Clinical trials: Vision, Subnormal
Retinitis Pigmentosa
Stress and Vision Fluctuations in Retinitis Pigmentosa
Retinitis pigmentosa (RP) patients experience a slowly progressive, unpredictable loss of vision which eventually leads to bare or no light perception, posing a continuous threat to patients' independence.
- Trial name
- NCT00475254
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Johns Hopkins University
Ocular Conditions Resulting in Visual Impairment
Low Vision Patients' Preference for Colored Filters and Illumination for Near Reading Determined by the LuxIQ/2
The effect of tinted filters and illumination on the visual performance of patients with low vision (i.e., individuals with reduced vision that is uncorrectable with glasses, surgery or treatments) has been a topic of research…
- Trial name
- NCT03192722
- Testing
- Colored near reading glasses, Lighting as determined by LuxIQ/2 or OttLite Cobra
- Where
- United States
- Volunteers
- 42 people
- Sponsor
- Nova Southeastern University
Age Related Macular Degeneration
Study of WA-NG Telescope Prosthesis in Patients With End-stage Age-related Macular Degeneration
This is a pilot study to evaluate the safety of the Model WA-NG telescope prosthesis in patients with bilateral moderate to profound central vision impairment due to end-stage age-related macular degeneration.
- Trial name
- NCT01731964
- Testing
- Telescope prosthesis, WA-NG Telescope Prothesis
- Where
- Israel
- Sponsor
- VisionCare, Inc.
Pathological Myopia
Efficacy and Safety of Ranibizumab in Patients With Visual Impairment Due to Choroidal Neovascularization Secondary to Pathologic Myopia
This study is designed to evaluate the efficacy and safety of two different dosing regimens of 0.5 mg ranibizumab given as intravitreal injection in comparison to verteporfin PDT in patients with visual impairment due to…
- Trial name
- NCT01217944
- Testing
- Ranibizumab, Verteporfin PDT
- Where
- 74 sites in Austria, Canada and 18 more
- Volunteers
- 277 people
- Sponsor
- Novartis Pharmaceuticals
Accidental Fall, Visual Impairment
Falls Prevention for Visually Impaired Older People
This study aims to examine the effectiveness of an intensive five day falls prevention training programme with a home evaluation and a home exercise programme, compared with a home evaluation and exercise programme alone for…
- Conditions
- Accidental Fall, Visual Impairment, Fall
- Trial name
- NCT04078529
- Testing
- 5 day falls prevention training, Home exercise programme, Environmental Assessment
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Blind Veterans UK
Glaucoma, Glaucoma Suspect
Philadelphia Telemedicine Glaucoma Detection and Follow-Up Study
The goal is to conduct a 5-year prospective, randomized controlled trial to test an innovative, community-based intervention using posterior and anterior fundus photography of the optic nerve and macula and intraocular eye…
- Conditions
- Glaucoma, Glaucoma Suspect, Diabetic Retinopathy, Ocular Hypertension
- Trial name
- NCT02390245
- Testing
- Free Eye Screenings, Enhanced Intervention, Usual Care
- Where
- United States
- Volunteers
- 906 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Low Vision in Children
Research and Development of Reading Visual Aids for Low-Vision Individuals Based on Virtual Reality Technology
Low vision substantially impairs reading ability and educational participation in adolescents. Existing assistive technologies, including optical magnifiers and electronic visual aids, are often limited by fragmented system…
- Trial name
- NCT07703449
- Testing
- VR-Based Intelligent Reading Aid, Natural Vision Reading (No Assistive Device)
- Where
- China
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Visual Impairment
Randomized Controlled Trial Evaluating an Incentive-based Community Eye-care Programme
Elderly with visual impairment (VI) who undergo community eye screening often do not attend tertiary follow-up even if significant eye diseases are detected.
- Trial name
- NCT03264885
- Testing
- Incentive Care
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Amblyopia
Early Detection and Prevention of Amblyopia and Visual Impairment Through Systematic Pediatric Vision Screening
Amblyopia, characterized by reduced visual acuity, develops in childhood due to insufficient sensory stimulation of the affected eye.
- Trial name
- FALSSE (NCT07112560)
- Testing
- Standard screening procedure for amblyopia, New amblyopia screening method using a virtual reality headset.
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Visual Impairment
Influence of Low Vision Assistive Technology on Mobility Among Visually Impaired Individuals
This study investigates the influence of low vision assistive technology (AT) on the mobility and independence of individuals with visual impairments.
- Trial name
- NCT07055646
- Testing
- Traditional Assistive Technology, Digital Assistive Technology, Combined Technology Users
- Where
- Pakistan
- Volunteers
- 60 people
- Sponsor
- Superior University
Visual Field Defect, Peripheral, Stroke
Improving Visual Field Deficits With Noninvasive Brain Stimulation
This is a randomized, pilot interventional study in participants with visual field deficit (VFD) caused by cortical lesion. Damage to the primary visual cortex (V1) causes a contra-lesional, homonymous loss of conscious vision…
- Conditions
- Visual Field Defect, Peripheral, Stroke, Visual Impairment, Hemianopsia
- Trial name
- NCT05085210
- Testing
- transcranial random noise stimulation (tRNS), Computer Based Visual Training, Virtual Reality Based Visual Training
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Beth Israel Deaconess Medical Center
Corneal Neovascularisation
Strategies for Management of Corneal Neovascularisation
The cornea is the transparent window of the eye, which allows light to enter into the eye and also contributes to the focusing of the light rays.
- Trial name
- NCT02594423
- Testing
- Fine Needle Diathermy, Bevacizumab
- Volunteers
- 40 people
- Sponsor
- University of Nottingham
Age-related Macular Degeneration
Evaluation of the Distortion Correction Data Collection (DCDC) App Software
The purpose of the research study is to evaluate how well the Distortion Correction Data Collection (DCDC) App works. The DCDC App is an experimental software application that is being developed at the University of Nebraska…
- Trial name
- NCT02337647
- Testing
- DCDC App
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- University of Nebraska
Low Vision, Retinitis Pigmentosa
Visual Performance Measures in a Virtual Reality Environment for Assessing Clinical Trial Outcomes in Those With Severely Reduced Vision
Purpose: To validate a newly developed battery of performance-based tests of visual function to be presented using virtual reality.
- Conditions
- Low Vision, Retinitis Pigmentosa, Stargardt Disease 1, Stargardt Disease 3
- Trial name
- NCT04281732
- Testing
- Virtual Reality Headset based tests
- Where
- United Kingdom
- Volunteers
- 18 people
- Sponsor
- Queen's University, Belfast
Central Visual Impairment
Training Oculo-motor Control to Improve Vision When Using a Preferred Retinal Locus
When high-detail vision is lost due to a retinal disease such as macular degeneration, people see poorly, and have difficulty with eye movements (oculo-motor control).
- Trial name
- NCT05637385
- Testing
- Training of perception and oculo-motor control
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Russell L. Woods
Age-related Macular Degeneration, Low Vision
Automatic Self Transcending Meditation (ASTM) for Patients With Severe Age Related Macular Degeneration (AMD)
Age-related macular degeneration (AMD) is a condition affecting 20 to 25 million people worldwide. Symptoms of AMD includes difficulty in reading, recognizing faces and completing house work which may result in increased…
- Trial name
- NCT03104608
- Testing
- Automatic Self Transcending Meditation, Treatment as Usual
- Where
- Canada
- Volunteers
- 140 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Central Retinal Vein Occlusion
Ranibizumab Intravitreal Injections Versus Sham Control in Patients With Central Retinal Vein Occlusion (CRVO)
Provide efficacy and safety data on intravitreal injections of ranibizumab 0.5 mg in patients with visual impairment due to macular edema secondary to CRVO
- Trial name
- Camellia (NCT01976312)
- Testing
- Ranibizumab 0.5 mg
- Where
- 34 sites in China, Hong Kong and 5 more
- Volunteers
- 252 people
- Sponsor
- Novartis Pharmaceuticals
Depression in Old Age, Ketamine
Effect of Ketamine in Depressive Symptoms of Elderly Patients With Visual Impairment.
the prevalence of depression in elderly is from 4 to 30% and is associated with a lower quality of life mayor medical comorbidity, and increased mortality.
- Trial name
- NCT03473431
- Testing
- Ketamine, control
- Where
- Mexico
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Instituto Mexicano del Seguro Social
Visual Impairment, Macular Edema
Efficacy and Safety of Ranibizumab Intravitreal Injections Versus Dexamethasone Intravitreal Implant in Patients With Branch Retinal Vein Occlusion (BRVO)
This clinical trial is designed to compare ranibizumab in comparison with Dexamethasone implant after 6 months of treatment. In the study arm Ranibizumab will be given monthly in a pro re nata scheme whereas the comparator…
- Conditions
- Visual Impairment, Macular Edema, Branch Retinal Vein Occlusion
- Trial name
- COMRADE-B (NCT01396057)
- Testing
- Ranibizumab, Dexamethasone Implant
- Where
- 66 sites in Czechia, Germany and 3 more
- Volunteers
- 244 people
- Sponsor
- Novartis Pharmaceuticals
Visual Impairment in Children
Highlighting the Benefits of a Screening Protocol Delivered by Orthoptists to Identify Visual Impairment in Children Aged 3 to 4
Visual developmental abnormalities affect 10 to 15% of the population under 6 years of age and leads to amblyopia in 30% of cases if left untreated.
- Trial name
- ORTHOPHTALMO (NCT04395560)
- Where
- France
- Volunteers
- 300 people
- Sponsor
- Clinique Rive Gauche