Clinical trials: Vitrectomy
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
Meibomian Gland Dysfunction of Unspecified Eye, Unspecified Eyelid
Analysis of Postoperative Ocular Surface Changes and Intervention Effect After PPV in MGD Dry Eye Patients
AIM: To observe ocular surface changes after phacovitrectomy in patients with mild to moderate meibomian gland dysfunction (MGD)-type dry eye and track clinical treatment response using a Keratograph 5M and a LipiView…
- Trial name
- NCT05771194
- Testing
- Routine preoperative and postoperative anti-infection therapy, artificial tear therapy, Cleaning, hot compresses and massage of the meibomian gland
- Where
- China
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tianjin Medical University Eye Hospital
Cataract Extraction
Microincision Versus Smallincision Combined Surgery
The purpose of this study is to compare refractive outcomes after two different types of combined cataract surgery, namely microinscision cataract surgery and smallincision cataract surgery, and sutureless 23-gauge vitrectomy in…
- Trial name
- NCT01198483
- Testing
- Combined Micro- Surgery, Combined Small-Surgery
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
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
Posterior Synechiae of Iris
Mydriatic Drops After Combined Surgery
The study goal is to evaluate the influence of mydriatic drops on the development of posterior synechia after combined cataract and vitrectomy surgery.
- Trial name
- NCT05614622
- Testing
- Cyclopentolate Hydrochloride 1.0% eye drops
- Where
- Israel
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Rabin Medical Center
Nuclear Sclerotic Cataract
Comparison of Scheimpflug Photos of the Crystalline Lens in Patients Who Have Undergone Vitrectomy Surgery and Controls
Progression of nuclear sclerotic cataract after pars plana vitrectomy has been recognized for many years The mechanism for the rapid progression of nuclear sclerotic cataract remains unclear.
- Trial name
- NCT00406263
- Testing
- Scheimpflug crystalline lens photographs
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Barnes Retina Institute
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
Vitrectomy
Beveled-Tip Versus(vs) Standard-Tip Vitrectomy Probe
The purpose of this study is to compare the efficiency of the new Utravit High-Speed 10000 cpm Beveled Probe to the current standard vitrector probe- Alcon (non-beveled) Ultravit 7500 cpm.
- Trial name
- NCT04076072
- Testing
- Utravit High-Speed 10000 cpm Beveled Probe, standard vitrector probe- Alcon (non-beveled) Ultravit 7500 cpm
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Epiretinal Membrane, Macular Edema
A Pilot Study of the Effectiveness of Intra-operative Ozurdex® in Vitrectomy Surgery for Epiretinal Membranes
To determine if an intravitreal sustained release dexamethasone implant (Ozurdex®) injected at the conclusion of surgery in patients undergoing vitrectomy and membrane peeling for idiopathic epiretinal membranes is safe and…
- Trial name
- NCT01701518
- Testing
- Ozurdex
- Where
- 2 sites in Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Corneal Diseases
Using in Vivo Confocal Microscope to Evaluate the Corneal Wound Healing After Various Ocular Surgeries
Although epi-keratome laser-assisted in situ keratomileusis (Epi-LASIK), penetrating keratoplasty and pars plana vitrectomy with corneal epithelial debridement for diabetic retinopathy are surgeries commonly performed, the…
- Trial name
- NCT00491439
- Where
- Taiwan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Macular Edema
Angiographie and OCT in Macula and Retinal Diseases
The purpose of this study is to investigate the morphological and angiological retinal changes in different macular diseases.
- Trial name
- NCT01603823
- Where
- Austria
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Rhegmatogenous Retinal Detachment of Both Eyes (Diagnosis)
Characters of Epiretinal Membranes in Patients With Previous Vitrectomy for Retinal Detachment
31 patients were included in the study,15 cases with ERM in silicone filled eyes and 16 eyes with idiopathic ERM
- Trial name
- RD (NCT04288440)
- Testing
- Surgery, Vitrectomy machine
- Where
- Egypt
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Tanta University
Retinal Edema
Suprachoroidal Injection of Triamcinolone Acetonide in Resistant Diabetic Macular Edema, CRVO, Pseudophakic Cystoid Macular Edema and Diabetic Macular Edema Following Pars Plana Vitrectomy
Prospective interventional study on 60 eyes of resistant diabetic macular edema and central retinal vein occlusion that will receive suprachoroidal injection of Triamcinolone Acetonide (SCTA).
- Trial name
- Resistant (NCT04690608)
- Testing
- Triamcinolone Acetonide 40Mg/Ml Inj,Susp_#1
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tanta University
Non Proliferative Diabetic Retinopathy(NPDR)
Clinical Study on Prognosis of Patients With Severe NPDR Undergoing Vitrectomy
To investigate the prognosis of retinal structure and function after vitrectomy in patients with severe non-proliferative diabetic retinopathy, to explore the feasibility of vitrectomy in patients with severe non-proliferative…
- Trial name
- NCT05852132
- Testing
- pars plana vitrectomy(PPV), Pars plana vitrectomy(PPV) +Panretinal photocoagulation(PRP), Panretinal photocoagulation(PRP)
- Where
- China
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- Fei Gao
Retinal Diseases
UHR-OCT and HD-OCT for Preretinal Membranes: ICG Versus Membrane Blue
Using the UHR-OCT and HD-OCT to evaluate early postoperative changes in patients with diagnosis preretinal membrane after successfully performed pars-plana vitrectomy and membrane peeling with two different types of dyes.
- Trial name
- NCT00437593
- Testing
- ppVE, MP, ICG, ppVE, MP, MB
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Macular Holes
Clinical Characteristics and Surgical Outcomes of Full-thickness Macular Hole Without Focal Vitreomacular Traction.
This multicenter, retrospective, observational comparative study. We occasionally encounter FTMHs in which PVD has not been achieved and VMT is absent.
- Trial name
- NCT06560710
- Testing
- vitrectimy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- St. Marianna University School of Medicine
Macular Edema, Epiretinal Membrane
Intravitreal Dexamethasone Implant for Persistent Macular Thickening and Edema After Vitrectomy for Epiretinal Membrane
This study seeks to evaluate the effect of the intravitreal 0.7mg dexamethasone implant on central macular thickness and visual acuity in those patients with persistent macular edema after pars plana vitrectomy for epiretinal…
- Conditions
- Macular Edema, Epiretinal Membrane, Vitrectomy
- Trial name
- DEMO (NCT02995746)
- Testing
- Dexamethasone
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Epiretinal Membrane
27-gauge Vitrectomy Wound Integrity: a Prospective, Randomized Trial Comparing Angled Versus Straight Entry
To prospectively compare clinical outcomes using straight (perpendicular) versus angled trocar insertion during 27 gauge pars plana vitrectomy surgery for epiretinal membrane Primary Endpoints: Sclerotomy suture rates and…
- Trial name
- NCT02836210
- Testing
- 27-gauge vitrectomy wound construction
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Diabetes Mellitus, Hypoglycemia
Perioperative Hypoglycemia in Diabetic Patients Undergoing Vitrectomy: a Masked CGM Prospective Observational Study
Patients with diabetes are at increased risk of perioperative glycemic disturbances due to preoperative fasting, the surgical stress response, and the use of insulin or oral hypoglycemic agents.
- Trial name
- NCT07696910
- Testing
- Masked continuous glucose monitoring (FreeStyle Libre 2®)
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Rhegmatogenous Retinal Detachment
Healaflow Patch for the Treatment of Rhegmatogenous Retinal Detachment
To report the surgical results of primary rhegmatogenous retinal detachment (RRD) repaired by 27G pars plana vitrectomy (PPV) combined with Healaflow patch and air tamponade, and do not need prone position postoperation.
- Trial name
- NCT03542162
- Testing
- Healaflow
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Tianjin Medical University Eye Hospital