Clinical trials: Retina Disorder
Stroke, Risk Reduction
CHM Teabag Decrease Stroke Risk Among Hong Kong Elderly
This stepped wedge cluster randomized controlled trial aims to examine the efficacy and safety of CHM teabag in decreasing stroke risk by machine-learning-based retinal image analysis in elderly population.
- Conditions
- Stroke, Risk Reduction, Elderly
- Trial name
- NCT05801575
- Testing
- Chinese Herbal Medicine (CHM) teabag
- Where
- China
- Volunteers
- 912 people, healthy volunteers welcome
- Sponsor
- Hong Kong Baptist University
Age-Related Macular Degeneration
Lucentis Utilizing Visudyne (LUV Trial) Combination Therapy in the Treatment of Age-Related Macular Degeneration
The PDT/Lucentis trial will be a Phase IV comparative trial comparing the use of combination therapy with ITV ranibizumab and verteporfin PDT to ITV ranibizumab alone in patients with exudative AMD.
- Trial name
- NCT00423189
- Testing
- Ranibizumab (Lucentis), 0.5mg ranibizumab
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- David M. Brown, M.D.
Retinal Disease
Peripheral Retina Robotically Aligned OCT Study
Optical coherence tomography (OCT) is a 3D imaging technology that has seen wide adoption within ophthalmology. However, optical access to the retinal periphery remains a challenge for conventional OCT systems.
- Trial name
- PR-RAOCT (NCT06451068)
- Testing
- Peripheral retina robotically aligned optical coherence tomography (OCT) system, Likert Scales
- Volunteers
- healthy volunteers welcome
- Sponsor
- Duke University
Genetic Disease, Inherited Disease
Adaptive Optics Retinal Imaging in Inherited and Acquired Retinal Disorders
This is a Prospective Observational study. The aim of the study is to understand the underlying photoreceptor, retinal pigment epithelium or retinal vascular aberrations in inherited and acquired retinal disorders.
- Trial name
- NCT05386134
- Testing
- Adaptive Optics Retinal Camera
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Retinal Detachment
Adjunctive Local Application of Lidocaine During Scleral Buckling Under General Anesthesia
The purpose of this study is to evaluate the effect of topical lidocaine in scleral buckling surgery.
- Trial name
- NCT01417572
- Testing
- lidocaine
- Where
- Iran
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Isfahan University of Medical Sciences
Retinal Diseases
UHR-OCT and HD-OCT for Preretinal Membranes: ICG Versus Membrane Blue
Using the UHR-OCT and HD-OCT to evaluate early postoperative changes in patients with diagnosis preretinal membrane after successfully performed pars-plana vitrectomy and membrane peeling with two different types of dyes.
- Trial name
- NCT00437593
- Testing
- ppVE, MP, ICG, ppVE, MP, MB
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Age - Related Macular Degeneration (AMD)
Enhanced Vision and Imaging Tests for Enabling Treatment Trials in Early and Intermediate AMD
This monocentric prospective longitudinal observational study will validate fundus-tracked dark adaptometry as an endpoint for future treatment trials in early and intermediate age-related macular degeneration (AMD).
- Trial name
- EVITE-AMD (NCT07515521)
- Where
- Germany
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Maximilian Pfau
Glaucoma, Rubeosis Iridis
Intraocular Bevacizumab (Avastin) for Rubeosis Iridis
Bevacizumab (Avastin®, Roche, Rio de Janeiro, Brazil) is an anti-VEGF recombinant humanized monoclonal IgG1 antibody used to treat colorectal cancers.
- Trial name
- NCT00557232
- Testing
- bevacizumab
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Instituto de Olhos de Goiania
Amblyopia, Myopia
Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population
Screening of haitian children between the ages of 3 and 6 years old for amblyogenic risk factors with the use of the Spot photoscreener. The photoscreener results will be compared to the complete ophthalmologic evaluation.
- Conditions
- Amblyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- POPH (NCT02655432)
- Testing
- Spot photoscreener, Ophthalmologic evaluation, Cyclopleged refraction
- Where
- 3 sites in Haiti
- Volunteers
- healthy volunteers welcome
- Sponsor
- Université de Montréal
Diabetic Retinopathy
The Diabetic Retinopathy Screening, Prevention and Control Program
The greatest harm of diabetes is various acute and chronic complications, especially diabetic retinopathy(DR), leading to extremely high rates of disability and blindness.
- Trial name
- NCT04240652
- Where
- 2 sites in China
- Volunteers
- 500,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Jiao Tong University School of Medicine
Central Retinal Vein Occlusion
Retinal Blood Flow in Response to an Intravitreal Injection of Ranibizumab for Central Retinal Vein Occlusion (CRVO)
Ranibizumab (Lucentis, Genentech) is an off-label drug used for the clinical treatment of central retinal vein occlusion, which is one of the most common retinal vascular disorders.
- Trial name
- NCT01303276
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Retinitis Pigmentosa, Glaucoma
Evaluation of Objective Perimetry Using Pupillometer
Objective perimetry can better monitor visual field defects in RP and Glaucoma patients than conventional subjective perimetry.The PLR ( Pupil Light Reflex ) of the short and long wave ratio should be significantly higher in…
- Conditions
- Retinitis Pigmentosa, Glaucoma, Visual Field
- Trial name
- NCT01021982
- Where
- Israel
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Macular Pucker
Compare ELP in Patients With Elective Phaco-VTX Surgery in One Eye and a Single Lens Phaco Surgery on the Other Eye
The aim of the study is to gain more insight into the potential impact of a vitrectomy (removal of the vitreous) on postoperative effective position of the intraocular lens (IOL).
- Trial name
- ELP (NCT04397068)
- Testing
- phaco-vitrectomy
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Myopia, Refractive Errors
Effect of Repeated Low-Level Red-Light Therapy on Retinal Function and Structure
The purpose of this clinical trial is to evaluate the effect of repeated low-level red-light (RLRL) therapy on the retinal function and structure among myopic teenagers.
- Conditions
- Myopia, Refractive Errors, Eye Diseases, Retina; Change
- Trial name
- NCT05597397
- Testing
- RLRL
- Where
- China
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Retinitis Pigmentosa
Validation of Standardized Test Protocols to Assess the Impact of Visual Pathologies in Daily Life Activities
the incidence of the disease of retinal degenerations with loss of photoreceptors (related to old age or genetic) on patients' daily lives, is poorly characterize without standardized means of measurement (usually performed with…
- Trial name
- PROST (NCT04448860)
- Testing
- performance of behavioral locomotion tasks phase 1, performance of behavioral locomotion tasks phase 2
- Where
- France
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Age-Related Macular Degeneration, Genetic Testing
The Moran AMD Genetic Testing Assessment Study
The goals of this study are: To assess the impact of genetic testing for Age-related Macular Degeneration (AMD) on lifestyle behaviors as measured by systemic and ocular carotenoid status.
- Conditions
- Age-Related Macular Degeneration, Genetic Testing, Nutritional Biomarkers
- Trial name
- MAGENTA (NCT05265624)
- Testing
- Early disclosure of genetic testing results, Late disclosure of genetic testing results
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Paul S. Bernstein
Graves Disease, Graves Ophthalmopathy
Systemic Inflammation, Thyroid Autoimmunity and Neuroretinal Changes in Graves Disease
This retrospective observational study aims to evaluate the relationship between systemic inflammatory parameters, thyroid autoimmunity markers, and neuroretinal structures in patients with Graves disease.
- Trial name
- NCT07480720
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Elazıg Fethi Sekin Sehir Hastanesi
Macular Degeneration
Vision Improvement for Patients With Age-Related Macular Degeneration
This study is being conducted to assess the safety and efficacy of the VIS, LLC (VIS) Opti-K Low Vision Aid Device and treatment to provide vision improvement to patients with age-related macular degeneration.
- Trial name
- NCT06198452
- Testing
- Vision Improvement
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- VIS, Inc.
Epiretinal Membrane
Microperimetry and Optical Coherence Tomography (OCT) in Idiopathic Epiretinal Membrane
Purpose: To evaluate macular sensitivity and its correlation with visual acuity and Spectral Domain Optical Coherence Tomography (SD-OCT) in eyes with idiopathic epiretinal membrane (ERM).
- Trial name
- NCT01481987
- Testing
- Epiretinal Membrane Surgical treatment
- Where
- France
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Dijon
Age-Related Macular Degeneration
The Role of Inflammation in AMD and Related Disorders
This prospective, non-therapeutic study will compare the relative utility of multiple ocular imaging modalities in the detection of the cellular immune response in patients with AMD and related disorders.
- Trial name
- NCT02588378
- Testing
- multi-modal cSLO imaging
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto