Clinical trials: Retinal Function
Pediatric Retinoblastoma, Retinoblastoma
Determining Whether Multiple Anesthesia Exposures Affect Cognitive Function for Retinoblastoma Patients
The purpose of this study is to see if there is a difference between the development of the brain (neurodevelopment) in children who have been treated for retinoblastoma with multiple anesthetic exposures, compared with brain…
- Trial name
- NCT03546387
- Testing
- Wechsler Intelligence Scale for Children, Fifth Edition (WISC-V), California Verbal Learning Test, Children's Version, Beery Developmental Test of Visual Motor Integration, 6th edition
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Neovascular Age-related Macular Degeneration
Development of an Optimal Algorithm for the Management of Patients With Retinal Pigment Epithelium Detachment in Neovascular Age-related Macular Degeneration Using Artificial Intelligence
The study involves the development of an algorithm for predicting anatomical and functional results of therapy with angiogenesis inhibitors in patients with retinal pigment epithelium detachments in neovascular age-related…
- Trial name
- NCT05208931
- Testing
- Anti-vascular endothelial growth factor therapy
- Where
- Russia
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- The S.N. Fyodorov Eye Microsurgery State Institution
Macular Holes, Microperymetry
The Application of M-charts and Microperimetry for the Assessment of Visual Function in Patients After Vitrectomy Due to the Full Thickness Macular Hole.
To examine the relationship between morphological and functional results in eyes after vitrectomy due to the full thickness macular hole (FTMH).
- Conditions
- Macular Holes, Microperymetry, Vitrectomy, M-charts
- Trial name
- NCT03701542
- Testing
- Microperymetry, M-charts
- Volunteers
- 22 people
- Sponsor
- Medical University of Lublin
Balance Disorders, Accidental Falls
Population Cohort Set-up for the Epidemiological Assessment of Balance Disorders in Elderly People
As people age, it becomes more common to experience balance problems. These issues can increase the risk of falling, which may lead to serious health consequences and loss of independence.
- Conditions
- Balance Disorders, Accidental Falls, Frailty, Aging
- Trial name
- EPIBAS (NCT06965660)
- Where
- Spain
- Volunteers
- 1,300 people, healthy volunteers welcome
- Sponsor
- Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina
Sexual Desire
Effects of Glucagon-like-Peptide-1 Analogues on Sexuality
This study is to investigate the effects of GLP-1 analogues (combined with lifestyle interventions in comparison to lifestyle interventions only) on sexual desire, mood, quality of life, the reproductive axis, retinal vessel…
- Trial name
- Desire PLUS (NCT05598008)
- Where
- Switzerland
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Retinal Detachment
Adaptive Optics in PVR
The purpose of this study is to investigate the loss of retinal cells following retinal detachment surgery using an imaging device called an adaptive optics camera. The retina is a thin layer which lines the back of the eye.
- Trial name
- NCT03551574
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- Moorfields Eye Hospital NHS Foundation Trust
Parkinson's Disease
Retinal Function in Parkinson's Disease
Parkinson's disease (PD) is a neurodegenerative disorder characterized by muscle rigidity, tremor, a slowing of physical movement (bradykinesia) and, in extreme cases, a loss of physical movement.
- Trial name
- NCT01010074
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Retinoblastoma
Effect of Anesthetic Drugs on Neurocognitive Function in Children With Retinoblastoma Requiring Multiple Anesthetic Exposure - Preliminary Study
This study evaluate the effect of dexmedetomidine on intelligence test in pediatric patients with multiple anesthesia exposure. Children who are diagnosed with retinoblastoma and receive first exam under general anesthesia before…
- Trial name
- NCT04700514
- Testing
- Dexmedetomidine
- Where
- South Korea
- Volunteers
- 60 people
- Sponsor
- Seoul National University Hospital
Retinitis Pigmentosa
Effects of Treatment With N- Acetylcysteine on Visual Outcomes in Patients With Retinitis Pigmentosa
Retinitis pigmentosa (RP) is an inherited retinal disease with great heterogeneity. RP comprises a large group of genetic disorders causing progressive loss of vision.
- Trial name
- NCT04864496
- Testing
- Prescribe N-acetylcysteine tablets
- Where
- Iran
- Volunteers
- 30 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
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
Dry AMD, Diabetic Retinopathy (DR)
Microperimetry Changes in Retinal Function in Macular Disorders
The purpose of this study is to measure precisely how sensitive the central part of the retina - the light-sensitive film at the back of the eye, is to light.
- Trial name
- MAIAStud (NCT07170683)
- Testing
- MAIA Microperimetry, Microperimetry, Visual Acuity Measurement (logMAR)
- Where
- United Kingdom
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Age-related Macular Degeneration
Association Between Laser Interferometric Measurement of Fundus Pulsation and Pneumotonometric Measurement of Pulsatile Ocular Blood Flow in Patients With Age-related Macular Degeneration
Several methods have been proposed for the measurement of pulsatile ocular blood flow (POBF). The pneumatic tonometer, which is commercially available, assesses POBF by measurement of intraocular pressure (IOP) changes during the…
- Trial name
- NCT00991666
- Testing
- blood flow measurement
- Where
- Austria
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Diabetic Retinopathy, Diabetic Macular Edema
Diabetic Retinopathy And the Myvisiontrack® (DRAMA) Study
The purpose of this study is to determine the effect of enhancements to the myVisionTrack® in regards to patient compliance and test-retest variability.
- Trial name
- DRAMA (NCT01728883)
- Testing
- Home vision monitoring using myVisionTrack®
- Where
- 2 sites in United States
- Volunteers
- 60 people
- Sponsor
- Vital Art and Science Incorporated
Macula; Degeneration, Congenital or Hereditary, Retina Disorder
Objective Assessment of Macular Function at Retinal and Cortical Levels
Research questions/hypotheses: About 15% of the population over 40 years of age are affected by diseases of the retina. Accurate measurement of the extent of visual field impairment is of highest importance for disease subtype…
- Trial name
- NCT03517241
- Testing
- functional magnetic resonance imaging (fMRI), Microperimetry (MP), Optical coherence tomography (OCT)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Epiretinal Membrane Surgery
Post-surgical Functional Results in Patients With Epiretinal Membrane Undergoing Controlled Macular Detachment
This study aims to evaluate postsurgical functional changes in patients with advanced epiretinal membrane (ERM) (stages 3 and 4) by integrating a controlled macular detachment with a balanced salt solution to the conventional ERM…
- Trial name
- DMER25 (NCT07095907)
- Testing
- Pars plana vitrectomy with epiretinal membrane peeling and controlled macular detachment
- Where
- Mexico
- Volunteers
- 36 people
- Sponsor
- Asociación para Evitar la Ceguera en México
Diabetes Mellitus
Measuring Retinal Vessel Caliber in Relation to Dark Adaptation and Blood Glucose Level
The overall objective is to investigate, whether retinal blood vessel diameter change during the energy consuming dark adaptation process and if responses vary between low and high blood glucose.
- Trial name
- NCT01136902
- Testing
- Oral Glucose Tolerance Test (OGTT)
- Where
- Denmark
- Volunteers
- 14 people
- Sponsor
- Glostrup University Hospital, Copenhagen
Retina, Regional Blood Flow
Effect of Antioxidants on Ocular Blood Flow, Endothelial Function, and Cytokine Levels in LPS Induced Inflammatory Model in Humans.
Oxidative stress, which refers to cellular damage caused by reactive oxygen intermediates, has been implicated in many disease processes, especially age-related disorders.
- Conditions
- Retina, Regional Blood Flow, Endotoxin, Escherichia Coli
- Trial name
- NCT00431691
- Testing
- vitamin and mineral supplement, Escherichia coli Endotoxin (LPS), 100% O2
- Where
- Austria
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Macular Edema, Retinal Vein Occlusion
Functional and Anatomical Outcomes of Dexamethasone Intra-vitreal Implant in Patients with Resistant Macular Edema Secondary to Retinal Vein Occlusion After Intravitreal Anti-VEGF Injection
Retinal vein occlusion (RVO) is one of the most common causes of vision loss due to retinal vascular disease. Incidence of RVO has been raised in the last years due to increased coexisting systemic vascular risk factors as…
- Trial name
- NCT05003258
- Testing
- Intravitreal injection of Dexamethasone implant
- Where
- Egypt
- Volunteers
- 25 people
- Sponsor
- Assiut University
Macular Edema
Diffuse Diabetic Maculopathy With Intravitreal Triamcinolone or Laser
This study compares the use of intravitreous triamcinolone and laser therapy to treat maculopahty in patients with type 2 diabetes mellitus in a short-tem period of 6 months
- Trial name
- NCT00668239
- Testing
- intravitreous triamcinolone, laser therapy
- Where
- 3 sites in Brazil
- Volunteers
- 14 people
- Sponsor
- Hospital de Clinicas de Porto Alegre
Diabetic Retinopathy (DR), Visual Perception
Study on the Recovery of Visual Perceptual Function Dysfunction in Patients With Diabetes
Investigators aim to investigate the effectiveness of visual perceptual learning on visual perceptual function in participants with diabetic retinopathy and to provide novel therapeutic insights for visual functional…
- Trial name
- NCT07095777
- Testing
- visual perceptual learning
- Where
- China
- Volunteers
- 36 people
- Sponsor
- The First Affiliated Hospital of Anhui Medical University