Clinical trials: Visual Field Defect
Pseudotumor Cerebri
Multifocal Chromatic Pupilloperimetry in Patients With Pseudotumor Cerebri and Healthy Subjects.
PTC(Pseudotumor cerebri) patients may develop increased Intracranial pressure (ICP) that can produces increased pressure around the distal optic nerve,which is likely followed by venule compression, ischemia, and loss of visual…
- Trial name
- NCT03304314
- Testing
- objective chromatic multifocal pupillometer
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Glaucoma, Open-Angle
Visual Field Defect Estimation Using Sequentially Optimized Reconstruction Strategy on Healthy and Glaucoma Subjects
Perimetry is a well-established method that is used to measure the visual field functions of humans. Commercially available products, such as the OCTOPUS 900 (Haag-Streit AG, Koeniz, Switzerland), are commonly used for assessing…
- Trial name
- NCT03325751
- Testing
- Visual field testing
- Where
- Switzerland
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Glaucoma
Heidelberg Edge Perimetry (HEP) Detecting Glaucomatous Visual Field Defects
The purpose of this study is to compare standard automated perimetry (SAP) using the Heidelberg Edge Perimeter (HEP) to the Octopus Visual Field (OVF) analyzer and determine test-retest reliability of both parameters in detecting…
- Trial name
- HEP (NCT02526654)
- Testing
- Heidelberg Edge Perimeter, Octopus Visual Field, Optical Coherence Tomography
- Volunteers
- 115 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
Primary Open Angle Glaucoma
Glaucoma, Visual Field Loss, and Their Association With Life Space in Older Adults
Mobility refers to a person's purposeful movement through the environment from one place to another and can be conceptualized as a continuum from bed bound (immobility) on one extreme to making excursions to distant locations on…
- Trial name
- NCT04396002
- Testing
- Life Space Questionnaire, Low Luminance Questionnaire, Contrast sensitivity under dim illumination
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Visual Field Defect, Peripheral
Virtual Reality Visual Field Testing as an Alternative in Childhood Eye Disease
The purpose of this study is to test a new way of measuring the peripheral vision (called a visual field test) using a device which can be worn as goggles rather than being a large instrument the patient must sit at.
- Trial name
- NCT05150197
- Testing
- VisuALL, Humphrey Visual Field
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Duke University
Glaucoma
Analysis of the Eye in Patients With Primary Open-Angle Glaucoma and a Visual Field Defect in One Eye
The study aims to further understand glaucoma pathogenesis and progression by utilizing enhanced depth imaging optical coherence tomography to visualize and measure lamina cribrosa in vivo and segmentation technology to…
- Trial name
- NCT02622191
- Testing
- Spectral domain Optical Coherence Tomography
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Hemianopsia, Homonymous
Testing of a Functional Outcome Measure for Those With Visual Field Defects
This study is designed in two Phases. In phase 1, the Functional Outcome Measure will be tested to determine its validity and reliability in three populations, subjects that have not had a stroke and have no visual field defect…
- Trial name
- FOM (NCT00731796)
- Testing
- Functional Outcome Measure
- Where
- 3 sites in United States
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- NovaVision, Inc.
Glaucoma, Visual Field Defect
Visual Field Analysis With Artificial Intelligence
The purpose of this study is to analyze visual field data from healthy participants. This data will be used to develop and optimize a new visual field perimeter test.
- Trial name
- VFAAI (NCT06920290)
- Testing
- Visual Field Perimeter Optimized with Eye Gaze Capture and Artificial Intelligence
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sight Intelligence Engineering Corporation
Fabry Disease
Clinical Investigation on the Blood Oxygenation at the Optic Nerve Head in Fabry Patients
This study aimed to evaluate blood oxygenation at the optic nerve head in relation with visual field losses observed in many Fabry patients. Data collected allowed to evaluate if there is a link between these two entities.
- Trial name
- NCT02023086
- Testing
- Contrast sensitivity measurement, Slit Lamp assessment and intra-ocular pressure measurement, Visual field testing
- Where
- Canada
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Visual Field Defect, Peripheral
Establishing a Normative Database in Pediatric Population of the Head-mounted visuALL Field Analyzer
The goal of this study is to determine reference values of the VisuALL Field Test in pediatric population. Standard Automatic Perimetry (SAP) is the gold standard test for the evaluation of different diseases of the visual…
- Trial name
- NCT04175444
- Testing
- VisuALL Field Analyzer, Humphrey Field Analyzer
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Visual Field Defect, Peripheral, Glaucoma, Open-Angle
Nutritional Supplements and Performance During Visual Field Testing (B3 Vitamin)
This study seeks to test whether these over-the-counter nutritional supplements have an impact on patients' performance during visual field testing.
- Trial name
- NCT03797469
- Testing
- Vitamin B3, Pyruvate
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Columbia University
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
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
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
Primary Open Angle Glaucoma
Efficacy of Retinal Nerve Fiber Layer (RNFL) / Ganglion Cell Layer Thickness Ratio by RT-View Utilizing Spectral -Domain Technology as a Diagnostic Predictor of Glaucoma.
RT-View utilizes spectral domain technology to assess both RNFL and ganglion cell layer thickness. This study aims to correlate visual field defects in patients with glaucoma to both RNFL and ganglion cell layer thickness.
- Trial name
- NCT00773123
- Where
- South Korea
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Yonsei University