Clinical trials: Homonymous Hemianopia
Homonymous Hemianopsia
Ongoing Effect of Expansion Prisms Following the Discontinuation of Use on Visual Field Enlargement and Retrograde Ganglion Cell Degeneration in Homonymous Hemianopia Patients
The goal of this observational study is to learn about the long-term effects of Pelli prism in Hemianopia patients who take Prisms for awareness of the area they cannot see.
- Trial name
- NCT06674369
- Testing
- Peli prism for hemianopia
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people
- Sponsor
- Okan University
Homonymous Hemianopsia, Homonymous Quadrantanopia
PAVE (Parallactic Visual-Field Enhancement) System for Treatment of Chronic Visual Field Loss Due to Stroke, Traumatic Brain Injury, or Brain Surgery
This is a research study to evaluate the effectiveness of the PAVE (Parallactic Visual-Field Enhancement) System for the treatment of chronic visual field loss due to stroke, traumatic brain injury, or brain surgery.
- Trial name
- NCT07185971
- Testing
- PAVE (Parallactic Visual-Field Enhancement) treatment using a virtual reality head mounted display
- Where
- 2 sites in United States
- Volunteers
- 20 people
- Sponsor
- NeuroAEye LLC
Homonymous Hemianopia, Stroke
Anatomical and Functional Predictions of Blindsight Capabilities in Patients With Lateral Hemianopsia
Homonymous lateral hemianopia (HLH) is characterized by loss of vision in half the visual field, and is the most common neurovisual disorder following stroke.
- Conditions
- Homonymous Hemianopia, Stroke, Cortical Blindness, Hemianopia
- Trial name
- PRE-SIGHT (NCT06636994)
- Where
- France
- Volunteers
- 50 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Hemianopia Homonymous, Stroke
Effects of Optokinetic Stimulation Without a Reading Task in Patients With Hemianopic Alexia
The goal of this clinical trial is to investigate whether optokinetic stimulation delivered without a reading task can improve reading performance in adults with post-stroke hemianopic alexia.
- Trial name
- OPTO (NCT07830745)
- Testing
- Optokinetic stimulation without reading task, Optokinetic stimulation with reading task
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Clinique Les Trois Soleils
Hemianopia, Homonymous, Tunnel Vision
Feasibility Tests for Various Prism Configurations for Visual Field Loss
The investigators will develop and test different configurations of high-power prisms to expand the field of vision of patients with visual field loss to assist them with obstacle detection when walking.
- Conditions
- Hemianopia, Homonymous, Tunnel Vision, Visual Field Defect, Peripheral, Visual Field Constriction Bilateral
- Trial name
- NCT04424979
- Testing
- High power prisms
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Stroke, Ischemic, Hemianopia, Homonymous
Statistical Learning as a Novel Intervention for Cortical Blindness
This project aims to develop a novel visual training paradigm for use in visually-intact participants and those sufferings from stroke-induced visual impairments.
- Conditions
- Stroke, Ischemic, Hemianopia, Homonymous, Hemianopsia, Occipital Lobe Infarct
- Trial name
- NCT06578117
- Testing
- Vision Training and Learning Task
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Cortical Blindness, Stroke Ischemic
Mechanisms of Visual Restoration After Occipital Stroke
This project will collect brain imaging data to quantify the effects of early visual cortex damage and visual training interventions on the structure and function of the residual visual system.
- Conditions
- Cortical Blindness, Stroke Ischemic, Vision Loss Partial, Visual Fields Hemianopsia
- Trial name
- MOVROS (NCT07134777)
- Testing
- MRI
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Visual Fields Hemianopsia, Hemianopsia, Homonymous
Visual Perceptual Learning for the Treatment of Visual Field Defect
This study evaluates the efficacy of visual perceptual learning for the treatment of visual field defect caused by brain damage.
- Trial name
- VIVID2 (NCT04102605)
- Testing
- Nunap Vision, Nunap Vision-C
- Where
- 5 sites in South Korea
- Volunteers
- 80 people
- Sponsor
- Nunaps Inc
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
Visual Field Defect Homonymous Bilateral
Neurofeedback-based Visual Restoration Therapy
Visual field defects are a common consequence of acquired brain injuries and affect people of all ages. These vision problems make everyday life more difficult-for example, when reading, driving, or moving around safely.
- Trial name
- ReViseNetFeed (NCT07237412)
- Testing
- neurofeedback
- Where
- 2 sites in Switzerland
- Volunteers
- 14 people
- Sponsor
- Adrian Guggisberg
Homonymous Hemianopsia, Stroke
Neuromodulation Through Multisensory Stimulation for Visual Field Deficits in the Subacute Stage of Disease
Homonymous visual field defects (HVFDs) after acquired brain injuries affect daily life by impairing reading, navigation, and social activities, often impacting anxiety and depression. Spontaneous recovery is rare.
- Trial name
- MULTICAMPO (NCT07358832)
- Testing
- tDCS, Audio-visual training
- Where
- Italy
- Volunteers
- 48 people
- Sponsor
- Istituto Auxologico Italiano
Homonymous Hemianopia
Homonymous Hemianopia in Childhood
The study will consist of two connected components at a single centre. Phase 1 is observational, phenotyping children with Homonymous hemianopia (HH).
- Trial name
- HHIC (NCT06115317)
- Testing
- Prism
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- Institute of Child Health
Homonymous Hemianopia
Clinical Trial of Peripheral Prism Glasses for Hemianopia
The purpose of this study is to evaluate the functional utility for general mobility (walking) of new high power permanent peripheral prism glasses, which provide visual field expansion device for patients with homonymous…
- Trial name
- NCT00494676
- Testing
- High power (57 prism diopter) peripheral prism glasses
- Where
- 13 sites in United States, United Kingdom
- Volunteers
- 73 people
- Sponsor
- Alexandra Bowers
Hemianopsia, Homonymous Hemianopia
Feasibility Test of Virtual Reality Obstacle Detection for Low Vision Walking
The investigators are developing a new test of pedestrian hazard detection in virtual reality (VR) head-mounted display (HMD) headset, which shows virtual oncoming pedestrians in 3D while subjects are walking in real-world…
- Conditions
- Hemianopsia, Homonymous Hemianopia, Tunnel Vision, Visual Field Defect, Peripheral
- Trial name
- NCT05141604
- Testing
- Field expansion view
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Homonymous Hemianopia
Assessment of Homonymous Visual 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 homonymous visual field loss, is threefold: (i) to identify the perimetric / psychophysical method, that is most closely correlated with an individually assessed…
- Trial name
- Hemi-Drive (NCT01372332)
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen