View clinical trials related to Blindness.
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Brain plasticity of cortical activity caused by repetitive tactile stimulation could have a progressive development that was from primary parietal areas, passing over parieto-occipital areas and came secondary to primary occipital areas. This process allows to understand the existence of neurons in the brain and specific areas for certain functions independent of the type of stimulation is performed. By performing repetitive tactile stimulation over a period of 3 months,using a tactile stimulator, our group will try to prove several that repetitive tactile stimulation can create cross-modality and improve recognition and localization of patterns in blind people.
Patients suffering from symptomatic carotid artery stenosis, transient ischemic attacks (TIAs), amaurosis fugax or stroke receive either Revacept (single dose) plus antiplatelet monotherapy or monotherapy alone. Patients receive a single dose of trial medication by intravenous infusion for 20 minutes. Patients are followed up one and three days after treatment, at 3 months and by a telephone interview at 12 months.
Osteoporosis pseudoglioma (OPPG) syndrome is a rare autosomal recessive condition of childhood osteoporosis and congenital blindness for which new treatments are needed. We have found that body fat is increased in OPPG and muscle mass is reduced. We hypothesize that growth hormone therapy will improve muscle mass and bone strength in OPPG.
The purpose of this study is to assess the safety of the BrainPort vision device and to demonstrate improved object recognition and word identification and ambulation with use of the BrainPort vision device in subjects who are medically documented as blind, with acuity of 20/ 5000 or worse.
The proposed study is intended to test the idea, based upon current knowledge of the biology and physiology of corneal ulceration in SJS/TENS patients who receive a keratoprosthesis, and on the known effects of infliximab on matrix metalloproteinases, that infliximab therapy for such patients may reduce the likelihood of corneal ulceration, and hence extend the period of prosthesis retention and vision recovery.
This is a study to focus on the feasibility of using a monitor which may signal loss of visual function intraoperatively.
The study is a follow-on to a Phase 1 dose-escalation and safety study.
The purpose of this trial was to determine the efficacy and safety of supplemental therapeutic oxygen for infants with prethreshold retinopathy of prematurity (ROP) to reduce the probability of progression to threshold ROP and the need for peripheral retinal ablation.
This is a pilot study of workshops to help Veterans with both vision and hearing loss live a happier, fuller and less stressful life. The results will be used to guide the development of a large scale clinical trial.