Clinical trials: Depth Perception
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
Ophthalmological Disorder
Effect of Binocular Treatment Using a Dichoptic Reading Application in Children With Convergence Insufficiency.
Convergence insufficiency is a common disorder of binocular vision that can appear as early as childhood after visual effort, and is often associated with a variety of symptoms such as eyestrain, headaches, blurred vision and…
- Trial name
- ALEDICE (NCT06465615)
- Testing
- Self-education with dichoptic reading on tablet, Conventional orthoptic rehabilitation
- Volunteers
- 26 people
- Sponsor
- University Hospital, Montpellier
Amblyopia, Anisometropia
Dichoptic Virtual Reality Therapy for Amblyopia in Adults
This was a randomized, masked, controlled study of the effect of a virtual reality, binocular, 3-dimensional video game on visual acuity and stereopsis in adult patients with amblyopia.
- Conditions
- Amblyopia, Anisometropia, Strabismus
- Trial name
- NCT02246556
- Testing
- Dichoptic therapy, Patching therapy, Dioptic (non-dichoptic) therapy
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- University of California, San Francisco
Congenital Cataract, Pediatric Cataract
Five-Year Visual Function and Refractive Outcomes After Congenital Cataract Surgery
This prospective multicenter observational study aims to evaluate the 5-year visual function and refractive outcomes in children undergoing surgery for congenital cataract.
- Trial name
- NCT07070037
- Where
- China
- Volunteers
- 400 people
- Sponsor
- Jin Yang
Gall Bladder Disease
Investigating Three-Dimensional Versus Two-Dimensional Imaging in Laparoscopic Cholecystectomies
During laparoscopic surgery, your surgeon operates through 'keyhole' incisions in your abdomen. These allow long tools and a camera to pass to perform the surgery and allow the surgeon to see inside you.
- Trial name
- NCT01930344
- Testing
- 3D Laparoscopic visual system, 2D Laparoscopic visual system
- Where
- United Kingdom
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Royal Surrey County Hospital NHS Foundation Trust
Consciousness, Level Altered
Investigating Near-Threshold Perception During Ultrasonic Deep Brain Stimulation
This research is studying changes in awareness and metabolism in the brain that may take place in various brain regions stimulated with ultrasound (low-intensity focused ultrasound pulsation or LIFUP) while undergoing magnetic…
- Trial name
- NCT07840521
- Testing
- Low-intensity focused ultrasound pulsation (LIFUP), Functional Magnetic Resonance Imaging (fMRI), Magnetic Resonance Spectroscopy
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Stereoscopic Vision
2D Versus 3D Laparoscopic Training on a Virtual Reality Simulator
Laparoscopy training programs with virtual reality simulators are widely used before new surgeons are allowed to operate on patients.
- Trial name
- NCT02361463
- Testing
- 3D vision, 2D vision
- Where
- Denmark
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Amblyopia, Anisometropic, Pediatric
Multimodal Therapy in Anisometropic Amblyopia
This study aims to evaluate whether a six-month app-based visual therapy program, called AmblyoPlay, can improve visual acuity, oculomotor skills, and balance in children with anisometropic amblyopia (a type of "lazy eye" caused…
- Conditions
- Amblyopia, Anisometropic, Pediatric, Postural Balance, Vision Therapy
- Trial name
- MUTA (NCT07093840)
- Testing
- AmblyoPlay Digital Visual Therapy, control group
- Where
- Turkey (Türkiye)
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Yusa Basoglu
Dynamic Stereopsis in Intermittent Exotropia Patients
A Novel Dynamic Random-dot Stereopsis Assessment to Measure the Stereopsis in Intermittent Exotropia
A novel dynamic random-dot stereopsis test that included motion + disparity (MD), motion (M), and disparity (D), in which the disparity cues range from 200 to 1200 arc-seconds was used.
- Trial name
- NCT04152122
- Testing
- The dynamic stereopsis test
- Where
- China
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Sensory Deficits
Falls Prevention: Gait-Synchronized Vibration System
The purpose of this study is to develop an abnormal gait detection algorithm and a vibratory stimulation system on a lower limb to improve gait stability and prevent falls.
- Trial name
- NCT02635113
- Testing
- Gait Synchronized Vibration System
- Volunteers
- healthy volunteers welcome
- Sponsor
- NYU Langone Health
Parkinson's Disease
Development and Validation of a Scale Measuring Preoperative Expectations in Parkinson's Disease
Subthalamic nucleus deep brain stimulation (STN-DBS) has become a choice treatment for fluctuating Parkinson's disease (PD) patients, inducing remarkable improvement in motor symptoms.
- Trial name
- NCT04933513
- Testing
- pre DBS patients responding to the DBS-PS scale
- Where
- France
- Volunteers
- 22 people
- Sponsor
- Central Hospital, Nancy, France
Essential Tremor, Parkinson's Disease (PD)
Attention and Eye Movement in Parkinson's Disease
The goal of this observational and interventional study is to understand how therapeutic deep brain stimulation (DBS) affects attention, perception and cognition in participants with Parkinson's disease (PD) and non-PD movement…
- Conditions
- Essential Tremor, Parkinson's Disease (PD), Dystonias
- Trial name
- NCT06899022
- Testing
- Normal therapeutic DBS, Reduced current DBS, Reduced frequency DBS
- Where
- United States
- Volunteers
- 138 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Refractory Epilepsy
Modulation of Emotion Perception in Humans Via Amygdala Stimulation
This study will enroll patients with epilepsy who are being evaluated for epilepsy surgery and have intracranial EEG electrodes.
- Trial name
- NCT05292183
- Testing
- Electrical Stimulation
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Strabismic Amblyopia, Bilateral
Progression of Stereopsis Recovery in Strabismic Patients: A One-Month and Three-Month Post-Surgery Evaluation
This prospective longitudinal observational study aims to assess stereopsis recovery in strabismic patients at one month and three months post-corrective surgery.
- Trial name
- NCT06913400
- Testing
- Stereopsis Recovery
- Where
- Pakistan
- Volunteers
- 34 people
- Sponsor
- Superior University
Asthenopia, Visual Fatigue
Visual and Neural Responses to Naked-Eye 3-D Viewing
This multicenter study examines short-term changes in visual fatigue and eye function after glasses-free three-dimensional (3D) viewing in healthy adults.
- Conditions
- Asthenopia, Visual Fatigue, Binocular Vision Disorder
- Trial name
- NCT07848763
- Testing
- Device / Behavioral Exposure
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Wrinkles and Folds in Lower Face
Perception of Facial Expressions Following Correction of Wrinkles and Folds
The purpose of this study is to evaluate the perception of facial expressions following correction of wrinkles and folds in the lower face using Emervel Classic Lidocaine and Emervel Deep Lidocaine.
- Trial name
- NCT02573337
- Testing
- Emervel Classic Lidocaine, Emervel Deep Lidocaine
- Where
- 3 sites in Germany
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Galderma R&D
Diplopia, Binocular Vision Suppression
Understanding Visual Confusion Using Stereoscopic Displays
In this research study we want to test how people understand a visual scene when the same image is presented to both the eyes, but portions of these images are altered in terms of contrast, depth or in some cases motion.
- Conditions
- Diplopia, Binocular Vision Suppression, Binocular; Fusion, With Defective Stereopsis, Monocular Diplopia
- Trial name
- NCT04957745
- Testing
- Binocular visual confusion (unilateral opaque), Unilateral monocular visual confusion (unilateral see-through), Bilateral monocular visual confusion (bilateral see-through)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Epiretinal Membranectomy
Change of Retinally-Induced Aniseikonia in Patients With Epiretinal Membrane After Vitrectomy
Epiretinal membrane is common disease, affecting 5~10 % incidence over 60 years old population. It reduce visual acuity, cause metamorphopsia.
- Trial name
- NCT01901406
- Where
- South Korea
- Volunteers
- 24 people
- Sponsor
- Yonsei University
Amblyopia, Binocular Vision Disorder
A Patch Free Treatment for Young Children With Amblyopia
The purpose of this study is to test whether a binocular treatment can improve vision and motor function in young children with amblyopia.
- Trial name
- NCT04086524
- Testing
- Binocular cartoon treatment at home, Patching, Binocular cartoon treatment in office
- Where
- 2 sites in United States, Australia
- Volunteers
- 34 people
- Sponsor
- University of Waterloo
Cataract, Presbyopia Correction
Evaluation Of Patient Satisfaction And Quality Of Vision After EDOF Or Trifocal IOL Implantation
Brief Summary of the Study The goal of this clinical study is to compare the quality of vision and patient satisfaction after cataract surgery using two different approaches to multifocal intraocular lenses (IOLs).
- Trial name
- TRIEDOF IOLS (NCT07295119)
- Testing
- Fusion EDOF IOL Implantation, Bilateral Trifocal IOL Implantation
- Where
- Italy
- Volunteers
- 36 people
- Sponsor
- Azienda Ospedaliera Universitaria Integrata Verona