Clinical trials: Eye
Myopia
Discontinuation of Orthokeratology on Eyeball Elongation in Myopic Children
The primary aim of this study is to compare eyeball elongation in existing ortho-k subjects who stop the treatment with subjects who continue ortho-k lens wear and control subjects wearing single-vision glasses.
- Trial name
- DOEE1 (NCT01236742)
- Testing
- ortho-k lenses, single-vision glasses
- Where
- China
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Open Angle Glaucoma, Narrow Angles
Comparison of Gonioscopy With Cirrus and Visante
The aim of this study is to analyze similarities and evaluate interchangeability of Visante and Cirrus OCT (optical coherent tomography)and to compare agreement between gonioscopy and the two systems for evaluation of anterior…
- Conditions
- Open Angle Glaucoma, Narrow Angles, Angle Closure Glaucoma
- Trial name
- ASOCT (NCT01895686)
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Wills Eye
Dry AMD, Diabetic Retinopathy (DR)
Microperimetry Changes in Retinal Function in Macular Disorders
The purpose of this study is to measure precisely how sensitive the central part of the retina - the light-sensitive film at the back of the eye, is to light.
- Trial name
- MAIAStud (NCT07170683)
- Testing
- MAIA Microperimetry, Microperimetry, Visual Acuity Measurement (logMAR)
- Where
- United Kingdom
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Nasolacrimal Duct Obstruction
Immediate Office Probing vs Deferred Facility Probing for Nasolacrimal Duct Obstruction in Children 6 to <10 Months Old
The purpose of this study is: To determine the cost-effectiveness of treating NLDO using immediate office probing compared with deferred probing in a facility setting.
- Trial name
- NLD3 (NCT00780741)
- Testing
- Immediate Office Probing, Deferred Facility Probing
- Where
- United States
- Volunteers
- 220 people
- Sponsor
- Jaeb Center for Health Research
Lesional Coma
Imaging of the Neural Correlates of Arousal and Awareness
In last decades, several advances in the neuro-intensive management have lead to decrease mortality in Intensive Care Units. A significant morbidity remains as patients survive after a traumatic coma with uncertain quality of…
- Trial name
- IMAGINA (NCT04575454)
- Testing
- Multimodal evaluation of brain function : PET-MRI, electrophysiology, eye-tracking
- Where
- France
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Proliferative Diabetic Retinopathy, Vascular Endothelial Growth Factor Overexpression
Macular Perfusion Changes After Anti-VEGF Versus Targeted Retinal Photocoagulation in Proliferative Diabetic Retinopathy
Diabetic retinopathy (DR) is the most common microvascular complication of diabetes mellitus (DM), while proliferative diabetic retinopathy (PDR) is the principal cause of severe visual loss in patients with diabetes.
- Conditions
- Proliferative Diabetic Retinopathy, Vascular Endothelial Growth Factor Overexpression, Diabetic Retinopathy
- Trial name
- PROPER (NCT04674254)
- Testing
- Bevacizumab Injection, Targeted retinal photocoagulation, Standard pan-retinal photocoagulation
- Where
- Egypt
- Volunteers
- 43 people
- Sponsor
- Cairo University
Relative Afferent Pupil Defect (RAPD)
Measuring Relative Afferent Pupillary Defect
The goal of this prospective reliability study is to test the effectiveness of a commercially available, off-the-shelf virtual reality head-mounted display (VR HMD) and machine learning (ML) algorithms in detecting Relative…
- Trial name
- RAPD (NCT05799066)
- Testing
- Swinging Light test, Virtual Reality Head-Mounted Display (VR HMD)
- Where
- United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Safety, Tolerability
A Study of GensSci098 in Subjects With Graves' Disease
To evaluate the safety and tolerability of single ascending subcutaneous doses of GenSci098 in patients with Graves' Disease
- Conditions
- Safety, Tolerability, GenSci098, Graves Disease
- Trial name
- NCT07286656
- Testing
- GenSci098
- Where
- China
- Volunteers
- 24 people
- Sponsor
- Changchun GeneScience Pharmaceutical Co., Ltd.
Glaucoma, Fractional Anisotropy
Analysis of Visual Pathways in Glaucoma Patients Using a 3tesla-MRI
Glaucoma is a neurodegenerative disease representing the second cause of blindness worldwide. IOP (Intra occular pressure) is the most common risk factor, but not the only one as it is observed for normal tension glaucoma.
- Trial name
- ENVOL (NCT01621841)
- Testing
- examination MRI 3T (Magnetic Resonance Imaging 3 Telsa), increasing spatial resolution and DTI (diffusion tensor Imaging) with fractional anisotropy
- Where
- France
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Stroke, Neurologic Disorder
Evaluation of Bioness Integrated Therapy System (BITS) Touch Screen Technology to Improve Field Awareness
The Bioness Integrated Therapy System (BITS) (Bioness Inc. Valencia, CA) Touch Screen is an FDA approved device comprised of an interactive touchscreen and diverse program options to challenge patients through the use of visual…
- Conditions
- Stroke, Neurologic Disorder, Traumatic Brain Injury, Acquired Brain Injury
- Trial name
- NCT04930822
- Testing
- Table Top Visual Intervention, Bioness Integrated Therapy System Visual Intervention
- Where
- United States
- Volunteers
- 37 people
- Sponsor
- Gaylord Hospital, Inc
Ocular Graft-versus-host Disease
Vigamox Treatment for Ocular Graft-Versus-Host Disease
In this study the investigators seek to prospectively measure the response of ocular graft-versus-host disease (GVHD) patients to treatment with topical Vigamox.
- Trial name
- NCT04204122
- Testing
- Vigamox
- Sponsor
- Washington University School of Medicine
ALS (Amyotrophic Lateral Sclerosis)
Safety and Feasibility of the EyeControl Device
The EyeControl device is an eye movement-based communication device in the form of wearable glasses with connected infrared cam-era that tracks the pupil and translates blinks and movements into commands.This study is aimed to…
- Trial name
- NCT02891629
- Testing
- EyeControl device
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Eyefree Assisting Communication Ltd
Astigmatism, Glaucoma
Influence of Trabeculectomy and Phaco-trabeculectomy on Corneal Astigmatism
This study investigates the effects of trabeculectomy and combined phacoemulsification plus trabeculectomy on corneal astigmatism.
- Trial name
- NCT02945202
- Testing
- Biometry, Refraction, Corneal Topography
- Volunteers
- 150 people
- Sponsor
- University of Zurich
Astigmatism
Comparison of Senofilcon A Toric Lenses to Balafilcon A Toric Lenses Over Extended Wear Period
To evaluate two toric contact lenses on the ocular physiology of existing contact lens wearers when used in an extended wear modality of days/six nights.
- Trial name
- NCT00762502
- Testing
- senofilcon A toric contact lens, balafilcon A toric contact lens
- Where
- 8 sites in United States, Australia
- Volunteers
- 112 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Pregnancy Loss, PTSD
Effectiveness of an EMDR Intervention for Perinatal Loss
The investigators objectives is to assess the effectiveness of Eye Movement Desensitization and Reprocessing - recent traumatic episode (EMDR-RTE) as a preventive intervention for Posttraumatic Stress Disorder (PTSD) symptoms…
- Trial name
- NCT05701137
- Testing
- EMDR-RTE, TAU
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- Hospital Clinic of Barcelona
Hemianopia Homonymous, Stroke
Effects of Optokinetic Stimulation Without a Reading Task in Patients With Hemianopic Alexia
The goal of this clinical trial is to investigate whether optokinetic stimulation delivered without a reading task can improve reading performance in adults with post-stroke hemianopic alexia.
- Trial name
- OPTO (NCT07830745)
- Testing
- Optokinetic stimulation without reading task, Optokinetic stimulation with reading task
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Clinique Les Trois Soleils
Visual Impairment, Macular Edema
A Clinical Study in Current Medical Practice of the Efficacy and Safety of Ranibizumab 0.5mg in Diabetic Patients Presenting a Visual Impairment Due to Macular Edema
The purpose of this study is to evaluate the proportion of patients with a 10 letters gain on Best Corrected Visual Acuity (BCVA) at 6 months in current medical practice.
- Trial name
- LUDIC (NCT01315275)
- Testing
- Ranibizumab
- Where
- 43 sites in France
- Volunteers
- 394 people
- Sponsor
- Novartis Pharmaceuticals
Neurofibromatosis Type 1
Ophthalmological Screening and Follow-up of Optic Pathway Gliomas in Children With Neurofibromatosis Type 1.
The goal of this project is to get more insight into the (neuro)ophthalmological characteristics of children with neurofibromatosis type 1.
- Trial name
- NCT02078401
- Where
- Belgium
- Volunteers
- 200 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Ocular Surface Disease, Irregular Astigmatism
Evaluation of the Safety and Efficacy of Rigid Breathable Scleral Contact Lenses for the Correction of Ametropia
To evaluate the short-term efficacy and safety of scleral contact lens in the clinical treatment of patients with irregular astigmatism after corneal transplantation by analyzing ocular parameters and ocular surface conditions of…
- Conditions
- Ocular Surface Disease, Irregular Astigmatism, Contact Lens Complication, Corneal Astigmatism
- Trial name
- NCT06256770
- Where
- China
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Keratoconus
Evaluation of Corneal Epithelial Mapping in Diagnosis of Early Keratoconus by Anterior Segment Optical Coherence Tomography
The cornea, as the outermost refractive structure of the eye, plays a critical role in maintaining clear vision. Its transparency and structural integrity are essential for optimal visual function.
- Trial name
- NCT06914973
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Assiut University
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