Clinical trials: Visual Disorder
Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness)
Effect of Presbyopia Correction on Livelihood and Repayment Among Solar Customers in Western Region, Kenya
With age, people lose the ability to see things that are near them clearly. This is known as presbyopia. Although this is a normal ageing process, it can be corrected with near vision eyeglasses - colloquially known as reading…
- Conditions
- Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness), Repayment Behaviour, Livelihoods
- Trial name
- NCT06774183
- Testing
- Near vision glasses for presbyopia correction
- Volunteers
- 1,085 people
- Sponsor
- Dot Glasses Kenya
Vision, Low, Visual Impairment
Re:Garde Program - Training and Maintaining Visual Perception in Older Adults
Seniors deal with considerable visual demands (driving, communicating, traveling) and reduced vision affects their quality of life, ability to enjoy activities, and age-in-place.
- Trial name
- Re:Garde (NCT05619432)
- Testing
- HMD: Immersive VR
- Where
- 2 sites in Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
Stroke, Visual Impairment
Effectiveness of AV-stimulation in Immersive VR to Improve Visual Perception and Driving Performance
The goal of this clinical trial is to evaluate the effectiveness of an immersive virtual-reality (IVR) based stimulation program, in improving visual perception for people who have lost their driver's license due to perceptual or…
- Conditions
- Stroke, Visual Impairment, Low Vision, Virtual Reality
- Trial name
- Re:DriVR (NCT05703360)
- Testing
- Audiovisual Stimulation
- Where
- 2 sites in Canada
- Volunteers
- 30 people
- Sponsor
- University Health Network, Toronto
Low Vision, Orientation
SmartHMD for Improved Mobility
The National Eye Institute estimated about 3 million people over age 40 in the US had low vision in 2010 and projects an increase to nearly 5 million in 2030 and 9 million in 2050.
- Conditions
- Low Vision, Orientation, Mobility Limitation, Navigation, Spatial
- Trial name
- NCT03781583
- Testing
- SmartHMD version 1, SmartHMD version 2, SmartHMD version 3
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- James Weiland
Migraine, Glasses
Filter Lenses for the Prevention of Migraine Attacks
The purpose is to investigate whether the Blue Cut for Night filter is better at reducing migraine compared to the FL-41 filter or a filter blocking light below 500 nm. A control group will use clear lenses without filter.
- Conditions
- Migraine, Glasses, Headache, Visual Impairment
- Trial name
- COMFORT (NCT06161129)
- Testing
- Lenses
- Where
- Denmark
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Rune Skovgaard Rasmussen
Schizophenia Disorder, Virtual Reality
Virtual Reality for Visual Perception on Schizophrenia
Researchers have stated in the literature that visual perception is negatively affected in schizophrenia. In recent years, virtual reality interventions have become popular in the treatment of schizophrenia.
- Conditions
- Schizophenia Disorder, Virtual Reality, Visual Perception
- Trial name
- NCT06718556
- Testing
- Virtual reality, Client-centered
- Where
- Turkey (Türkiye)
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi
Glaucoma, Macular Degeneration
BCI and Evaluation of Visual and Task Performance in Subjects With Eye Diseases
The purpose of this research study is to better understand the impact of visual impairment caused by different eye diseases on the ability to perform daily activities and compare it to that in patients without eye diseases.
- Conditions
- Glaucoma, Macular Degeneration, Glaucoma Suspect, Optic Neuropathy
- Trial name
- NCT03318549
- Testing
- Visual Performance tests, Brain-computer interface
- Where
- United States
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- University of Miami
Neovascular Age-related Macular Degeneration (nAMD), Wet Age-related Macular Degeneration (AMD)
An Observational Study to Investigate the Use of Aflibercept 8 mg to Treat Adult Patients With Neovascular Age-Related Macular Degeneration (nAMD) and Diabetic Macular Edema (DME) in a Real-World Setting
The purpose of this research study is to observe the patient's clinical care and how EYLEA® HD is used as a treatment in real-world settings.
- Conditions
- Neovascular Age-related Macular Degeneration (nAMD), Wet Age-related Macular Degeneration (AMD), Diabetic Macular Edema (DME), Visual Impairment
- Trial name
- SPECTRUM-US (NCT06398080)
- Testing
- aflibercept 8 mg
- Sponsor
- Regeneron Pharmaceuticals
Visual Impairment and Blindness (Excl Colour Blindness)
A Trial of Tai Chi Intervention for Youngsters with Visual Impairments
Investigators conducted a single-blind, randomized trial of Taijiquan exercise as compared with a control intervention consisting of wellness education and jogging for youngsters with visual impairments.
- Trial name
- NCT06450340
- Testing
- Moderate-intensity aerobic exercise refers to rhythmic and long-lasting exercise with increased heart rate, slight sweating and slight wheezing.
- Where
- China
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Yanyun Zhang
Vision Loss Partial, Vision; Loss, Both Eyes
Understanding Visual Processing After Occipital Stroke
The purpose of this study is to investigate how visual orientation discrimination and metacognition (i.e., perceptual confidence) are affected by occipital stroke that causes hemianopia and quadrantanopia in adults.
- Conditions
- Vision Loss Partial, Vision; Loss, Both Eyes, Hemianopia, Homonymous, Hemianopia
- Trial name
- NCT06352086
- Sponsor
- University of Rochester
Blindness, Visual Impairment
The Impact of the Years of Blindness on Sleep and Dreaming Processes and the Relationships With Spatial Abilities
This study aims to assess the impact of blindness on sleep and dreaming processes and the relationship with spatial perceptual performance, examining the link with clinical and psychological indices, neurobiological features, and…
- Trial name
- NCT06631807
- Where
- Italy
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Istituto Italiano di Tecnologia
Diabetes, Visual Impairment
Nonvisual Foot Inspection for People With Visual Impairment
The purpose of this study was to find out whether a method of nonvisual foot inspection, using the senses of touch and smell, helps people with diabetes and visual impairment to find new foot problems when they are in early…
- Trial name
- NCT01822717
- Testing
- Nonvisual foot inspection, Usual Care
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Case Western Reserve University
Visual Impairment, Stroke
Re-Orchestration of Interregional Oscillatory Activity to Promote Visual Recovery
This project assesses the effect of bifocal cross-frequency transcranial alternating current stimulation (tACS) combined with visual training to improve visual recovery and orchestrated oscillatory activity in stroke patients…
- Conditions
- Visual Impairment, Stroke, Parkinson Disease
- Trial name
- R4V (NCT05220449)
- Testing
- Cross-frequency dual-site tACS
- Where
- Switzerland
- Volunteers
- 30 people
- Sponsor
- Ecole Polytechnique Fédérale de Lausanne
Visual Impairment
Development and Validation of an Automated Self-administered Visual Acuity System
Visual acuity tests, commonly conducted in clinics and used for health screenings, are becoming more in demand due to an aging population.
- Trial name
- AutoVA (NCT06540001)
- Testing
- Automated visual acuity
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tan Tock Seng Hospital
Visual Impairment, Amblyopia Suspect
DigiVis: Self-testing Vision App for Telephone Consultations
This trial aims to assess the accuracy and test-retest variability of a new digital app which enables community visual acuity testing without requirement of an trained examiner.
- Trial name
- NCT04482387
- Testing
- DigiVis visual acuity app
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Giant Cell Arteritis, Visual Impairment
Visual Involvement in Giant Cell Arteritis
This observational study aims to enhance the description of the different ways Giant Cell Arteritis (GCA) affects vision. The latest technology and knowledge are used to improve how we diagnose and predict patient outcomes.
- Conditions
- Giant Cell Arteritis, Visual Impairment, Central Retinal Artery Occlusion, Anterior Ischemic Optic Neuropathy
- Trial name
- Visu-GCA (NCT06500728)
- Testing
- Fluorescein and Indocyanine green Angiography, High-resolution Optical Coherence Tomography, Angio-Optical Coherence Tomography
- Where
- Italy
- Volunteers
- 762 people
- Sponsor
- ASST Fatebenefratelli Sacco
Visual Impairment, Menstrual Problem
Menstrual Health Education for Visually Impaired Adolescent
This study was planned as a two-group randomized controlled interventional study to determine the effect of face-to-face and web-based menstrual health education given to visually impaired adolescent girls on menstrual attitude…
- Trial name
- NCT06490016
- Testing
- web based education, Face to face
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Cukurova University
Visual Impairment
Effect of Hand Exercises on Hand Grip Strength and Manual Ability in Children With Visual Impairment
Development of the visual system immediately starts after birth via visual stimuli and interactions with the environment. The World Health Organization (WHO) has categorized visual impairments with respect to the best-corrected…
- Trial name
- NCT06197607
- Testing
- theraputty hand exercises, sensory stimulation
- Where
- Pakistan
- Volunteers
- 20 people
- Sponsor
- Riphah International University
Visual Impairment
Effects of Multi Sensory Integration on Visual Impaired Children
Visual impairment is use to describe any kind of vision loss, whether it's someone who cannot see at all or someone who has partial vision loss.
- Trial name
- NCT06198114
- Testing
- Multi Sensory Therapy, Conventional Therapy
- Where
- Pakistan
- Volunteers
- 40 people
- Sponsor
- Riphah International University
Accommodation Disorder, Visual Fatigue
Effects of Stulln and Accommodative Training
The present study tests the hypothesis that Stulln eyedrops improve accommodative functions by improving the short term facility of ciliary muscles that can be transferred into long-term adaptation.
- Trial name
- NCT05107791
- Testing
- Stulln Eyedrops, Thera Tears
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Pacific University