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
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
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)
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
Optic, Atrophy, Hereditary, Leber
Efficacy Study of GS010 for the Treatment of Vision Loss up to 6 Months From Onset in LHON Due to the ND4 Mutation
The goal of this clinical trial is to assess the effectiveness of GS010, a gene therapy, in improving the visual outcome in participants with Leber Hereditary Optic Neuropathy (LHON) due to the G11778A ND4 mitochondrial mutation…
- Trial name
- RESCUE (NCT02652767)
- Testing
- GS010
- Where
- 7 sites in United States, France and 3 more
- Volunteers
- 39 people
- Sponsor
- GenSight Biologics
Low Vision, Central Visual Impairment
Vision Rehabilitation Training With Multimodal Feedback in Central Vision Loss
Central vision loss from macular degeneration creates blind spots that impair reading, face recognition, and navigation. Individuals must learn to use peripheral vision, requiring retraining of eye movements.
- Conditions
- Low Vision, Central Visual Impairment, Macular Degeneration
- Trial name
- NCT07577219
- Testing
- eccentric viewing training with biofeedback
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- New England College of Optometry
Low Vision Blindness, Visual Impairment
Development of a Multi-sensory Rehabilitation Program for People With Ultra Low Vision
This research is aimed to address one of the big gaps in the current vision rehabilitation protocols for people with profound visual impairment by evaluating a multisensory approach.
- Conditions
- Low Vision Blindness, Visual Impairment, Quality of Life, Functional Visual Loss
- Trial name
- NCT05028712
- Testing
- Visual Information Training, Multimodal training
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- State University of New York College of Optometry
Irreversible Vision Loss
Meta Glasses for Low Vision
Visual impairment, particularly from glaucoma and retinal dystrophies, significantly hinders mobility and increases the risk of falls, leading to decreased independence and mental health challenges.
- Trial name
- NCT07317180
- Testing
- Meta AI Glasses, Control
- Volunteers
- 50 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
CHARGE Syndrome
Neurovisual Function in CHARGE Syndrome
The rationale of the study is to analyze visual function and correlate them with adaptive functions in patients with CHARGE syndrome in order to identify a pattern of specific indicators to enable better patient care
- Trial name
- NCT05764980
- Testing
- visual function evaluation
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Age-related Macular Degeneration
Visual Remapping to Aid Reading With Field Loss
Reading performance in patients with Central Vision Loss and age matched controls with artificial scotomas will be measured with and without different kinds of remapping of missing text to different parts of the visual field.
- Trial name
- NCT03848663
- Testing
- Traditional Remapping, Personalized Remapping
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Vision Loss Partial, Hemianopia
Effect of Visual Retraining on Visual Loss Following Visual Cortical Damage
This project is intended to collect data using standard clinical tests and psychophysics to quantify the effect of visual cortical damage on the structure of the residual visual system, visual perception, spatial awareness, and…
- Conditions
- Vision Loss Partial, Hemianopia, Hemianopia Homonymous, Quadrantanopia
- Trial name
- NCT05098236
- Testing
- Training in the Blind Field, Training in the Sighted Field
- Where
- United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Hemianopsia, Homonymous Hemianopia
Feasibility Test of Virtual Reality Obstacle Detection for Low Vision Walking
The investigators are developing a new test of pedestrian hazard detection in virtual reality (VR) head-mounted display (HMD) headset, which shows virtual oncoming pedestrians in 3D while subjects are walking in real-world…
- Conditions
- Hemianopsia, Homonymous Hemianopia, Tunnel Vision, Visual Field Defect, Peripheral
- Trial name
- NCT05141604
- Testing
- Field expansion view
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Stargardt Disease, Stargardt Macular Dystrophy
A Study About the Safety of a Single ASP2020 Eye Injection and if it Helps People With Vision Loss From Stargardt-type Eye Conditions
Macular dystrophies are a group of inherited eye conditions that affect the macula. The macula is in the center of the retina, the light sensitive part at the back of the eye.
- Conditions
- Stargardt Disease, Stargardt Macular Dystrophy, Stargardt-like Macular Dystrophy
- Trial name
- DEVOTE (NCT07734064)
- Testing
- ASP2020
- Where
- 4 sites in United States
- Volunteers
- 30 people
- Sponsor
- Astellas Institute for Regenerative Medicine
Neuronal Ceroid Lipofuscinosis Type 2
A Registrational Study of TTX-381 to Treat Vision Loss in CLN2 Disease
This is a registrational, first-in-human, open-label, dose escalation and expansion study evaluating the safety, tolerability and effectiveness of TTX-381, administered by injection under the retina, for the treatment of eye…
- Trial name
- NCT05791864
- Testing
- TTX-381
- Where
- 2 sites in Germany, United Kingdom
- Volunteers
- 26 people
- Sponsor
- Tern Therapeutics, LLC
Leber's Hereditary Optic Neuropathy
Study With Idebenone in Patients With Chronic Vision Loss Due to Leber's Hereditary Optic Neuropathy (LHON)
The objective of the study is to determine whether administration of idebenone can shorten the time to improvement of visual acuity in patients with chronic vision loss due to LHON.
- Trial name
- NCT01495715
- Testing
- Idebenone
- Sponsor
- Santhera Pharmaceuticals
Oral Proprioceptive Sensitivity and Upper Limb Kinesthetic Acuity
Oral Proprioceptive Sensitivity and Upper Limb Kinesthetic Acuity: A Pilot Study
The goal of this observational study is to investigate whether differences in oral proprioceptive sensitivity are associated with differences in kinesthetic acuity of the upper limbs in children.
- Trial name
- NCT07854314
- Testing
- Upper-Limb Kinesthetic Acuity Assessment, Effect of Auditory Stimulation on Visual Perception, Oral Proprioceptive Sensitivity Assessment
- Where
- Spain
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Sophie Román Richon
Blood Loss
The MAR Method Versus the Visual Estimation Method in Predicting External Blood Loss
The goal of this educational clinical trial is to determine whether the MAR method is more effective than the Visual Estimation method for estimating blood loss.
- Trial name
- NCT06855472
- Testing
- The MAR method
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 237 people, healthy volunteers welcome
- Sponsor
- Betül Akbuğa Özel
Loss of Visual Contrast Sensitivity, Near Vision
Visual Performance Following Implantation of Presbyopia Correcting IOLs
The purpose of the current study was to compare the visual performance after bilateral implantation of the Panoptix IOL , or the AT LISA IOL or Tecnis Symfony IOL .
- Conditions
- Loss of Visual Contrast Sensitivity, Near Vision, Visual Impairment
- Trial name
- NCT04907955
- Testing
- phacoemulsification with implantation of presbyopia correcting IOL
- Where
- Kuwait
- Volunteers
- 50 people
- Sponsor
- Dar Al Shifa Hospital