Clinical trials: Change; Retina
Retinopathy of Prematurity
Changes in Vital Signs and Pupil Diameter Related to Pharmacologic Mydriasis in Premature Infants: A Randomized Double Blind Clinical Study
Retinopathy of prematurity (ROP) is one of the common anatomic causes of blindness among Filipinos, accounting for 47.7% of the cases.
- Trial name
- NCT04838665
- Testing
- 0.5% cyclopentolate and 2.5% phenylephrine, 0.5% tropicamide + 0.5% phenylephrine, 0.5% tropicamide + 0.5% phenylephrine with a cotton wick
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of the Philippines
Carotid Stenosis
Chorioretinal Vascularization and Electrophysiological Changes After Carotid Revascularization
The aim of the study is to evaluate changes in retinal function by means of electro-functional examinations of the retina and to associate them with any changes in chorioretinal vascular density occurring in the ipsilateral eye…
- Trial name
- CAS-AOCT (NCT05835869)
- Testing
- Optical coherence tomography angiography and pattern electroretinogram
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Pseudoexfoliation Syndrome
The Correlation Between Pupil Size and Retinal Nerve Fibers Changes in Pseudoexfoliation Syndrome.
To study the possible correlation between pupillary diameter before and after dilation with intraocular pressure, lens stability and glaucomatous damage (represented by optic disc changes using cup to disc ratio and OCT changes…
- Trial name
- NCT06588816
- Testing
- optical coherence tomography
- Volunteers
- 33 people
- Sponsor
- Assiut University
Ocular Injury
Study of Retinal Vascular Changes After Ocular Blunt Trauma
This study evaluates the retinal vascular features using optical coherence tomography angiography in patients that received ocular blunt trauma.
- Trial name
- NCT04546997
- Testing
- Optical Coherence Tomography Angiography
- Where
- Italy
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Federico II University
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
Retinitis Pigmentosa
Expanded Access Program for RP in Adults
This intermediate-size patient population expanded access program is to provide access to investigational product OCU400 for up to 75 patients with Retinitis Pigmentosa (RP) outside of the ongoing clinical trial Phase 3 program…
- Trial name
- NCT06574997
- Testing
- OCU400
- Where
- 5 sites in United States
- Sponsor
- Ocugen
Retinal Neovascularization
Study of the Modification of the Retinal Nerve Fiber Layer in Patients Treated With Intravitreous Injection of Anti-VEGF
The intra-vitreous injection (IVT) of anti-VEGF (vascular endothelial growth factor) is currently the standard treatment for retinal neovascularization. The VEGF stimulates endothelial cells' proliferation and migration.
- Trial name
- IVT-RNFL (NCT02876198)
- Testing
- Gonioscopy
- Where
- 3 sites in France
- Volunteers
- 74 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Ehlers-Danlos Syndrome, Multiple Sclerosis
Vascular Fundus Changes in Patients With High Probability of Chronic Cerebrospinal Venous Insufficiency (CCSVI)
The investigators propose that evidence of chronic cerebrospinal venous insufficiency (CCSVI) may be evident in the vasculature of the fundus.
- Trial name
- NCT01356134
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Genetic Disease Investigators
Healthy
Measurement of Total Retinal Blood Flow During Flicker Stimulation in Healthy Subjects
Neurovascular coupling or functional hyperemia is defined as an essential physiologic mechanism in the brain, which is necessary for the local adaption of blood flow to altered metabolic demands of the tissue.
- Trial name
- NCT02531399
- Testing
- FDOCT, LDV, DVA
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Diabetes
Retinal Ganglion Cell Complex Changes by Optical Coherence Tomography in Diabetic Patients Without Retinopathy
Neuroretinal damage in diabetes produces functional abnormalities such as the loss of chromatic discrimination,contrast sensitivity and dark adaptation.
- Trial name
- RGCC (NCT02620644)
- Testing
- OCT Retinal GCC
- Where
- Egypt
- Volunteers
- 35 people
- Sponsor
- Cairo University
Ischemic Stroke
Correlation Between the Changes of Retinal Structure and Function and Ischemic Stroke
Ischemic stroke is the most common type of stroke, accounting for 60%-80% of all types of strokes, and is one of the leading global causes of death and severe disability.
- Trial name
- NCT05281887
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Guangdong Provincial People's Hospital
Macular Edema, Cystoid
Intraretinal Cystoid Changes After Vitrectomy With Membrane Peeling
Aim of the study is to assess the rate of postoperative intraretinal cystoid changes after pars plana vitrectomy with membrane peeling and peribulbar application of triamcinolone acetonide and to examine possible risk factors for…
- Trial name
- NCT04472039
- Testing
- optical coherence tomography (OCT)
- Where
- Austria
- Volunteers
- 40 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
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
Age Related Macular Degeneration (AMD)
A 16 Week Evaluation of the Novartis Health Management Tool (HMT) in Age Related Macular Degeneration (AMD)
This is a prospective pilot study to evaluate the usability and applicability of a self monitoring test of visual function with the handheld Health Management Tool (HMT) to remotely monitor neovascular Age Related Macular…
- Trial name
- NCT01542866
- Testing
- Health Management Tool (HMT)
- Where
- 23 sites in United States
- Volunteers
- 160 people
- Sponsor
- Novartis Pharmaceuticals
Optical Coherence Tomography, Diabetic Retinopathy
A Longitudinal Study of Choroidal Changes After Cataract Surgery in Eyes With Diabetic Retinopathy
To determine the influence of phacoemulsification on choroidal vasculature in patients with diabetic retinopathy (DR) undergoing cataract surgery
- Conditions
- Optical Coherence Tomography, Diabetic Retinopathy, Choroid
- Trial name
- NCT04499768
- Where
- China
- Volunteers
- 46 people
- Sponsor
- Ruijin Hospital
Electroretinography
The Electroretinogram in Healthy and Glucose Intolerant Young Men
The purpose is to investigate the electroretinogram (ERG) in young, healthy men in the normoglycaemic and hyperglycaemic state before and after intervention with corticosteroids treatment, high calorie diet and exercise restraint.
- Trial name
- NCT01140932
- Testing
- Prednisolone, Lifestyle change
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Glostrup University Hospital, Copenhagen
Age Related Macular Degeneration, Polypoidal Choroidal Vasculopathy
An Open Label-study to Compare the Efficacy of Aflibercept Monotherapy for Polypoidal Choroidal Vasculopathy
Polypoidal choroidal neovasculopathy (PCV) is a subtype of wet age related macula degeneration (AMD) occuring more commonly in the Asian population.
- Trial name
- NCT03117634
- Testing
- Treat and Extend with Aflibercept 2mg, Fixed Dosing with Aflibercept 2mg
- Where
- Singapore
- Volunteers
- 54 people
- Sponsor
- Singapore National Eye Centre
Myopia
Investigation of the Regulation of Retinal and Choroidal Blood Vessels in Various AL Based on WF SS-OCTA Detection With Changes in Body Position
This prospective observational study aims to understand the effects of different subaxial body positions on choroidal and retinal blood vessel density.
- Trial name
- NCT06587776
- Volunteers
- 60 people
- Sponsor
- Science and Technology Department of Sichuan Province
Epiretinal Membrane
Evaluation of Multifocal ERG and Visual Field Changes After Vitrectomy and ILM Peeling
To evulate changes in MfERG, VF and OCT after viterctomy associated with ILM peeling.
- Trial name
- NCT04281173
- Volunteers
- 10 people
- Sponsor
- Assiut University
Age-Related Macular Degeneration
Adherence to Lifestyle Changes for Age-related Macular Degeneration
The AMD-Life study investigates which strategies (personalized risk-profiling including genetic testing and/or coaching) motivate AMD patients to change their lifestyle.
- Trial name
- AMD-Life (NCT05667441)
- Testing
- Standard lifestyle recommendations + dietary supplementation, Risk profiling, Coaching
- Where
- Netherlands
- Volunteers
- 150 people
- Sponsor
- Erasmus Medical Center