Clinical trials: Retina; Change
Rare Disorders, Undiagnosed Disorders
Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford
The Coordination of Rare Diseases at Sanford (CoRDS) is an international patient registry that serves as a centralized resource for rare disease research.
- Conditions
- Rare Disorders, Undiagnosed Disorders, Disorders of Unknown Prevalence, Cornelia De Lange Syndrome
- Trial name
- CoRDS (NCT01793168)
- Where
- United States
- Volunteers
- 20,000 people
- Sponsor
- Sanford Health
Endophthalmitis, Cataract
Early Vitrectomy for Endophthalmitis After Cataract Surgery
Post-operative infectious endophthalmitis is devastating condition that causes a diffuse intraocular inflammation and may lead to blindness.
- Conditions
- Endophthalmitis, Cataract, Vitreous Detachment, Retinal Detachment
- Trial name
- NCT05249413
- Testing
- Early 23-gauge pars-plana vitrectomy
- Where
- Egypt
- Volunteers
- 11 people
- Sponsor
- Benha University
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
Maculopathy
Assessment Of Diabetic Maculopathy Changes After Phacoemulsification by Using Optical Coherence Tomography
Investigators aimed to assess the macular changes with OCT after uncomplicated phacoemulsification surgery in diabetic patients with non proliferative diabetic retinopathy (NPDR) at the time of surgery and the effect of…
- Trial name
- Maculopathy (NCT05547789)
- Testing
- non steroidal anti inflammatory drugs
- Where
- 2 sites in Egypt
- Volunteers
- 30 people
- Sponsor
- Assiut University
Rhegmatogenous Macula-off Retinal Detachment
Corneal Endothelial Cell Changes In Silicon Filled Eye
The aim of this study is to evaluate corneal endothelial cell changes after pars plana vitrectomy in Rhegmatogenous Retinal detachment , compare the results using different silicon oil viscositites , and assess whether these…
- Trial name
- Endothelium (NCT07418606)
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Minia University
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
Ophthalmology, Macular Edema
Evaluation of Changes in Visual Acuity in Patients With Diabetic Macular Edema (DME) Starting Treatment With an Approved Anti-VEGF Therapy
POLARIS : A non-interventional study in patients with diabetic macular edema (DME) with central involvement to assess the effectiveness of existing anti-vascular endothelial growth factor (anti-VEGF) treatment regimens.
- Conditions
- Ophthalmology, Macular Edema, Macular Degeneration
- Trial name
- POLARIS (NCT01771081)
- Testing
- Ranibizumab (or other DME treatment)
- Where
- 8 sites in France, Germany and 6 more
- Volunteers
- 911 people
- Sponsor
- Bayer
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
Visual Impairment, Amblyopia
Developing Better Computerised Vision Tests (CVTV)
Clinical vision measurements usually involve printed charts with an eye care professional interpreting patient responses to generate a score. Those scores determine the need for or outcome of treatment.
- Conditions
- Visual Impairment, Amblyopia, Macular Degeneration, Ophthalmic Disease
- Trial name
- CVTV (NCT06224751)
- Testing
- Near logMAR letter acuity, Near LogMAR word acuity, Red Green Stereoacuity
- Where
- United Kingdom
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Diabetic Retinopathy (DR), Retinal Microvascular Changes
Relation Between Glycemic Control and Retinal Microvascular Changes in Diabetic Patients Using OCTA
An observational cross-sectional comparative study which will be conducted in the Department of Ophthalmology, Sohag University Hospital, Egypt to detect the relation between glycemic control and retinal microvascular changes in…
- Trial name
- Retinopathy (NCT07726381)
- Volunteers
- 50 people
- Sponsor
- Sohag University
Familial Mediterranean Fever (FMF), Autoinflammation
Familial Mediterranean Fever and Related Disorders: Genetics and Disease Characteristics
This study is designed to explore the genetics and pathophysiology of diseases presenting with intermittent fever, including familial Mediterranean fever, TRAPS, hyper-IgD syndrome, and related diseases.
- Conditions
- Familial Mediterranean Fever (FMF), Autoinflammation, Periodic Fever, Fever
- Trial name
- NCT00001373
- Where
- 5 sites in United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- National Human Genome Research Institute (NHGRI)
Amblyopia
Changes in Amblyopia Using Optical Coherence Tomography
There have been multiple trials to investigate the morphological changes in the macula and retinal nerve fiber layer of amblyopic eyes, due to the different published results and the lack of evident association between these…
- Trial name
- NCT04092361
- Testing
- optical coherence tomography
- Volunteers
- 28 people
- Sponsor
- Assiut University
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
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
BPD - Bronchopulmonary Dysplasia, NEC - Necrotizing Enterocolitis
Targeted vs Standard Fortification of Breast Milk
BACKGROUND: Human milk (HM) is recommended for all very low birth infants (VLBW)). Breast-milk is highly variable in nutrient content, failing to meet the nutritional demands of VLBW.
- Conditions
- BPD - Bronchopulmonary Dysplasia, NEC - Necrotizing Enterocolitis, Weight Gain, VLBW - Very Low Birth Weight Infant
- Trial name
- NCT03775785
- Testing
- Tailored enteral nutrition
- Where
- 2 sites in Poland
- Volunteers
- 200 people
- Sponsor
- Princess Anna Mazowiecka Hospital, Warsaw, Poland
Eye Diseases, Hereditary
Fundus Changes in the Microphthalmy Eyes
The goal is to describe the fundamental aspects of fundoscopic eye in patients with microphthalmia
- Trial name
- NCT00811512
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Hospital de Olhos Sadalla Amin Ghanem
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
Retinitis Pigmentosa (RP)
Prospective, Randomized, Sham-controlled, Dose-finding I/II Trial of Safety and Efficacy of Modified Optogenetic Gene Therapy (ZM-02 Injection)
This is a Phase 1/2, multi-center, randomized, sham-controlled, dose-escalation study evaluating ZM-02 in patients with advanced retinitis pigmentosa (RP).
- Trial name
- PRISM (NCT07282457)
- Testing
- ZM-02 (low dose), ZM-02 (high dose), ZM-02 (selected dose)
- Volunteers
- 21 people
- Sponsor
- Zhongmou Therapeutics
Optic Neuritis
Effect of Vitamin D on Retinal Changes in Patient With Optic Neuritis by Optic Coherence Tomography
This study examines the effect of vitamin D on Retinal changes in patient with optic Neuritis.
- Trial name
- NCT01465893
- Testing
- Vitamin D, Vitamin D withheld
- Where
- Iran
- Volunteers
- 60 people
- Sponsor
- Isfahan University of Medical Sciences
Diabetic Retinopathy
Intravitreal Bevacizumab for Proliferative Diabetic Retinopathy
Recently, intravitreal bevacizumab (Avastin) injection has gained popularity as a potential treatment of intraocular neovascularization (CNV) associated with age related macular degeneration and diabetic retinopathy.
- Trial name
- NCT00423059
- Testing
- bevacizumab
- Where
- South Korea
- Volunteers
- 20 people
- Sponsor
- Yonsei University