Clinical trials: Visual Field
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
Migraine, Epilepsy
High-field MR Imaging in Migraine, Visual Snow and Epilepsy
In this project, the aim is to recruit patients with drug resistant epilepsy and those suffering from migraine. Interestingly, patients suffering from epilepsy are also more often reporting to suffer from migraine.
- Conditions
- Migraine, Epilepsy, Visual Snow Syndrome
- Trial name
- NCT05524493
- Testing
- Structural MRI, Quantitative MRI, Diffusion MRI
- Where
- 2 sites in Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Zurich
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
Neuro-Ophthalmology
Safety and Normative Data With Neos™
The goal of this clinical study is to collect standard data for the medical device neos™. neos™ is a system that shows images and measures the resulting eye movements and pupil size. Collecting standard data involves three steps.
- Trial name
- neos-SNOW (NCT07258212)
- Where
- 3 sites in Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- machineMD AG
Glaucoma, Suspect, Optic Nerve Hypoplasia and Abnormalities of the Central Nervous System
A More Engaging Visual Field Test to Increase Use and Reliability in Pediatrics
The majority of young children do not think that visual field (VF) testing of peripheral vision is similar to a game; therefore, it is not surprising that they have difficulty maintaining attention during VF testing and thus the…
- Conditions
- Glaucoma, Suspect, Optic Nerve Hypoplasia and Abnormalities of the Central Nervous System, Congenital Coloboma of the Optic Nerve, Optic Nerve Head Pits, Bilateral Congenital
- Trial name
- NCT02157025
- Testing
- Cartoon video fixation target and cartoon character voice audio instructions during Humphrey perimetry, Usual Care procedures during Humphrey perimetry for children
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Nova Southeastern University
Glaucoma
Feasibility of Visual Field Testing With a Virtual Reality Headset
This study aim to determine the feasibility of using a virtual reality (VR) headset (HTC Vive) to test the visual field. The VR headset test will be compared to a conventional visual field test, using the Humphrey Field Analyzer.
- Trial name
- NCT03748654
- Testing
- Visual Field Testing
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Brennan Eadie
Glaucoma, Retinal Pathology
Ability of Patients With Low Vision to Properly Instill Eye Drops
The investigators are interested in seeing how people with low vision (decreased visual acuity or restricted visual fields) instill eye drops into their own eyes.
- Trial name
- NCT00760240
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Mid-Atlantic Glaucoma Experts
Generalized Visual Field Contraction or Constriction
A Study to Determine the Location of the Blind Spot and the Macula-disc Centre Distance on a Fundus Photograph
The study is aimed to develop a new reaction-time based method for examining the visual field and to study the effect of refractive error on the magnification of a fundus photograph in order to evaluate the true size of a retinal…
- Trial name
- NCT01843582
- Where
- Finland
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
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
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
Visual Field Tests
Non-inferiority Study for Visual Field Measurements Using a Virtual Reality Device
It is hypothesized that performing VF measurements with a Virtual Reality headset using similar testing strategies as implemented in conventional perimeters, allow for a non-inferior quality in VF acquisitions.
- Trial name
- NCT04010383
- Testing
- virtual reality perimeter
- Where
- Switzerland
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Retinal Dystrophies, Retinitis Pigmentosa
Evaluation of Objective Perimetry Using Chromatic Multifocal Pupillometer
Objective perimetry can better monitor visual field defects in retinal dystrophy and Glaucoma patients than conventional subjective perimetry.
- Conditions
- Retinal Dystrophies, Retinitis Pigmentosa, Glaucoma
- Trial name
- NCT02014389
- Where
- Israel
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Presbyopia
Volumetric Visual Fields at Intermediate and Near Distances in Presbyopic Patients Using Occupational and General-Purpose Progressive Addition Lenses
This single-center, randomized, double-blind, crossover clinical trial aims to compare the volumetric visual fields provided by two occupational progressive addition lenses (OPLs) optimized for intermediate and near vision in…
- Trial name
- CIVIUS2025PAL (NCT07617090)
- Testing
- OPAL PC assesment, OPAL Office assessment, PAL assesment
- Where
- 2 sites in Spain
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Seville
Traumatic Brain Injury, Mild Traumatic Brain Injury
Brain Research Assessing Impacts of Neurophysiological Processing Speed Training in Veterans
Older veterans with a history of mild brain trauma exhibit early cognitive challenges, especially in driving-related tasks. This is attributed to alterations in the brain's excitatory/inhibitory (E/I) balance.
- Conditions
- Traumatic Brain Injury, Mild Traumatic Brain Injury, Aging, Cognitive Decline
- Trial name
- BRAIN-SPEED (NCT06217575)
- Testing
- Alpha neurofeedback training, Visual Attention Training
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Central Retinal Artery Occlusion
Safety and Efficacy After Selective Intra-arterial Thrombolysis for Central Retinal Artery Occlusion
Central retinal artery occlusion (CRAO) is an ophthalmic emergency which leads to devastating visual function defects and poor prognosis.
- Trial name
- NCT05562284
- Testing
- intra-arterial thrombolysis, conservative treatments
- Where
- China
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Glaucoma, Cataract Senile
Effect of Presbyopic Correction Lens on Humphrey Visual Field Testing in Patients With Multifocal Intraocular Lens
Purpose of this study was to evaluate the effect of presbyopic correction lens on Humphrey visual field (HVF) testing in patients with 2 models of multifocal intraocular lens (MIOL) both with and without glaucoma.
- Trial name
- NCT05220007
- Testing
- Humphrey visual field testing
- Where
- Thailand
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Siriraj Hospital
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
Glaucoma
Comparison of Critical Flicker Fusion Versus Automated Visual Fields in the Detection of Early Glaucoma
The purpose of this study is to evaluate if critical flicker fusion is a more reliable method for detection of early glaucoma compared to automated visual fields in comparison to subjects without evidence of glaucoma or optic…
- Trial name
- NCT01076114
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Northwell Health
Glaucoma, Diagnostic Self-evaluation
Development and Evaluation of a Self-administered/Assisted Visual Field Screening Tool for Glaucoma
This project aims to evaluate a self-administered screening test for glaucoma, the second largest cause of blindness in the western world.
- Trial name
- NCT02162043
- Where
- United Kingdom
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- University of Manchester
Glaucoma, Open-Angle
visuALL Field Analyzer (vFA) Compared to Standard Humphrey Automated Perimetry
To determine age-adjusted reference values of the visuALL Field Analyzer (vFA) retinal sensitivity and to assess the repeatability of the measured values and compare them with those measured by a Standard Automatic Perimetry…
- Trial name
- NCT03804684
- Testing
- Standard Automatic Perimetry Humphrey Field Analyzer, visuALL Field Analyzer
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Wills Eye