Clinical trials: Vitreous Disorder
Glaucoma, Macular Pucker
Prospective Retinal and Optic Nerve Vitrectomy Evaluation (PROVE) Study
Since the introduction of vitrectomy in 1971, this procedure has become the third most frequently performed ophthalmic surgery. Approximately 225,000 vitrectomies are performed annually in the United States and indications…
- Conditions
- Glaucoma, Macular Pucker, Macula Hole, Vitreomacular Traction
- Trial name
- PROVE (NCT01162356)
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Vitreomacular Adhesion
Prevalence of Vitreomacular Adhesion in Patients 40 Years and Older
The purpose of this study is to evaluate the prevalence of vitreomacular adhesion (VMA) in patients 40 years and older using Spectral Domain Optical Coherence Tomography.
- Trial name
- VAST (NCT02160340)
- Where
- 18 sites in United States
- Volunteers
- 1,584 people, healthy volunteers welcome
- Sponsor
- Nova Southeastern University
Macular Edema, Cystoid, Uveitis
Vascular Endothelial Growth Factor (VEGF) in Uveitis
This study will look for the presence in blood of a substance called vascular endothelial growth factor (VEGF) in patients with uveitis (eye inflammation).
- Trial name
- NCT00001738
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Anterior Uveitis (AU), Birdshot Chorioretinitis
Quantification & Classification of Inflammatory Cells in Uveitis Using OCT
The goal of this study is to determine if it's possible to use a high resolution imaging device called optical coherence tomography (OCT) to develop an unbiased, standard method of counting and categorizing the various types of…
- Conditions
- Anterior Uveitis (AU), Birdshot Chorioretinitis, Behcet Disease, Herpes Simplex Virus
- Trial name
- NCT07065747
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Vitreous Detachment
Comparison of Propofol Target Controlled Infusion (TCI) and Sevoflurane
This study was an experimental, single-blinded, randomized controlled trial that aimed to compare recovery time between TCI propofol and sevoflurane.
- Trial name
- NCT04865991
- Testing
- TCI Propofol, Sevoflurane
- Where
- Indonesia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Cataract, Corneal Disease
Influence of Pupillary Behavior During Eye Surgery on Morphological and Functional Outcome
Pupillary movement during eye surgery can be a challenge for eye surgeons. Despite the risk of intraocular lens damage and malpositioning due to mechanical manipulation1, iris manipulation may lead to a significant elevation of…
- Conditions
- Cataract, Corneal Disease, Vitreous Disorder
- Trial name
- NCT06160960
- Testing
- OCT Scan, Video of pupil movement, video of toric lens
- Where
- Austria
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Klinikum Klagenfurt am Wörthersee
Cataract, Vitreous Hemorrhage
Study on Eye-Brain Cross-Organ Mapping and Systemic Disease Association Based on Multimodal Big Data
This project integrates multimodal eye data (CFP, OCT, OCTA) from 50,000 cases, brain MR data from 150,000 cases, and ICD diagnoses, medical orders, and test results from an eye-brain paired cohort of 8,000 cases to construct an…
- Conditions
- Cataract, Vitreous Hemorrhage, Diabetic Eye Diseases, Cerebral Small Vessel Disease
- Trial name
- NCT07541651
- Testing
- No interventions were involved in this study.
- Volunteers
- 208,000 people, healthy volunteers welcome
- Sponsor
- Beijing Friendship Hospital
Posterior Vitreous Detachment, Diabetic Retinopathy
Annular Array Ultrasound in Ophthalmology
The objective of this research is to improve the care of ocular disease and disorders, in particular the changes in the eye associated with diabetes, by providing clinicians with dramatically improved ultrasonic images of the…
- Trial name
- NCT01415037
- Testing
- annular array ultrasound exam
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Columbia University
Ocular Inflammation
PGE2 Levels in Patient Treated With NSAIDs
The aim of this study is to determine vitreous levels of nonsteroidal antinflammatory drugs (NSAIDs) and prostaglandinE2 (PGE2) in eyes scheduled for vitrectomy. All patients received the study drugs for 3 days before surgery.
- Trial name
- NCT03597867
- Testing
- Dicloftil, Nevanac, Indom
- Where
- Italy
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- University of Trieste
Posterior Vitreous Detachment, Vitreomacular Traction
Vitreopapillary Interface and Optic Disc Morphology
The vitreous fills the posterior chamber of the eye and is firmly attached, at the posterior pole, to the macula and the optic nerve head (ONH).
- Conditions
- Posterior Vitreous Detachment, Vitreomacular Traction, Glaucoma, Vitreopapillary Traction
- Trial name
- NCT02290795
- Testing
- OCT imaging/HRT imaging
- Where
- Belgium
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Macular Holes, Intraocular Lens Opacification
Oral Sedation in Vitreoretinal Surgery
The purpose of this study is to compare the efficacy of oral sedation to intravenous sedation with anesthesiology support and monitoring.
- Conditions
- Macular Holes, Intraocular Lens Opacification, Vitrectomy, Vitreous Hemorrhage
- Trial name
- NCT04346095
- Testing
- Oral Sedatives with or Without Analgesia, Intravenous Sedatives with or Without Analgesia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Rocky Vista University, LLC
Abnormal Vitreous Humor Morphology, Abnormal Choroid Morphology
Accuracy of the Red Reflex Test in the Pediatric Population
This study is designed to investigate the sensitivity and specificity of the Red Reflex Test (RRT), with and without dilation, for early detection of ocular abnormalities in children and newborns.
- Conditions
- Abnormal Vitreous Humor Morphology, Abnormal Choroid Morphology, Optic Nerve Diseases, Retinal Disease
- Trial name
- NCT04125043
- Testing
- Direct ophthalmoscope
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Children's National Research Institute
Eye Diseases, Ophthalmic Trauma
Mitochondrial DNA in Vitreous Fluid and Blood in Patients With Eye Disease or Ocular Trauma.
This study is to characterize mitochondrial DNA (mtDNA) populations in adults with eye injuries and eye diseases. The eye exam is often hindered by the clouding of tissues involved in injury or disease.
- Conditions
- Eye Diseases, Ophthalmic Trauma, Mitochondrial DNA, Age Related Macular Degeneration
- Trial name
- NCT04334499
- Testing
- Sample collection from tissue discard
- Volunteers
- healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Choroidal Neovascularization
Evaluation of the Effect of Vitreous Composition Determined by Ultrasound and Optical Coherence Tomography (OCT) on Ranibizumab Therapy
The primary objective: *To measure the difference in the number of Ranibizumab therapies needed in 12 months in the Posterior Vitreous Detachment (PVD) positive and Posterior Vitreous Detachment (PVD) negative group.
- Trial name
- PVD (NCT01256632)
- Testing
- Ranibizumab
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Vision Research Foundation
Visual Snow Syndrome, Migraine
Investigating Brain Function in People With and Without Visual Snow Syndrome Using Adaptation to Visual Stimuli
The goal of this study is to learn more about the brain pathways and activity involved in creating Visual Snow Syndrome (VSS). The main questions it aims to answer are: Does VSS arise from spontaneous activity in brain pathways?…
- Conditions
- Visual Snow Syndrome, Migraine, Healthy
- Trial name
- VPVSS (NCT06961864)
- Testing
- Visual Adaptation, Assessments and Questionnaires, Functional Magnetic Resonance Imaging (fMRI)
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Posterior Vitreous Detachment
High-frequency-ultrasound Annular Arrays for Ophthalmic Imaging
The objective of this research is to improve the care of ocular disease and disorders, in particular the changes in the eye associated with diabetes, by providing clinicians with dramatically improved ultrasonic images of the…
- Trial name
- NCT00633854
- Testing
- Ultrasound examination
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Posterior Vitreous Detachment
The Incidence of Complete Posterior Vitreous Degeneration After Phacoemulsification
Intraocular surgery could induce vitreous degeneration and then abnormal posterior vitreous detachment (PVD) could occur including vitreoschisis and partial-thickness PVD.
- Trial name
- NCT04727398
- Testing
- Wide-field optical coherence tomography (Optovue®)
- Where
- Thailand
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
Proliferative Diabetic Retinopathy
Endolaserless Vitrectomy With Intravitreal IAI for PDR-Related VH
This is a phase I/II open label, randomized, interventional clinical trial. Study eyes will receive one preoperative intravitreal aflibercept injection (IAI) <21 days but >7 days prior to vitrectomy and one intraoperative IAI at…
- Trial name
- LASERLESS (NCT02976012)
- Testing
- Aflibercept, Endolaserless Vitrectomy
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Southeast Retina Center, Georgia
Primary Angle-Closure Glaucoma
Vitreous Zonule in Primary Angle-Closure Glaucoma
This study aims to investigate the role of the vitreous zonule (VZ) in the pathogenesis of primary angle-closure glaucoma (PACG) and to explore the feasibility of three-dimensional ultrasound biomicroscopy (3D-UBM) for imaging…
- Trial name
- NCT07523139
- Where
- China
- Volunteers
- 440 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital