Clinical trials: Visualization
Amblyopia
Efficacy of Visual Screening in Ontario
Amblyopia (lazy eye), is the leading treatable cause of vision loss in childhood. Uncorrected refractive errors (ie farsightedness) can lead to difficulties in school.
- Trial name
- NCT02458846
- Testing
- Crowded HOTV Acuity Test, Preschool Randot Stereoacuity Test, Plusoptix Autorefractor
- Where
- Canada
- Volunteers
- 2,597 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Postoperative Pain, Acute
Postoperative Pain Evaluation Of Novel Bioceramic-Based Root Canal Sealers
Brief Summary: The purpose of this study was to evaluate the effect of MTA-Bioseal, GuttaFlow bioseal, and NeoSealer Flo calcium-silicate based root canal sealers on postobturation pain in teeth with asymptomatic irreversible…
- Trial name
- NCT06515756
- Testing
- Post operative pain assessment after root canal treatment
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Kırıkkale University
Fear of Spiders
Neural Mechanisms of Imaginal and in Vivo Exposure
Imaginal exposure is a widely used and effective psychological treatment technique. Recent research suggests that neural activations and emotional responses during imaginal exposure are similar to those elicited during in vivo…
- Trial name
- NCT05193383
- Testing
- Imaginal exposure, Exposure, Approach-avoidance conflict
- Where
- Sweden
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Healthy Volunteer
Brain Bases of Natural Scenes's Visual Perception of Natural Scenes
Using the available data from psychophysics, cellular electrophysiology and functionnal neuroanatomy of visual pathway, current models of visual recognition suppose that the perception of scenes start with a parallel extraction…
- Trial name
- SCENES (NCT02840305)
- Testing
- Evaluation of visual function, Magnetic Resonance Imaging
- Where
- France
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Dental Caries
Reliability of Fluorescent Camera and Caries Detection Dye Versus the Visual Tactile Method
1. Three dentinal carious lesions will be chosen in this study and will be in the same patient. 2. Using local anaesthesia and rubber dam, the operative field will disinfected with 1% hypochlorite, and the dentine lesions should…
- Trial name
- NCT03051594
- Testing
- fluorescent camera, caries detector dye, visual tactile assessment
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Limbal Dermoid
Visual Quality and Contrast Sensitivity Function for Limbal Dermoid Children After Corneal Transplantation
This study is to inquiry the contrast sensitivity function in the 50 eyes of limbal dermoid children with keratoplasty with quick contrast sensitivity function (quick CSF) test, as well asa to analyze its relationship between…
- Trial name
- NCT03447041
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Cognitive Performance, Sleep Quality
The Effect of Caffeinated Chewing Gum on Cognitive Performance in Night-shift Emergency Physicians
This study aimed to examine the impact of caffeinated chewing gum on the cognitive performance of night-shift emergency physicians in a partially sleep-deprived state.
- Trial name
- NCT06693505
- Testing
- caffeinated chewing gum
- Where
- Taiwan
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Visual Acuity
Clinical Study of Approved and Investigational Contact Lenses
This is a multi-site, 5-visit, double-masked, dispensing study comparing an investigational contact lens with currently-marketed contact lenses.
- Trial name
- NCT02708524
- Testing
- Senofilcon C Contact Lens, Comfilcon A Contact Lens, Lotrafilcon B Contact Lens
- Where
- 18 sites in United States
- Volunteers
- 554 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Endoscopy
Endoscopy Quality Study
This study seeks to establish factors that influence the view at endoscopy. To achieve this patients, who have been already booked for endoscopy, will complete a questionnaire prior to their procedure.
- Trial name
- NCT03351790
- Testing
- Questionniare only
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Sandwell & West Birmingham Hospitals NHS Trust
Cataract, Lens Opacities
Clinical Study to Investigate Visual Performance of a Hydrophobic Monofocal IOL After Bilateral Implantation
Prospective, non-randomised, open, controlled, single-center post-market clinical follow study about Micropure 1.2.3 IOL.
- Trial name
- PHY1801 (NCT03423524)
- Testing
- Micropure 1.2.3.
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Pigmentary Retinopathy
Impact of Visual Field Restriction on Visual Exploration
To communicate with the observer and guide his gaze on the canvas, painters have developed different stylistic processes that artists, in the manner of scientists, have acquired on the functioning of human visual perception.
- Trial name
- REVE (NCT04360291)
- Testing
- Eye tracker
- Where
- France
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Anterior Cruciate Ligament Injuries
Muscle Architecture and Anterior Cruciate Ligament
The aim of this study is to examine the effects of plyometric training on biceps femoris longus (BFl) and vastus lateralis (VL) muscle architecture in individuals with anterior cruciate ligament reconstruction (ACLR).
- Trial name
- NCT04690127
- Testing
- Plyometric Exercise
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Ophthalmic Disorders
Co-designing and Evaluating a Real-world Implementation Model for Remote Consultation with Vision Self-testing.
This study aims to involve the public, patients and National Health Service (NHS) staff in co-designing a scalable, inclusive and sustainable implementation model for ophthalmic remote consultation with vision self-testing (the…
- Trial name
- ReVise (NCT05941182)
- Testing
- online questionnaires
- Where
- 2 sites in United Kingdom
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Visual Acuity
Evaluation of Investigational Daily Disposable Multifocal Contact Lenses Produced With Different Manufacturing Processes
This is a single-masked, 2×3 crossover, randomized, dispensing clinical trial to evaluate the visual performance and subjective responses of the JJVC Investigational Contact Lens.
- Trial name
- NCT04794751
- Testing
- JJVC Investigational Multifocal Contact Lens, Dailies Total 1® Multifocal Contact Lens
- Where
- 7 sites in United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Glaucoma, Healthy
Quantification of Agreement and Variability of a Newly Developed Visual Field Algorithm With the Reference Standard
This study aims to compare two types of visual field test; retinal sensitivity values obtained with the reference standard Swedish Interactive Thresholding Algorithm (SITA) of the standard visual field test and with a newly…
- Trial name
- vFAST (NCT02727569)
- Testing
- New visual field algorithm with DLS, SITA algorithm, New visual field algorithm with MMDT
- Where
- United Kingdom
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Moorfields Eye Hospital NHS Foundation Trust
Pain Relief
Nociception Monitoring During Epidural Analgesia
Introduction and aim: Nociception monitors have been used to assess pain management in anesthetized patients. The investigators set out to evaluate whether Nociception Level (NOL) monitor (PMD-200 monitor with NOL technology …
- Trial name
- NCT06456177
- Testing
- Assessment of nociception in obstetric patients during epidural analgesia
- Where
- Israel
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Carmel Medical Center
Healthy Adult, Diabetic Retinopathy, DR
The Effect of Different Auditory Types on Visual Evoked Potentials (VEP)
To investigate the effect of different sound types on pattern visual evoked potential (VEP) responses among healthy adults
- Trial name
- NCT07850245
- Where
- Saudi Arabia
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- King Saud University
Children Suffering From Cortical Visual Impairment
Validation of a Parental Questionnaire for Screening Children for Neurovisual Disorders
Some children present visual difficulties linked not to damage to the eye, but to damage to the brain. This type of dysfunction of the visual cerebral pathways leads, for example, to difficulties in recognition, visuomotor…
- Trial name
- NCT06997354
- Testing
- Questionnaire
- Where
- Belgium
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Université Catholique de Louvain
Healthy
SLeep and IMagery Correlates (SOMMEIL-IMAGERIE)
This study is designed to determine the neural networks underlying the sleep-related motor consolidation process following motor imagery practice.
- Trial name
- NCT03130322
- Testing
- Imagery and Sleep questionnaires, MEG recordings (pre-test), Practice session
- Where
- France
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Dysphagia
Motor Imagery Exercise and Tongue Strength
This research study is a six-week treatment pilot study to compare the effects of different exercise types on measures of tongue strength and swallowing pressure in typically aging older adults.
- Trial name
- NCT03423095
- Testing
- Active Jaw Exercise with Relaxation, Active Tongue Exercise, Active Tongue Exercise + Mental Practice
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of South Florida