Clinical trials: Visualization
Acute Mountain Sickness, High Altitude Headache
Comparison of Metoclopramide and Ibuprofen for the Treatment of Acute Mountain Sickness
The objective of this study is to determine the efficacy of metoclopramide in relieving the symptoms of Acute Mountain Sickness (AMS).
- Trial name
- NCT01522326
- Testing
- Ibuprofen, Metoclopramide
- Where
- Nepal
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Pituitary Adenoma, Visual Impairment
Clinical Study of Structural and Functional Evaluation of the Visual Pathway
Sellar area tumors such as pituitary adenoma, craniopharyngioma and meningioma, etc, commonly lead to visual impairment symptoms.
- Conditions
- Pituitary Adenoma, Visual Impairment, Sellar Tumor, Neuroimaging
- Trial name
- NCT03591315
- Testing
- resting state fMRI, visual tasking state fMRI, diffusion tensor imaging
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Xiangya Hospital of Central South University
Macular Degeneration, Glaucoma
Deficits, Adaptation and Cerebral Functional Reorganization of Visual Retinotopic Treatments During Normal and Pathological Aging (Age-related Macular Degeneration and Glaucoma)
The main objective of this research is to study the cognitive and cerebral mechanisms of the integration of central and peripheral visual information during normal and pathological aging (ophthalmological patients with AMD and…
- Trial name
- VISIOPERICENT (NCT03133117)
- Testing
- Functional Magnetic Resonance Imaging (fMRI)
- Where
- France
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Visual Acuity
Clinical Evaluation of Senofilcon A Contact Lenses Using a Novel Manufacturing Technology
This study is a multi-site, randomized, double-masked, 2×2 crossover design, 1-week dispensing study. Subjects will wear bilaterally both Test and Control lenses in a random order for 1-week each as a daily disposable modality…
- Trial name
- NCT04531241
- Testing
- ACUVUE® OASYS 1-DAY
- Where
- 7 sites in United States
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Intracranial Hypertension
CSF Biomarkers in Idiopathic Intracranial Hypertension
Aim of the study is to high lighten the rule of CSF biomarkers in early diagnosis of IIH and in follow up to reach to a definite clinically based decision if this patient will improved on medical treatment or that patient is in…
- Trial name
- NCT05647837
- Testing
- lumper puncture
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Assiut University
Normal Healthy Eyes
Visual Performance With Spatial Light Modulator
Eye's aberrations have been known to degrade human visual performance and the visual performance is significantly improved when correcting the aberrations in the central visual field.
- Trial name
- NCT05134896
- Testing
- Spatial light modulator
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Houston
Visual Impairment
Virtual Assistance for Daily Living: Neurophysiological and Functional Effects in Low Vision
This study aims to investigate how visual impairment affects neurophysiological and biomechanical responses during real-world navigation and daily activities, with a focus on the rehabilitative feasibility and impact of assistive…
- Trial name
- NCT07442461
- Testing
- VIS4ION Platform
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Healthy Older Adults
Modulation of Visual-Spatial Learning in Healthy Older Adults by tDCS
The aim of this study is to investigate whether a combination of intensive training of visual-spatial abilities (LOCATO task) with anodal transcranial direct current stimulation (tDCS) leads to an improvement of learning and…
- Trial name
- NCT02110056
- Testing
- tDCS, training
- Where
- Germany
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Pulmonary Embolism, Diagnostic Uncertainty
The Visualization of Uncertainty in Clinical Diagnostic Reasoning for Pulmonary Embolism
Medical reasoning is a form of inquiry that examines the thought processes involved in making medical decisions. When physicians are faced with patients' symptoms or signs, their thought processes follow either direct shortcuts…
- Conditions
- Pulmonary Embolism, Diagnostic Uncertainty, Clinical Reasoning, Evidence Based Medicine
- Trial name
- NCT01752673
- Testing
- Visualized pulmonary embolism computer task model, Didactic review lecture
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Body Image, Assessment, Self
The Turkish Version of the Vividness of Visual Imagery Questionnaire-2
The Vividness of Visual Imagery Questionnaire-2 (VMIQ-2) is originally developed in English to determine the vividness of visual imagery.
- Trial name
- NCT04335903
- Where
- Turkey (Türkiye)
- Volunteers
- 248 people, healthy volunteers welcome
- Sponsor
- Istanbul University - Cerrahpasa
Blue-blocking Glasses
Visual Health Evaluation of New Designed Blue-blocking Glasses
With the widespread use of electronic display devices, the potential hazards of blue light have become an important public health issue.
- Trial name
- NCT06984783
- Testing
- The new type of filtering glasses can efficiently filter out the high-energy blue and green light within a narrow wavelength band.
- Where
- China
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Autoimmune / Connective Tissue Diseases, Anti-Nuclear Antibody
Realistic in Generation of HEp-2 Cell Images Using Latent Diffusion Models: a Multi-center Visual Turing Test
The objective of this prospective observational study is to rigorously examine the feasibility and efficacy of utilizing latent diffusion models for data augmentation in anti-nuclear antibody (ANA) Hep-2 cell immunofluorescence…
- Conditions
- Autoimmune / Connective Tissue Diseases, Anti-Nuclear Antibody, Visual Turing Tests, Artifical Intelligence
- Trial name
- NCT06542783
- Testing
- referring to the results of AI model output
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Cervical Cancer
ASPIRE Pilot: Comparing Self-collected HPV Testing With Visual Inspection With Acetic Acid Screening for Cervical Cancer
Cervical cancer remains a public health burden, particularly in developing countries such as sub-saharan Africa where the infrastructure for organized screening programs does not exist.
- Trial name
- ASPIRE (NCT02029794)
- Testing
- HPV self-colleciton, visual inspection with acetic acid (VIA), 3-5% acetic acid
- Where
- Canada
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Visual Outcomes
Comparison of Clinical Outcomes in Ziemer Femtosecond Versus Conventional Phacoemulsification Surgery
This study is aimed to compare the clinical outcomes in Ziemer LDV Z8 femtosecond laser-assisted cataract surgery versus conventional phacoemulsification cataract surgery
- Trial name
- NCT03351894
- Testing
- Femtosecond laser assisted cataract surgery, Conventional phacoemulsification
- Where
- Singapore
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Singapore Eye Research Institute
Myopia, Astigmatism
Contralateral Study of Topography Guided LASIK Versus Small Incision Lenticule Extraction
This study evaluates differences in postoperative visual outcomes between patients receiving Topography-Guided LASIK in one eye and Small Incision Lenticule Extraction in the other eye.
- Trial name
- NCT05611294
- Testing
- Topography Guided LASIK Surgery, Small Incision Lenticule Extraction Surgery
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Hoopes Vision
Motor Imagery, Neck Pain
Motor Imagery Ability and Cervical Discogenic Pain
Background: The purpose of the study was to examine the motor imagery ability and its association with pain, functional status, neck awareness and depression levels in individuals with cervical discogenic pain (CDP).
- Conditions
- Motor Imagery, Neck Pain, Disc Herniation, Functional Status
- Trial name
- NCT06502236
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Focal Brain Lesion, Focal Lesions
Top-Down Attentional Control of Visual-Processing
Background: Previous studies have shown that people with certain types of brain damage may have particular problems paying attention and processing things that they see.
- Conditions
- Focal Brain Lesion, Focal Lesions, fMRI
- Trial name
- NCT01087281
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Arousal
Influence of Arousal on Motor Learning, Memory and Motor Imagery Ability in Young Population
In motor learning is essential to consider that movements are produced by the cooperation and combination of many brain structures and are influenced by the emotions to which individuals are subjected.
- Trial name
- NCT04911439
- Testing
- Low Arousal, Medium arousal, High arousal
- Where
- 4 sites in France, Spain
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Susana Nunez Nagy
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
Behavioral Dynamics, Visual Impairment
Behavioral Dynamics Between Infants With Visual Loss and Healthy Controls
An individual senses the world and reflects feedbacks via independent behaviors. Such precise collaboration of the sensory and behavioral systems is fundamental to survival and evolution.
- Trial name
- NCT03431207
- Testing
- Standardized video recording for behaviors
- Where
- China
- Volunteers
- 4,196 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
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