Clinical trials: Eye Disorders
Metabolomics; Retinopathy; Etiology
Study on the Pathogenesis of Retinal Vascular Diseases Based on Body Fluid Metabolomics
Through the analysis of metabolites in body fluids (intraocular fluid, plasma) of patients with retinal vascular diseases (retinal vein occlusion, diabetic retinopathy), the possible pathogenesis of retinal vein occlusion was…
- Trial name
- NCT06408571
- Testing
- etiology
- Where
- China
- Volunteers
- 3,900 people, healthy volunteers welcome
- Sponsor
- Zhongnan Hospital
Cataract, Ultrasound Therapy; Complications
Ultrasonic System for Cataract Characterization and Optimal Phacoemulsification Energy Evaluation
This study aims to assess the performance of an ultrasonic system for automatic classification of cataract type and severity, as well as the estimation of the optimal phacoemulsification energy.
- Trial name
- CATARCTUS (NCT04461912)
- Testing
- Eye Scan Ultrasound System (ESUS)
- Where
- Portugal
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Coimbra
Sarcoma, Endocrine Tumors
Comprehensive Omics Analysis of Pediatric and Adult Solid Tumors and Establishment of a Repository for Related Biological Studies
Background: Laboratory investigators who are studying common childhood cancers are interested in developing a tissue repository to collect and store blood, serum, tissue, urine, or tumors of children who have cancer or adults who…
- Conditions
- Sarcoma, Endocrine Tumors, Neuroblastoma, Retinoblastoma
- Trial name
- NCT01109394
- Where
- 5 sites in United States
- Volunteers
- 6,035 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Dry Eye Disease
Exploratory Study Comparing Signs and Symptoms in Patients With Ocular Hypertension or Glaucoma Using Xalatan R® or Travatan Z®
The purpose of this study is to determine if there is a difference in the ocular signs and symptoms of subjects' eyes using Xalatan® 0.005% versus Travatan Z® 0.004% based on the outcome of subject assessment and clinical…
- Trial name
- NCT00799682
- Testing
- Xalatan, Travatan Z
- Where
- 5 sites in United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Ophthalmic Consultants of Long Island
Hyperopia
Enhancement of Emmetropization in Highly Hyperopic Infants
Infants do not usually wear glasses because they usually do not need them to see clearly. Most infants are born with a moderate amount of farsightedness.
- Trial name
- NCT03669146
- Testing
- Glasses
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Donald O Mutti, OD, PhD
Graft Versus Host Disease in Eye, Ocular Complications
Ocular Complications From Cancer Therapy - Patient Registry and Biobank
The purpose of this study is to collect data on patients seen at University of Maryland after undergoing cancer therapy. Previous medications, ocular history, medical history, clinical evaluations, surgical procedures and…
- Conditions
- Graft Versus Host Disease in Eye, Ocular Complications, Inflammatory Dry Eye Disease
- Trial name
- NCT06874283
- Testing
- Eye exam
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Primary Open Angle Glaucoma, Secondary Open Angle Glaucoma Due to PEX
Contrast Sensitivity in Glaucoma
The primary aim of the Erlangen´s Glaucoma Contrast Sensitivity-Study (EGCS-Study) is the evaluation of the diagnostic and prognostic validity of a diagnostic procedure, measuring contrast sensitivity.
- Trial name
- NCT00947869
- Where
- Germany
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg
Glaucoma
Short Term Comparative Study of Xalatan With Benzalkonium Chloride vs. Travatan Z Without Benzalkonium Chloride in Healthy Volunteers
Compare the effect of Xalatan with benzalkonium chloride on the ocular surface to those effects observed with Travatan Z without benzalkonium chloride after a single dose
- Trial name
- NCT00468988
- Testing
- Travatan® Z, Xalatan®
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Ocular Hypertension, Primary Glaucoma
Effects of Latanoprost, Bimatoprost and Travoprost in Patients With Latanoprost-resistant Glaucoma
Intraocular pressure (IOP) is considered to be the main risk factor for progression of glaucoma and therefore the main target of therapy.
- Trial name
- NCT01361841
- Testing
- Latanoprost, bimatoprost, travoprost, travoprost, latanoprost and bimatoprost
- Where
- Canada
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- Centre de recherche du Centre hospitalier universitaire de Sherbrooke
Parkinson's Disease, Multiple System Atrophy
Magnetic Resonance Imaging in the Diagnosis of Parkinsonian Syndromes
Parkinsonian syndrome is clinically characterized by the presence of resting tremor, rigidity, bradykinesia and postural instability.
- Conditions
- Parkinson's Disease, Multiple System Atrophy, Progressive Supranuclear Palsy, Vascular Parkinsonism
- Trial name
- PARKIMAGE (NCT02445469)
- Testing
- MRI exam of the brain
- Where
- France
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Eye Manifestations
Intraoperative OCT Guidance of Intraocular Surgery
The purpose of this study is to investigate the use of optical coherence tomography imaging integrated with an operating microscope (MIOCT) in ophthalmic surgeries.
- Trial name
- MIOCT (NCT01588041)
- Where
- 2 sites in United States
- Volunteers
- 269 people, healthy volunteers welcome
- Sponsor
- Duke University
Intraocular Inflammation
A Comparison of 0.5% Loteprednol Etabonate Versus 1% Prednisolone Acetate Following Cataract Surgery
Patients are routinely given steroid eye drops following cataract surgery. This study will compare 2 approved drops:Loteprednol Etabonate versus Prednisolone Acetate Eye drops used following cataract surgery.
- Trial name
- NCT01384266
- Where
- 2 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Associated Eye Care, Minnesota
Ocular Infection
A Phase 2, Open-Label, Randomized, Parallel Group, Placebo-Controlled, Single-Center Study to Assess Anti-microbial Efficacy and Safety of DCN01 Compared to Unisol® Following Topical Periocular Administration in Healthy Volunteers
This proof-of-concept study evaluates the clinical efficacy and safety of DCN01 in prepping of the periocular region.
- Trial name
- NCT01853722
- Testing
- DCN01, Unisol
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Deacon Biosciences, Inc.
Squint
Lidocaine Gel 2% and Muscle Traction Pain During Squint Surgery in Pediatrics
Assessing the efficacy of lidocaine gel 2% application 10 minutes before surgery on post operative pain and the use of analgesics postoperatively
- Trial name
- NCT04859062
- Testing
- lidocaine gel 2%, control group
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Research Institute of Ophthalmology, Egypt
Refractive Errors
Direct Comparison of SVOne Obtained Refraction to Subjective Manifest Refraction
The purpose of the study is to compare the final glasses prescription based on refraction obtained with SVOne device to the final prescription obtained via subjective manifest refraction.
- Trial name
- NCT03222661
- Testing
- Refraction
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Smart Vision Labs
Amblyopia, Strabismus
Amblyopia and Strabismus Detection Using a Pediatric Vision Scanner
The purpose of this project is to compare the performance of the Pediatric Vision Scanner (PVS) with the Gold Standard Examination to determine the effectiveness of the PVS at detecting amblyopia and strabismus.
- Trial name
- NCT01726842
- Testing
- Pediatric Vision Scanner
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.
Vitamin D Deficiency, Primary Open-angle Glaucoma
Comparison of Vitamin D Status and Vitamin D Receptor Polymorphisms in Patients With High Myopia and Primary Open-angle Glaucoma
Vitamin D deficiency is known to be significantly associated with high myopia. This study investigated the vitamin D status in patients with high myopia and primary open-angle glaucoma, in order to understand the relationship…
- Conditions
- Vitamin D Deficiency, Primary Open-angle Glaucoma, High Myopia, Vitamin D Receptor Polymorphisms
- Trial name
- NCT03021629
- Testing
- Serum levels of 1a, 25-Dihydroxyvitamin D3 were measured by an enzyme-linked immuno-absorbent assay
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Lv Yingjuan
Cataract, Miosis
Nepafenac Versus Ketorolac Eye Drops in Prevention of Intraoperative Miosis During Cataract Surgery
This study aim at determining the efficacy of Nepafenac and Ketorolac in obtaining adequate intraoperative mydriasis and preventing miosis during cataract surgery.
- Trial name
- NCT03851172
- Testing
- Ketorolac Ophthalmic, Nepafenac Ophthalmic, Cyclopentolate Ophthalmic
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Assiut University
Anxiety Level
The Effect Of Relaxation Exercises Before Cataract Surgery on Elderly İndividuals
The aim of this study was to determine the effect of relaxation exercises applied before cataract surgery on the anxiety level of elderly individuals.
- Trial name
- NCT05744141
- Testing
- Relaxation Exercises
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Istanbul University - Cerrahpasa
Glaucoma, Vision Disorder
Virtual Reality for Enhancement of Vision
This project aims to evaluate the use of Virtual Reality (VR) based visual stimulation for the treatment of blindness arising from Glaucoma and other retinal diseases or disorders of the visual system, through regeneration of…
- Trial name
- VR (NCT07071129)
- Testing
- Virtual Reality Stimulation
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Stanford University
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