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29 studies found for:    Open Studies | "Blindness"
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Rank Status Study
1 Recruiting Development of a Cortical Visual Neuroprosthesis for the Blind
Condition: Blindness
Intervention: Procedure: Minicraniotomy
2 Recruiting Continued Study of Artificial Vision: Evaluation of the BrainPort® System and Investigation of Visual Ambulation
Condition: Blindness
Intervention: Device: BrainPort
3 Recruiting Feasibility of Stimulating the Visual Cortex in Blind
Condition: Blindness,Acquired
Intervention: Procedure: Surgical device implant in brain
4 Recruiting Evaluating Color Perception Under LED Red/Green and Green Dominant Light
Condition: Color Blindness, Acquired
Interventions: Device: White LED Flashlight;   Device: Red/Green Green Dominant LED Flashlight
5 Recruiting Functional Neuroimaging of Cortical Plasticity in the Human Visual System
Conditions: Stroke;   Blindness;   Vision
Intervention:
6 Recruiting Compensation for Blindness With the Intelligent Retinal Implant System (IRIS V2) in Patients With Retinal Dystrophy
Conditions: Retinitis Pigmentosa;   Cone Rod Dystrophy;   Choroideremia
Intervention: Device: Intelligent Retinal Implant System
7 Recruiting Inherited Retinal Degenerative Disease Registry
Conditions: Eye Diseases Hereditary;   Retinal Disease;   Achromatopsia;   Bardet-Biedl Syndrome;   Bassen-Kornzweig Syndrome;   Batten Disease;   Best Disease;   Choroidal Dystrophy;   Choroideremia;   Cone Dystrophy;   Cone-Rod Dystrophy;   Congenital Stationary Night Blindness;   Enhanced S-Cone Syndrome;   Fundus Albipunctatus;   Goldmann-Favre Syndrome;   Gyrate Atrophy;   Juvenile Macular Degeneration;   Kearns-Sayre Syndrome;   Leber Congenital Amaurosis;   Refsum Syndrome;   Retinitis Pigmentosa;   Retinitis Punctata Albescens;   Retinoschisis;   Rod-Cone Dystrophy;   Rod Dystrophy;   Rod Monochromacy;   Stargardt Disease;   Usher Syndrome
Intervention:
8 Recruiting Stem Cells Therapy for Corneal Blindness
Conditions: Corneal Injuries;   Corneal Burns;   Corneal Scars and Opacities
Intervention: Biological: Ex-vivo cultivated limbal stem cell pool
9 Recruiting Clinical Trial of Gene Therapy for the Treatment of Leber Congenital Amaurosis (LCA)
Condition: Leber Congenital Amaurosis
Intervention: Genetic: AAV2/5 OPTIRPE65
10 Recruiting Natural History Study of Patients With Leber Congenital Amaurosis Associated With Mutations in RPE65
Condition: Leber Congenital Amaurosis
Intervention:
11 Recruiting Efficacy of Biofortified Maize to Improve Maternal and Infant Vitamin A Status
Condition: Vitamin A Deficiency
Interventions: Dietary Supplement: Conventional white maize;   Dietary Supplement: Provitamin A carotenoid biofortified maize;   Dietary Supplement: Preformed vitamin A fortified maize
12 Recruiting Effects of EED on Zn Absorption and Retention in Children From a Standard Dose
Conditions: Environmental Enteric Dysfunction;   Zinc Deficiency;   Vitamin A Deficiency
Interventions: Drug: 3 mg zinc sulfate supplement;   Drug: 0.5 mg of 13C10-retinyl-acetate
13 Not yet recruiting Using Stable Isotope Techniques to Monitor and Assess the Vitamin A Status of Children Susceptible to Infection
Condition: Vitamin A Deficiency
Intervention: Dietary Supplement: Mega-dose of vitamin A supplement
14 Recruiting Clinical Trial of Gene Therapy for Leber Congenital Amaurosis Caused by RPE65 Mutations
Condition: Leber Congenital Amaurosis
Intervention: Genetic: rAAV2-hRPE65
15 Recruiting Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford
Conditions: Rare Disorders;   Undiagnosed Disorders;   Disorders of Unknown Prevalence;   Cornelia De Lange Syndrome;   Prenatal Benign Hypophosphatasia;   Perinatal Lethal Hypophosphatasia;   Odontohypophosphatasia;   Adult Hypophosphatasia;   Childhood-onset Hypophosphatasia;   Infantile Hypophosphatasia;   Hypophosphatasia;   Kabuki Syndrome;   Bohring-Opitz Syndrome;   Narcolepsy Without Cataplexy;   Narcolepsy-cataplexy;   Hypersomnolence Disorder;   Idiopathic Hypersomnia Without Long Sleep Time;   Idiopathic Hypersomnia With Long Sleep Time;   Idiopathic Hypersomnia;   Kleine-Levin Syndrome;   Kawasaki Disease;   Leiomyosarcoma;   Leiomyosarcoma of the Corpus Uteri;   Leiomyosarcoma of the Cervix Uteri;   Leiomyosarcoma of Small Intestine;   Acquired Myasthenia Gravis;   Addison Disease;   Hyperacusis (Hyperacousis);   Juvenile Myasthenia Gravis;   Transient Neonatal Myasthenia Gravis;   Williams Syndrome;   Lyme Disease;   Myasthenia Gravis;   Marinesco Sjogren Syndrome(Marinesco-Sjogren Syndrome);   Isolated Klippel-Feil Syndrome;   Frasier Syndrome;   Denys-Drash Syndrome;   Beckwith-Wiedemann Syndrome;   Emanuel Syndrome;   Isolated Aniridia;   Beckwith-Wiedemann Syndrome Due to Paternal Uniparental Disomy of Chromosome 11;   Beckwith-Wiedemann Syndrome Due to Imprinting Defect of 11p15;   Beckwith-Wiedemann Syndrome Due to 11p15 Translocation/Inversion;   Beckwith-Wiedemann Syndrome Due to 11p15 Microduplication;   Beckwith-Wiedemann Syndrome Due to 11p15 Microdeletion;   Axenfeld-Rieger Syndrome;   Aniridia-intellectual Disability Syndrome;   Aniridia - Renal Agenesis - Psychomotor Retardation;   Aniridia - Ptosis - Intellectual Disability - Familial Obesity;   Aniridia - Cerebellar Ataxia - Intellectual Disability;   Aniridia - Absent Patella;   Aniridia;   Peters Anomaly - Cataract;   Peters Anomaly;   Potocki-Shaffer Syndrome;   Silver-Russell Syndrome Due to Maternal Uniparental Disomy of Chromosome 11;   Silver-Russell Syndrome Due to Imprinting Defect of 11p15;   Silver-Russell Syndrome Due to 11p15 Microduplication;   Syndromic Aniridia;   WAGR Syndrome;   Wolf-Hirschhorn Syndrome;   4p16.3 Microduplication Syndrome;   4p Deletion Syndrome, Non-Wolf-Hirschhorn Syndrome;   Autosomal Recessive Stickler Syndrome;   Stickler Syndrome Type 2;   Stickler Syndrome Type 1;   Stickler Syndrome;   Mucolipidosis Type 4;   X-linked Spinocerebellar Ataxia Type 4;   X-linked Spinocerebellar Ataxia Type 3;   X-linked Intellectual Disability - Ataxia - Apraxia;   X-linked Progressive Cerebellar Ataxia;   X-linked Non Progressive Cerebellar Ataxia;   X-linked Cerebellar Ataxia;   Vitamin B12 Deficiency Ataxia;   Toxic Exposure Ataxia;   Unclassified Autosomal Dominant Spinocerebellar Ataxia;   Thyroid Antibody Ataxia;   Sporadic Adult-onset Ataxia of Unknown Etiology;   Spinocerebellar Ataxia With Oculomotor Anomaly;   Spinocerebellar Ataxia With Epilepsy;   Spinocerebellar Ataxia With Axonal Neuropathy Type 2;   Spinocerebellar Ataxia Type 8;   Spinocerebellar Ataxia Type 7;   Spinocerebellar Ataxia Type 6;   Spinocerebellar Ataxia Type 5;   Spinocerebellar Ataxia Type 4;   Spinocerebellar Ataxia Type 37;   Spinocerebellar Ataxia Type 36;   Spinocerebellar Ataxia Type 35;   Spinocerebellar Ataxia Type 34;   Spinocerebellar Ataxia Type 32;   Spinocerebellar Ataxia Type 31;   Spinocerebellar Ataxia Type 30;   Spinocerebellar Ataxia Type 3;   Spinocerebellar Ataxia Type 29;   Spinocerebellar Ataxia Type 28;   Spinocerebellar Ataxia Type 27;   Spinocerebellar Ataxia Type 26;   Spinocerebellar Ataxia Type 25;   Spinocerebellar Ataxia Type 23;   Spinocerebellar Ataxia Type 22;   Spinocerebellar Ataxia Type 21;   Spinocerebellar Ataxia Type 20;   Spinocerebellar Ataxia Type 2;   Spinocerebellar Ataxia Type 19/22;   Spinocerebellar Ataxia Type 18;   Spinocerebellar Ataxia Type 17;   Spinocerebellar Ataxia Type 16;   Spinocerebellar Ataxia Type 15/16;   Spinocerebellar Ataxia Type 14;   Spinocerebellar Ataxia Type 13;   Spinocerebellar Ataxia Type 12;   Spinocerebellar Ataxia Type 11;   Spinocerebellar Ataxia Type 10;   Spinocerebellar Ataxia Type 1 With Axonal Neuropathy;   Spinocerebellar Ataxia Type 1;   Spinocerebellar Ataxia - Unknown;   Spinocerebellar Ataxia - Dysmorphism;   Non Progressive Epilepsy and/or Ataxia With Myoclonus as a Major Feature;   Spectrin-associated Autosomal Recessive Cerebellar Ataxia;   Spasticity-ataxia-gait Anomalies Syndrome;   Spastic Ataxia With Congenital Miosis;   Spastic Ataxia - Corneal Dystrophy;   Spastic Ataxia;   Rare Hereditary Ataxia;   Rare Ataxia;   Recessive Mitochondrial Ataxia Syndrome;   Progressive Epilepsy and/or Ataxia With Myoclonus as a Major Feature;   Posterior Column Ataxia - Retinitis Pigmentosa;   Post-Stroke Ataxia;   Post-Head Injury Ataxia;   Post Vaccination Ataxia;   Polyneuropathy - Hearing Loss - Ataxia - Retinitis Pigmentosa - Cataract;   Muscular Atrophy - Ataxia - Retinitis Pigmentosa - Diabetes Mellitus;   Non-progressive Cerebellar Ataxia With Intellectual Disability;   Non-hereditary Degenerative Ataxia;   Paroxysmal Dystonic Choreathetosis With Episodic Ataxia and Spasticity;   Olivopontocerebellar Atrophy - Deafness;   NARP Syndrome;   Myoclonus - Cerebellar Ataxia - Deafness;   Multiple System Atrophy, Parkinsonian Type;   Multiple System Atrophy, Cerebellar Type;   Multiple System Atrophy;   Maternally-inherited Leigh Syndrome;   Machado-Joseph Disease Type 3;   Machado-Joseph Disease Type 2;   Machado-Joseph Disease Type 1;   Lethal Ataxia With Deafness and Optic Atrophy;   Leigh Syndrome;   Leukoencephalopathy With Mild Cerebellar Ataxia and White Matter Edema;   Leukoencephalopathy - Ataxia - Hypodontia - Hypomyelination;   Leigh Syndrome With Nephrotic Syndrome;   Leigh Syndrome With Leukodystrophy;   Leigh Syndrome With Cardiomyopathy;   Late-onset Ataxia With Dementia;   Intellectual Disability-hyperkinetic Movement-truncal Ataxia Syndrome;   Infection or Post Infection Ataxia;   Infantile-onset Autosomal Recessive Nonprogressive Cerebellar Ataxia;   Infantile Onset Spinocerebellar Ataxia;   GAD Ataxia;   Hereditary Episodic Ataxia;   Gliadin/Gluten Ataxia;   Friedreich Ataxia;   Fragile X-associated Tremor/Ataxia Syndrome;   Familial Paroxysmal Ataxia;   Exposure to Medications Ataxia;   Episodic Ataxia With Slurred Speech;   Episodic Ataxia Unknown Type;   Episodic Ataxia Type 7;   Episodic Ataxia Type 6;   Episodic Ataxia Type 5;   Episodic Ataxia Type 4;   Episodic Ataxia Type 3;   Episodic Ataxia Type 1;   Epilepsy and/or Ataxia With Myoclonus as Major Feature;   Early-onset Spastic Ataxia-neuropathy Syndrome;   Early-onset Progressive Neurodegeneration - Blindness - Ataxia - Spasticity;   Early-onset Cerebellar Ataxia With Retained Tendon Reflexes;   Early-onset Ataxia With Dementia;   Childhood-onset Autosomal Recessive Slowly Progressive Spinocerebellar Ataxia;   Dilated Cardiomyopathy With Ataxia;   Cataract - Ataxia - Deafness;   Cerebellar Ataxia, Cayman Type;   Cerebellar Ataxia With Peripheral Neuropathy;   Cerebellar Ataxia - Hypogonadism;   Cerebellar Ataxia - Ectodermal Dysplasia;   Cerebellar Ataxia - Areflexia - Pes Cavus - Optic Atrophy - Sensorineural Hearing Loss;   Brain Tumor Ataxia;   Brachydactyly - Nystagmus - Cerebellar Ataxia;   Benign Paroxysmal Tonic Upgaze of Childhood With Ataxia;   Autosomal Recessive Syndromic Cerebellar Ataxia;   Autosomal Recessive Spastic Ataxia With Leukoencephalopathy;   Autosomal Recessive Spastic Ataxia of Charlevoix-Saguenay;   Autosomal Recessive Spastic Ataxia - Optic Atrophy - Dysarthria;   Autosomal Recessive Spastic Ataxia;   Autosomal Recessive Metabolic Cerebellar Ataxia;   Autosomal Dominant Spinocerebellar Ataxia Due to Repeat Expansions That do Not Encode Polyglutamine;   Autosomal Recessive Ataxia, Beauce Type;   Autosomal Recessive Ataxia Due to Ubiquinone Deficiency;   Autosomal Recessive Ataxia Due to PEX10 Deficiency;   Autosomal Recessive Degenerative and Progressive Cerebellar Ataxia;   Autosomal Recessive Congenital Cerebellar Ataxia Due to MGLUR1 Deficiency;   Autosomal Recessive Congenital Cerebellar Ataxia Due to GRID2 Deficiency;   Autosomal Recessive Congenital Cerebellar Ataxia;   Autosomal Recessive Cerebellar Ataxia-pyramidal Signs-nystagmus-oculomotor Apraxia Syndrome;   Autosomal Recessive Cerebellar Ataxia-epilepsy-intellectual Disability Syndrome Due to WWOX Deficiency;   Autosomal Recessive Cerebellar Ataxia-epilepsy-intellectual Disability Syndrome Due to TUD Deficiency;   Autosomal Recessive Cerebellar Ataxia-epilepsy-intellectual Disability Syndrome Due to KIAA0226 Deficiency;   Autosomal Recessive Cerebellar Ataxia-epilepsy-intellectual Disability Syndrome;   Autosomal Recessive Cerebellar Ataxia With Late-onset Spasticity;   Autosomal Recessive Cerebellar Ataxia Due to STUB1 Deficiency;   Autosomal Recessive Cerebellar Ataxia Due to a DNA Repair Defect;   Autosomal Recessive Cerebellar Ataxia - Saccadic Intrusion;   Autosomal Recessive Cerebellar Ataxia - Psychomotor Retardation;   Autosomal Recessive Cerebellar Ataxia - Blindness - Deafness;   Autosomal Recessive Cerebellar Ataxia;   Autosomal Dominant Spinocerebellar Ataxia Due to a Polyglutamine Anomaly;   Autosomal Dominant Spinocerebellar Ataxia Due to a Point Mutation;   Autosomal Dominant Spinocerebellar Ataxia Due to a Channelopathy;   Autosomal Dominant Spastic Ataxia Type 1;   Autosomal Dominant Spastic Ataxia;   Autosomal Dominant Optic Atrophy;   Ataxia-telangiectasia Variant;   Ataxia-telangiectasia;   Autosomal Dominant Cerebellar Ataxia, Deafness and Narcolepsy;   Autosomal Dominant Cerebellar Ataxia Type 4;   Autosomal Dominant Cerebellar Ataxia Type 3;   Autosomal Dominant Cerebellar Ataxia Type 2;   Autosomal Dominant Cerebellar Ataxia Type 1;   Autosomal Dominant Cerebellar Ataxia;   Ataxia-telangiectasia-like Disorder;   Ataxia-intellectual Disability-oculomotor Apraxia-cerebellar Cysts Syndrome;   Ataxia-deafness-intellectual Disability Syndrome;   Ataxia With Vitamin E Deficiency;   Ataxia With Dementia;   Ataxia Neuropathy Spectrum;   Ataxia - Tapetoretinal Degeneration;   Ataxia - Photosensitivity - Short Stature;   Ataxia - Pancytopenia;   Ataxia - Oculomotor Apraxia Type 1;   Ataxia - Hypogonadism - Choroidal Dystrophy;   Ataxia - Other;   Ataxia - Genetic Diagnosis - Unknown;   Acquired Ataxia;   Adult-onset Autosomal Recessive Cerebellar Ataxia;   Alcohol Related Ataxia
Intervention:
16 Not yet recruiting Effect Of A Biofortified Food Basket On Micronutrient Status And Immune And Cognitive Function Among Infants In India
Conditions: Vitamin A Deficiency;   Iron Deficiency;   Zinc Deficiency
Interventions: Other: Multiple biofortified food crops basket (MBFC-Exp);   Other: Commercially available four food crops (MBFC-C)
17 Recruiting Cognitive and Emotional Factors in Visual Exploration Among Patients With Schizophrenia
Condition: Schizophrenia
Intervention:
18 Recruiting Revacept in Symptomatic Carotid Stenosis (Revacept/CS/02)
Conditions: Carotid Stenosis;   Atherosclerosis;   Stroke;   Transient-ischaemic Attack;   TIA;   Amaurosis Fugax
Interventions: Drug: Revacept;   Drug: Placebo
19 Recruiting Long-Term Follow-Up Gene Therapy Study for Leber Congenital Amaurosis OPTIRPE65 (Retinal Dystrophy Associated With Defects in RPE65)
Conditions: Leber Congenital Amaurosis (LCA);   Eye Diseases;   Eye Diseases, Hereditary;   Retinal Diseases
Intervention: Genetic: AAV2/5-OPTIRPE65
20 Recruiting tDCS Associated to Blindsight Rehabilitation for the Treatment of Homonymous Hemianopsia
Condition: Hemianopsia
Interventions: Other: Blindsight Training associated to tDCS;   Other: Blindsight Training alone

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Study has passed its completion date and status has not been verified in more than two years.