Clinical trials: Change; Retina
Macular Holes
Macular Micro Vascular Changes Following Macular Hole Repair : Optical Coherence Tomography Angiography Study
The goal of this prospective interventional study is to to compare the micro vascular and structural changes between surgery with and without ILM flap to repair macular hole.
- Trial name
- NCT06233500
- Testing
- pars plana vitrectomy
- Where
- Egypt
- Volunteers
- 28 people
- Sponsor
- Fayoum University
Retinal Disease
Modified Soft Contact Lens During Vitrectomy
This study compared a modified soft contact lens with balanced salt solution irrigation during pars plana vitrectomy performed with a noncontact wide-angle viewing system.
- Trial name
- NCT07807436
- Testing
- Modified Soft Contact Lens, Balanced Salt Solution Irrigation
- Where
- China
- Volunteers
- 46 people
- Sponsor
- Northwest University First Hospital (Xi'an No.1 Hospital)
Diabetic Retinopathy, Type 1 Diabetes
Effect of Omega-3 Fatty Acids on Eye Blood Vessels in Type 1 Diabetes
This double-blind, placebo-controlled randomized clinical trial evaluates the effects of omega-3 fatty acid supplementation on retinal vascular structure and function in children and adolescents with type 1 diabetes.
- Conditions
- Diabetic Retinopathy, Type 1 Diabetes, Omega 3 Fatty Acids
- Trial name
- O3RETINA (NCT07255326)
- Testing
- Omega 3 Fish Oil supplements
- Where
- Pakistan
- Volunteers
- 70 people
- Sponsor
- University of Faisalabad
Diabetes Mellitus, Diabetic Retinopathy
Study to Evaluate the Effectiveness of a Program Developed to Improve Eye Care for Veterans With Diabetes
The study's primary objective is to determine whether the PRSS improves the optimal timing of photocoagulation in diabetic patients in VA.
- Trial name
- NCT00119535
- Testing
- Implementation of Proactive Diabetes Eye Care Program
- Where
- 3 sites in United States
- Volunteers
- 2,000 people
- Sponsor
- US Department of Veterans Affairs
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
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
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
Induced Defocus to the Retina
Defocus Induced Changes on Choroidal Thickness
The goals of this study are to assess the short-term (10-60 minutes) effects of different magnitudes of myopic and hyperopic optical defocus on the transient thickness of the choroid in children and adults, as well as to assess…
- Trial name
- NCT03954886
- Testing
- Plus powered optical lens
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Houston
Retinitis Pigmentosa
A Phase 3 Study Of OCU400 Gene Therapy for the Treatment Of Retinitis Pigmentosa
This is a Phase 3 study to Assess the Efficacy, Safety and Tolerability of OCU400 in patients with retinitis pigmentosa (RP) associated with RHO mutations and patients with any other RP associated mutation with a clinical…
- Trial name
- liMeliGhT (NCT06388200)
- Testing
- Sub-Retinal Administration of OCU400-301
- Where
- 17 sites in United States, Canada
- Volunteers
- 140 people
- Sponsor
- Ocugen
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
Cataract, Diabetic Retinopathy
Diabetic Retinopathy and OCT-A Changes Post-cataract Surgery
The purpose of this study is to use optical coherence tomography angiography (OCT-A) to compare retinal vasculature after uncomplicated cataract surgery in patients with and without diabetic retinopathy.
- Conditions
- Cataract, Diabetic Retinopathy, Macular Edema Due to Diabetes Mellitus
- Trial name
- NCT04660006
- Testing
- Cataract surgery
- Where
- Canada
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Uptown Eye Specialists
Retinal Dystrophies, Color Vision Defects
Natural History Study of Inherited Retinal Diseases
This prospective, observational investigation seeks to delineate the interplay between chromatic vision deficits and both functional visual outcomes and anatomical retinal biomarkers in individuals affected by Inherited Retinal…
- Conditions
- Retinal Dystrophies, Color Vision Defects, Vision Disorders, Macular Degeneration
- Trial name
- MojiLVCDT (NCT07085533)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Zhongmou Therapeutics
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
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
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
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
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
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
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)
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