Clinical trials: Visual Loss
Diabetic Retinopathy, Sickle Cell Trait
Diabetic Retinopathy and Sickle Trait
To more clearly ascertain the relationship between ocular manifestations of sickle cell disease and diabetes, specifically; whether the presence of sickle cell trait exacerbates the disease progression of diabetic retinopathy.
- Trial name
- NCT00720317
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Medical University of South Carolina
Hemianopia, Brain Injuries
Biofeedback Training for Hemianopia
This is a prospective study that compares biofeedback training on the microperimetry (BT) to a control group in patient s with hemianopia.
- Trial name
- NCT06995313
- Testing
- Biofeedback training
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- University Health Network, Toronto
Hypotension,Controlled
Correlation Analysis of the Effects of Management Pressure Goals and Control Volume Goals in Patients in Spinal Surgery
The investigators study 160 patients undergoing spinal surgery.Participants will be randomly divided into study group and control group.The study group will receive controlled hypotension by nitroglycerin and be divided into 3…
- Trial name
- NCT03917004
- Testing
- Nitroglycerin
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Liang Bing
Diabetic Macular Edema
Post Marketing Study to Evaluate the Safety and Effectiveness of Brolucizumab in Patients With Diabetic Macular Edema.
The purpose of this study is to generate additional safety and effectiveness data in Indian Diabetic macular edema (DME) patients that more closely resemble the real-world population intended to be treated with Brolucizumab.
- Trial name
- NCT05959304
- Testing
- brolucizumab
- Where
- 8 sites in India
- Volunteers
- 66 people
- Sponsor
- Novartis Pharmaceuticals
Blindness
Sensory Substitution and Brain Plasticity Following Vision Loss
The goal of this clinical investigation is to learn how the brain responds when visual information is converted into patterns of sound or touch in blind and sighted participants.
- Trial name
- SenSubMRI (NCT07450677)
- Testing
- Electrotactile display (BrainPort), Vision-to-sound converter (AI Sight)
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Stanford University
Macular Edema (ME)
To Assess the Efficacy and Safety of Intravitreal Ranibizumab in People With Vision Loss Due to Macular Edema
To evaluate the efficacy and safety of 0.5 mg Ranibizumab intravitreal injections in adult patients with visual impairment due to macular edema (ME).
- Trial name
- NCT01846299
- Testing
- Ranibizumab
- Where
- 61 sites in Australia, Belgium and 17 more
- Volunteers
- 181 people
- Sponsor
- Novartis Pharmaceuticals
Visual Field Defects, Visual Field Loss
Study on the Effectiveness and Safety of VRT in Patients With Visual Field Defects
The goal of this clinical trial is to learn if visual restoration therapy (VRT) (a type of treatment that aims to improve vision) works to the visual rehabilitation of patients with visual field defects.
- Trial name
- NCT06914505
- Testing
- visual restoration therapy
- Volunteers
- 58 people
- Sponsor
- Xuanwu Hospital, Beijing
Neovascular Age-Related Macular Degeneration
Study of Efficacy and Safety of Brolucizumab vs. Aflibercept in Chinese Patients With Neovascular Age-Related Macular Degeneration
To compare brolucizumab to aflibercept in Chinese patients with untreated active choroidal neovascularization (CNV) secondary to age-related macular degeneration (AMD)
- Trial name
- NCT04047472
- Testing
- Brolucizumab 6mg, Aflibercept 2 mg
- Where
- 30 sites in China
- Volunteers
- 397 people
- Sponsor
- Novartis Pharmaceuticals
Retinal Hemangioblastoma, Von Hippel-Lindau Disease
Retrospective Case Series of Trans-scleral Cryotherapy for Retinal Hemangioblastoma
Background: Retinal hemangioblastoma (RH) is a tumor. It grows from the retina in the eye. It can threaten a person s vision. Trans-scleral cryotherapy is used to destroy the tumors and minimize the long-term risks of vision…
- Trial name
- NCT04458935
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- National Eye Institute (NEI)
Stroke, Visual Field Loss
Vision on the Road: Vision Rehabilitation for Driving After Stroke
The goal of this clinical trial is to learn if vision training works to improve functional vision in people with visual field loss after stroke.
- Conditions
- Stroke, Visual Field Loss, Hemianopia
- Trial name
- DRIVE (NCT07147660)
- Testing
- Compensatory scanning training, Delayed Compensatory scanning training
- Where
- 2 sites in Norway
- Volunteers
- 52 people
- Sponsor
- University of South-Eastern Norway
Stroke, Ischemic, Hemianopia, Homonymous
Statistical Learning as a Novel Intervention for Cortical Blindness
This project aims to develop a novel visual training paradigm for use in visually-intact participants and those sufferings from stroke-induced visual impairments.
- Conditions
- Stroke, Ischemic, Hemianopia, Homonymous, Hemianopsia, Occipital Lobe Infarct
- Trial name
- NCT06578117
- Testing
- Vision Training and Learning Task
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Brain Tumor, Central Nervous System Tumors
Cyproheptadine and Megestrol in Preventing Weight Loss in Children With Cachexia Caused By Cancer or Cancer Treatment
RATIONALE: Cyproheptadine and megestrol may improve appetite and help prevent weight loss in children with cancer. PURPOSE: This phase II trial is studying how well cyproheptadine and megestrol work in improving appetite and…
- Conditions
- Brain Tumor, Central Nervous System Tumors, Cachexia, Leukemia
- Trial name
- NCT00066248
- Testing
- cyproheptadine hydrochloride, megestrol acetate
- Where
- 43 sites in United States, Canada and 1 more
- Volunteers
- 70 people
- Sponsor
- University of South Florida
Hearing Loss, Audiometric Tests
From Early Music Audiometry to Tone Audiograms
Hearing tests are crucial for a child's development, but the standard test, Visual Reinforcement Audiometry (VRA), often doesn't work for those with social communication disorders (SCD) and autism spectrum disorder (ASD).
- Trial name
- FERMATA (NCT07722936)
- Testing
- Soundfield Behavioral Audiometry
- Where
- 2 sites in United Kingdom
- Volunteers
- 100 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Total Knee Arthroplasty
Visual Field Infiltration of Tranexamic Acid Reduced the Blood Loss in Total Knee Arthroplasty
Background and study aims Osteoarthritis (OA) is the most common type of arthritis, which most often affects the knee. It occurs when the protective cartilage on the end of bones wears away.
- Trial name
- NCT03934047
- Testing
- Tranexamic Acid 100 MG/ML
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Wet Macular Degeneration
OZURDEX in Age Related Macular Degeneration as Adjunct to Ranibizumab
In the Western World, Age Related Macular Degeneration (ARMD) is a leading cause of blindness. This disease was once thought to be a natural part of aging, but recent research has introduced effective treatments.
- Trial name
- STAR (NCT01243086)
- Testing
- Ranibizumab, OZURDEX
- Where
- Canada
- Volunteers
- 10 people
- Sponsor
- McMaster University
Age-related Cataract, Vision Loss
Long-term Safety & Performance of REVISYON SDS100 in Mild to Moderate Cataract: Extension Study (EB-CE-02)
A non-interventional, extension study on the long-term maintenance of safety and performance of the REVISYON SDS 100 medical device in subjects with mild-to-moderate cataract.
- Conditions
- Age-related Cataract, Vision Loss, Cataract, Mild Cataract
- Trial name
- EB-CE-02 (NCT07246915)
- Where
- 6 sites in Romania
- Volunteers
- 47 people
- Sponsor
- Edinburgh Biosciences Ltd
Periodontal Diseases, Periodontal Pocket
Comparison of Gingival Flap Procedure Using Conventional Surgical Loupes vs. Videoscope for Visualization
This study is being performed to compare different methods of visualization during routine gum surgery. The gum surgery is standard of care.
- Conditions
- Periodontal Diseases, Periodontal Pocket, Periodontitis, Periodontal Inflammation
- Trial name
- NCT05932017
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Texas A&M University
Age-related Macular Degeneration, Depression
Low Vision Depression Prevention Trial for Age Related Macular Degeneration
This randomized, controlled clinical trial, the Low Vision Depression Prevention TriAL (VITAL), will test the efficacy of collaborative low vision rehabilitation (LVR) to prevent depressive disorders in Age-Related Macular…
- Trial name
- VITAL (NCT00769015)
- Testing
- BA-LVR, ST-LVR
- Where
- United States
- Volunteers
- 188 people
- Sponsor
- Thomas Jefferson University
Leber's Hereditary Optic Neuropathy (LHON)
Evaluation of Impact of Disease and Visual Disability on Quality of Life and Loss of Independence of Patients Living in France With Leber's Hereditary Optic Neuropathy (LHON) Through Qualitative and Quantitative Data Collection
Leber's hereditary optic neuropathy (LHON) is a rare mitochondrial genetic disorder characterized by optic nerve atrophy due to the degeneration of retinal ganglion cells, which leads to acute visual loss.
- Trial name
- NCT05555784
- Where
- France
- Volunteers
- 12 people
- Sponsor
- Argo Sante
Age-related Macular Degeneration
Study to Assess the Efficacy and Safety of Brolucizumab 6mg Compared to Aflibercept 2 mg in a Treat-to-control Regimen (TALON)
This was a 64-week randomized, double-masked, multi-center, active-controlled, two-arm study in patients with neovascular age related macular degeneration (nAMD) who have not previously received anti- vascular endothelial growth…
- Trial name
- TALON (NCT04005352)
- Testing
- Brolucizumab 6 mg, Aflibercept 2 mg
- Where
- 118 sites in United States, Argentina and 18 more
- Volunteers
- 734 people
- Sponsor
- Novartis Pharmaceuticals