
- Turkey (Türkiye)
- Volunteers
- 784 people, healthy volunteers welcome
- Sponsor
- Ankara University