Clinical trials: Optic Nerve Pathology
Amblyopia, Strabismus
Amblyopia and Strabismus Detection Using a Pediatric Vision Scanner
The purpose of this project is to compare the performance of the Pediatric Vision Scanner (PVS) with the Gold Standard Examination to determine the effectiveness of the PVS at detecting amblyopia and strabismus.
- Trial name
- NCT01706991
- Testing
- Pediatric Vision Scanner eye scan
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.
Subarachnoid Hemorrhage
Is the Measured Diameter of the Optic Nerve Sheath by Cerebral Scan in Patients With Early-phase Meningeal Hemorrhage, Due to a Ruptured Aneurysm, a Prognostic 6-month Mortality Factor ?
Sub Arachnoid Hemorrhage (SAH) is a public health concern because of its high incidence (7/100 000 inhab.), its mortality rate (25%), and its morbidity rate (50%).
- Trial name
- GAINE (NCT02894034)
- Where
- France
- Volunteers
- 114 people
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Neuromyelitis Optica Spectrum Disorders, Pain
Efficacy of Electroacupuncture in NMOSD Patients With Pain: Study Protocol
Abstract Background Neuropathic pain is a common complication in neuromyelitis optica spectrum disorder (NMOSD), which seriously affects the quality of life of NMOSD patients, with no satisfactory treatment.
- Trial name
- NCT05871658
- Testing
- electroacupuncture
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Yuanqi Zhao,MD
Amblyopia, Strabismus
Attention-based Binocular Training for Impaired Stereopsis (BRAVE)
This study evaluates a novel attention-based binocular visual search training paradigm designed to improve stereopsis (stereo vision) in individuals with impaired binocular vision.
- Conditions
- Amblyopia, Strabismus, Anisometropia, Binocular Vision Abnormalities
- Trial name
- BRAVE (NCT07803458)
- Testing
- Attention-Guided Dichoptic Visual Search Training, Zero-Disparity Dichoptic Visual Search Task
- Where
- 2 sites in Hong Kong
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Centre for Eye and Vision Research
Neurodegenerative Disease, Behavioral Variant Frontotemporal Dementia (bvFTD)
Tracking and Predicting How Brain Damage Spreads in Neurodegenerative Diseases
Neurodegenerative diseases, including frontotemporal lobar degeneration (FTLD) spectrum syndromes, are characterized by the accumulation of insoluble protein aggregates in the central nervous system.
- Conditions
- Neurodegenerative Disease, Behavioral Variant Frontotemporal Dementia (bvFTD), Primary Progressive Aphasia(PPA), Progressive Supranuclear Palsy(PSP)
- Trial name
- NCT07567664
- Testing
- 3 Tesla MRI without contrast medium, Blood sample for genetic analysis, Cerebrospinal fluid sampling (CSF)
- Where
- Italy
- Volunteers
- 645 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele
Child, Anesthesia Morbidity
A Study on the Effects of Midazolam on Delirium After Sevoflurane Anesthesia in Pediatric Strabismus Surgery
Sevoflurane with its rapid induction and emergence, hemodynamic stability, and nonirritating airway properties, has acquired widespread acceptance in children.
- Conditions
- Child, Anesthesia Morbidity, Delirium on Emergence
- Trial name
- NCT01680471
- Testing
- Midazolam 0.03mg/kg, Midazolam 0.05mg/kg
- Where
- South Korea
- Volunteers
- 90 people
- Sponsor
- Korea University Anam Hospital
Amblyopia
Morning Versus Evening Patching in Childhood Amblyopia
To determine whether the time of day at which daily occlusion therapy is administered-morning, with 2 hours of patching completed within 07:00-10:00, versus evening, with 2 hours completed within 17:00-20:00-affects visual-acuity…
- Trial name
- NCT07294599
- Testing
- eye-patching
- Where
- 2 sites in Jordan
- Volunteers
- 84 people
- Sponsor
- Yarmouk University
Chronic Progressive External Ophthalmoplegia
MRI Study - Chronic Progressive External Ophthalmoplegia
The purpose of this study is to investigate the fraction of fat on a MRI scan of lower bag muscles, thighs and calves in patients with the mitochondrial disease chronic progressive external ophthalmoplegia (CPEO).
- Trial name
- CPEO (NCT02161848)
- Testing
- Magnetic Resonance Imaging
- Where
- Denmark
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Postoperative Cognitive Dysfunction
Optic Nerve Sheath Diameter and Postoperative Cognitive Disfunction at Laparoscopic Surgery
Purpose: Pneumoperitoneum during laparoscopic abdominal surgery increases intra-abdominal pressure (IAP), potentially altering intracranial pressure (ICP) and cerebral oxygenation, with unclear implications for early…
- Trial name
- NCT07264764
- Testing
- Optic nerve sheath diameter (ONSD)
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people
- Sponsor
- Duzce University
Amblyopia, Strabismus
Determining the Efficacy of Full-time Occlusion Therapy in Severe Amblyopia at Different Ages
Objective: To find out how much visual improvement is possible in severe amblyopia using full-time occlusion therapy with an eye patch and to see if improvement is influenced by the patient's age.
- Trial name
- NCT02113709
- Testing
- Occlusion therapy by Eye Patch, Occlusion therapy
- Where
- Pakistan
- Volunteers
- 115 people
- Sponsor
- Mughal Eye Trust Hospital
Coma
Optic Nerve Sheath Diameter as a Screening Test for Increased Intracranial Pressure
Patients admitted to the ICU may have delayed awakening after their critical illness has resolved. Though most either are due to metabolic causes or delayed elimination of sedative medications, more serious pathologies such as…
- Trial name
- NCT02338284
- Testing
- ultrasound of globe
- Where
- Saudi Arabia
- Volunteers
- 100 people
- Sponsor
- King Faisal Specialist Hospital & Research Center
Abducens Nerve Paralysis
Effects of Ocular Electroacupuncture on Abducens Nerve Palsy
The purpose of the study is to testify the efficacy of treating abducens nerve palsy with ocular electroacupuncture or ocular acupuncture, and to compare the efficacy between these two interventions.
- Trial name
- NCT03099460
- Testing
- ocular electroacupuncture, ocular acupuncture
- Where
- China
- Volunteers
- 150 people
- Sponsor
- First Affiliated Hospital of Harbin Medical University
Dental Anxiety, Pain
Effectiveness of Hand/Eyes/Mouth Behavior Management Technique During Local Anesthesia in Preschool Children
This will be a randomized, controlled, parallel-group clinical trial. The aim of this studio will be to evaluate the effectiveness of "Hands/Eyes/mouth" behavior management technique versus a conventional technique (covering the…
- Conditions
- Dental Anxiety, Pain, Infant Behavior, Heart Rate and Rhythm Disorders
- Trial name
- NCT02591797
- Testing
- inferior alveolar and lingual nerve block procedure
- Where
- Spain
- Volunteers
- 52 people
- Sponsor
- Cardenal Herrera University
Ondansetron Lozenge, Postoperative Nausea and Vomiting
Preoperative Ondansetron Lozenge for Prevention of Postoperative Nausea and Vomiting in Pediatrics Undergoing Squint Surgeries
The aim of this study is to evaluate the role of ondansetron lozenge on prevention of postoperative nausea and vomiting (PONV) in pediatrics undergoing squint surgeries.
- Conditions
- Ondansetron Lozenge, Postoperative Nausea and Vomiting, Pediatrics, Squint
- Trial name
- NCT06423820
- Testing
- Ondansetron lozenge
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Tanta University
Ophthalmoplegia
Prevalence of Contrast Enhancement of the Oculomotor Nerve on 3D PD T1 MRI Sequence in Patients With Ophthalmoplegia
Oculomotor nerve (third cranial nerve or "III") palsy is a relatively frequent cause of consultation in ophthalmology. It may reveal a life-threatening pathology such as aneurysm rupture, pituitary apoplexy, and therefore need…
- Trial name
- 3D-III (NCT03269682)
- Testing
- 3D PD T1 MRI sequence
- Where
- France
- Volunteers
- 134 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Abnormal Vitreous Humor Morphology, Abnormal Choroid Morphology
Accuracy of the Red Reflex Test in the Pediatric Population
This study is designed to investigate the sensitivity and specificity of the Red Reflex Test (RRT), with and without dilation, for early detection of ocular abnormalities in children and newborns.
- Conditions
- Abnormal Vitreous Humor Morphology, Abnormal Choroid Morphology, Optic Nerve Diseases, Retinal Disease
- Trial name
- NCT04125043
- Testing
- Direct ophthalmoscope
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Children's National Research Institute
Dementia-related Psychosis
Relapse Prevention Study of Pimavanserin in Dementia-related Psychosis
The purpose of this study is to evaluate the efficacy of pimavanserin compared to placebo in preventing relapse of psychotic symptoms in subjects with dementia-related psychosis who responded to 12 weeks of open label…
- Trial name
- NCT03325556
- Testing
- Pimavanserin 34 mg, Pimavanserin 20 mg
- Where
- 83 sites in United States, Bulgaria and 11 more
- Volunteers
- 392 people
- Sponsor
- ACADIA Pharmaceuticals Inc.
Vision Disorders
Optical Coherence Tomography Measurements in Eyes With Band Atrophy
The study is designed to evaluate the ability of optical coherence tomography and VCC scanning laser polarimetry to measure and identify the pattern of band atrophy of the optic nerve in patients with long standing chiasmal…
- Trial name
- NCT00395122
- Testing
- Retinal nerve fiber layer and macular thickness measurements
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Frontotemporal Degeneration, Progressive Supranuclear Palsy
Cognitive Impairement In Frontotemporal Dementia
This is an observational study that aims to better understand the genetic causes of frontotemporal degeneration (FTD), Multiple Systems Atrophy (MSA), and Progressive Supranuclear Palsy (PSP).
- Conditions
- Frontotemporal Degeneration, Progressive Supranuclear Palsy, Multiple System Atrophy
- Trial name
- NCT03452956
- Testing
- None-Observation Only
- Where
- United States
- Volunteers
- 997 people
- Sponsor
- University of Pennsylvania
Brain and Central Nervous System Tumors, Metastatic Cancer
Photodynamic Therapy With Porfimer Sodium in Treating Patients With Refractory Brain Tumors
RATIONALE: Photodynamic therapy uses light and photosensitizing drugs to kill tumor cells and may be an effective treatment for refractory brain tumors.
- Trial name
- NCT00002647
- Testing
- verteporfin, conventional surgery
- Where
- 2 sites in United States
- Volunteers
- 24 people
- Sponsor
- Medical College of Wisconsin