Clinical trials: Visual Disorder
Macular Edema, Cystoid, Vision Disorders
Intraoperative Dexamethasone Implant Improves Outcome of Cataract Surgery With Diabetic Macular Edema
This study is undertaken to determine the effect of intravitreal long acting dexamethasone implant, (Ozurdex®) in improving outcome of cataract surgery in patients with diabetic macular edema.
- Conditions
- Macular Edema, Cystoid, Vision Disorders, Diabetic Macular Edema, Cystoid Macular Edema Following Cataract Surgery
- Trial name
- NCT01546402
- Testing
- Dexamethasone Drug delivery system (Ozurdex), Cataract surgery
- Where
- India
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Age-related Macular Degeneration, Choroidal Neovascularization
Randomized Study for Efficacy and Safety of Ranibizumab 0.5mg in Treat-extend and Monthly Regimens in Patients With nAMD
This study was designed to evaluate the efficacy and safety of two different regimens of 0.5 mg ranibizumab given as intravitreal injection in patients with neovascular age-related macular degeneration
- Trial name
- TREND (NCT01948830)
- Testing
- Ranibizumab 0.5mg
- Where
- 91 sites in Belgium, Chile and 17 more
- Volunteers
- 650 people
- Sponsor
- Novartis Pharmaceuticals
Central Visual Impairment
Peripheral Reading
The purpose of this study is to evaluate reading performance in the visual periphery by simulating central vision loss using a computer-controlled gaze-contingent display with an eye tracker.
- Trial name
- NCT03640130
- Testing
- Gaze-contingent text enhancement
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Houston
Common Bile Duct Gallstones, Choledocholithiasis
Endoscopic Treatment of Difficult Bile Duct Stones: Spyglass + EHL x Balloon Dilation of the Papilla
This study compare 2 techniques to treat difficult bile duct stones endoscopically
- Trial name
- EHL (NCT02703077)
- Testing
- Spyglass, Balloon dilation of the papilla, EHL (electrohydraulic lithotripsy)
- Where
- Brazil
- Volunteers
- 100 people
- Sponsor
- University of Sao Paulo General Hospital
Breast Cancer
Prospective Ultrasound Data Collection Study for AI-Based Detection of Breast Biopsy Markers
The goal of this observational study is to collect ultrasound imaging data to support the development and refinement of an artificial intelligence (AI)-enhanced ultrasound software designed to detect and localize standard-of-care…
- Trial name
- NCT07427407
- Testing
- Breast Ultrasound Imaging With Investigational AI Software
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- AURA Health Technologies
Presbyopia
Post-Approval Study With the KAMRA Inlay
KAMRA inlay, to be unilaterally implanted into the cornea of a subject's non-dominant eye. The inlay is to be inserted into a stromal pocket created with a surgical femtosecond laser.
- Trial name
- NCT03173664
- Testing
- KAMRA Inlay
- Volunteers
- 529 people, healthy volunteers welcome
- Sponsor
- AcuFocus, Inc.
Hemorrhoidal Disease, Internal Hemorrhoids
Clinical Outcomes After Laser Hemorrhoidoplasty
This single-center prospective observational study aims to evaluate clinical outcomes, postoperative pain scores, complications, and patient satisfaction in adults undergoing laser hemorrhoidoplasty for symptomatic internal…
- Trial name
- LHP (NCT07520734)
- Testing
- Laser Hemorrhoidoplasty
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Sanliurfa Education and Research Hospital
Night Blindness
Treatment of Congenital Stationary Night Blindness With an Alga Containing High Dose of Beta Carotene
To assess the effect of oral administration of the alga Dunaliella bardawil containing approximately 50% all-trans beta-carotene and 50% 9-cis beta-carotene isomers on visual functions patients with Congenital Stationary Night…
- Trial name
- NCT00569023
- Testing
- alga Dunaliella bardawil
- Where
- Israel
- Volunteers
- 7 people
- Sponsor
- Sheba Medical Center
Stroke, Hemiparesis
Retraining the Walking Pattern After Stroke
The purpose of the study is to determine the effects of pairing gait training with different forms of visual feedback about leg movements in individual post-stroke to modify/normalize their gait pattern over time.
- Trial name
- NCT03813342
- Testing
- Gait training with visual feedback of joint kinematics
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Eye Diseases
Increasing Vision Center Service Utilization
Background: Vision Centre (primary eyecare facility): a major eye care service model catering to underserved rural areas. The sustainability of rural Vision Centres (VC) in north India is a major challenge due to the…
- Trial name
- NCT04800718
- Testing
- Intervention Arm
- Where
- India
- Volunteers
- 1,500 people
- Sponsor
- Seva Foundation
Hemianopia, Brain Injuries
Biofeedback Training for Hemianopia
This is a prospective study that compares biofeedback training on the microperimetry (BT) to a control group in patient s with hemianopia.
- Trial name
- NCT06995313
- Testing
- Biofeedback training
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- University Health Network, Toronto
Astigmatism
Quantification of the Visual Benefits of Soft Toric Contact Lenses Compared to Soft Spherical Contact Lenses
The aim of this work is to undertake a range of vision-related measures with soft toric contact lenses soft spherical contact lenses and spectacle lens correction across a range of levels of astigmatism.
- Trial name
- NCT04613882
- Testing
- Soft Toric Custom Made Contact lens, Soft Spherical Contact Lenses, Spectacle Correction
- Where
- United Kingdom
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Lip and Oral Cavity Squamous Cell Carcinoma, Oral Cavity Verrucous Carcinoma
Direct Visual Fluorescence in Finding Oral Cancer in High-Risk Patients and Patients Undergoing Routine Dental Care
This clinical trial studies direct visual fluorescence in finding oral cancer in high-risk patients and patients undergoing routine dental care.
- Conditions
- Lip and Oral Cavity Squamous Cell Carcinoma, Oral Cavity Verrucous Carcinoma, Stage 0 Lip and Oral Cavity Cancer, Tongue Cancer
- Trial name
- NCT01816841
- Testing
- fluorescence imaging, biopsy, examination
- Where
- United States
- Volunteers
- 68 people
- Sponsor
- Ohio State University Comprehensive Cancer Center
Abducens Nerve Paralysis
Effects of Ocular Electroacupuncture on Abducens Nerve Palsy
The purpose of the study is to testify the efficacy of treating abducens nerve palsy with ocular electroacupuncture or ocular acupuncture, and to compare the efficacy between these two interventions.
- Trial name
- NCT03099460
- Testing
- ocular electroacupuncture, ocular acupuncture
- Where
- China
- Volunteers
- 150 people
- Sponsor
- First Affiliated Hospital of Harbin Medical University
Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion
New Non-invasive Modalities for Assessing Retinal Structure and Function
This study investigates a new technology to assess the structure and function inside the eye. Retinal imaging of subjects with inner and outer retinal defects to detect areas of abnormal structure and function compared to other…
- Conditions
- Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion, Hemianopia, Leber Hereditary Optic Neuropathy
- Trial name
- NCT03475173
- Testing
- LSFG-NAVI
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Randy Kardon
Orbital Fractures, Blow Out Fracture of Orbit
Orbital Fractures Registry
Approximately 300 patients presenting orbital blow-out fracture will be enrolled prospectively in this registry. All patients, surgically and nonsurgically treated as per standard (routine) of care will be followed-up (FU) within…
- Trial name
- OFx (NCT03887988)
- Testing
- Primary "early" reconstruction, Nonsurgical, Primary "delayed" reconstruction
- Where
- 14 sites in United States, Germany and 10 more
- Volunteers
- 300 people
- Sponsor
- AO Innovation Translation Center
Proliferative Diabetic Retinopathy - High Risk
Ultra-Widefield Fluorescein Angiography-Based Targeted Retinal Photocoagulation Versus Conventional Panretinal Photocoagulation in the Preservation of Visual Function and Regression of Proliferative Diabetic Retinopathy
Proliferative diabetic retinopathy is a vision-threatening disease that can lead to irreversible visual loss. The treatment options for proliferative diabetic retinopathy are anti-VEGF injection and retinal photocoagulation.
- Trial name
- NCT06653361
- Testing
- Green laser
- Where
- Pakistan
- Volunteers
- 120 people
- Sponsor
- Hayatabad Medical Complex
Diagnositic Efficacy of Deep Convolutional Neural Network in Differentiation of Glaucoma Visual Field From Non-glaucoma Visual Field
Diagnostic Efficacy of CNN in Differentiation of Visual Field
Glaucoma is currently the leading cause of irreversible blindness in the world. The multi-center study is designed to evaluate the efficacy of the convolutional neural network based algorithm in differentiation of glaucomatous…
- Trial name
- NCT03759483
- Testing
- AI diagnostic algorithm
- Where
- China
- Volunteers
- 437 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Amblyopia
Assessment of Device for Treatment of Amblyopia
The study will evaluate the effect of Reviview™, a dichoptic video display device for administrating a novel treatment protocol for Amblyopia (lazy eye) in kids.
- Trial name
- NCT02003235
- Testing
- Daily watching videos using Reviview™, a dichoptic video display device, for 60 min
- Where
- Israel
- Volunteers
- 35 people
- Sponsor
- Visior Technologies Ltd.
Myopia
Pilot Study of Neurovision to Improve Vision and Slow Myopia Progression in Children With Myopia
This is a pilot study to assess the effectiveness of Neurovision treatment in the improvement of vision in children being under-corrected and to assess the effectiveness of Neurovision treatment in slowing down myopia progression…
- Trial name
- NCT00348218
- Testing
- NeuroVision
- Where
- Singapore
- Volunteers
- 30 people
- Sponsor
- Singapore National Eye Centre