Clinical trials: Vitrectomy
Endophthalmitis, Endophthalmitis Postoperative
Phacovitrectomy Versus Pars Plana Vitrectomy Alone for Post-Intravitreal Injection Endophthalmitis
This prospective comparative interventional study evaluated the anatomical and visual outcomes of phacovitrectomy versus pars plana vitrectomy (PPV) alone in patients with post-intravitreal injection endophthalmitis.
- Conditions
- Endophthalmitis, Endophthalmitis Postoperative, Intravitreal Injection Patients
- Trial name
- NCT07717944
- Testing
- Phacovitrectomy, Pars plana vitrectomy
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Benha University
Rhegmatogenous Retinal Detachment
Pneumatic Retinopexy Versus Vitrectomy for Retinal Detachment
The purpose of this research study is to compare the outcomes of pneumatic retinopexy with the outcomes of vitrectomy (with or without scleral buckle) for the management of retinal detachment, in terms of anatomical success…
- Trial name
- NCT01639209
- Testing
- Vitrectomy, Pneumatic retinopexy
- Where
- Canada
- Volunteers
- 176 people
- Sponsor
- Unity Health Toronto
Macular Holes
Evaluation of Anatomic and Visual Outcomes of Initially Closed Macular Holes
To evaluate the anatomic and visual outcomes in patients with initially closed macular holes after vitreoretinal surgery and with one to seven years of follow-up.
- Trial name
- NCT01229657
- Where
- China
- Volunteers
- 79 people
- Sponsor
- Sun Yat-sen University
Retinal Detachment, Vitrectomy
Functional and Morphological Results of Rhegmatogenous Retinal Detachment Treated With Vitrectomy
To examine morphological and functional results after pars plana vitrectomy (PPV) with SF6 gas tamponade due to macula-on and macula-off rhegmatogenous retinal detachment (RRD) during six months of the follow-up.
- Trial name
- NCT03902795
- Testing
- Microperimetry, M-charts
- Where
- Poland
- Volunteers
- 62 people
- Sponsor
- Medical University of Lublin
Pediatric Rhegmatogenous Retinal Detachment
Outcomes of Vitrectomy in Pediatric Retinal Detachment With Proliferative Vitreoretinopathy
The aim of this study is to report outcomes of pars plana vitrectomy (PPV) in pediatric retinal detachment (RD) accompanied with proliferative vitreoretinopathy (PVR) as well as complications and factors influencing the final…
- Trial name
- NCT03208205
- Testing
- vitrectomy
- Where
- Poland
- Volunteers
- 14 people
- Sponsor
- Medical University of Lublin
Epiretinal Membrane
Phacoemulsification and 25 Gauge (25G) Vitrectomy Versus Phacoemulsification Only in Idiopathic Epiretinal Membranes
The purpose of the study is to evaluate the difference in Early Treatment Diabetic Retinopathy Study (ETDRS) visual acuity, oct retinal thickness and microperimetry in 2 groups of 30 eyes each affected by idiopathic epiretinal…
- Trial name
- NCT01771939
- Testing
- 25-G vitrectomy and phacoemulsification, phacoemulsification (cataract surgery)
- Where
- Italy
- Volunteers
- 60 people
- Sponsor
- University of Turin, Italy
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
Retinal Detachment, Vitrectomy
Comparative Study of 1000 Centistoke Versus 5000 Centistoke Silicone Oil for Repair of Complex Retinal Detachments
The purpose of this study is to assess the retinal redetachment rates with 1000 centistoke versus 5000 centistoke silicone oil tamponade for repair of complex retinal detachments.
- Conditions
- Retinal Detachment, Vitrectomy, Proliferative Vitreoretinopathy, Diabetic Retinopathy
- Trial name
- NCT01255293
- Testing
- 1000 centistoke silicone oil, 5000 centistoke silicone oil
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Mid Atlantic Retina
Proliferative Diabetic Retinopathy, Vitrectomy
Observation of the Efficacy of Different Vitrectomy Systems to Treat Proliferative Diabetic Retinopathy
In recent years, vitrectomy has moved toward a minimally invasive vitrectomy surgery (MIV) system, which could effectively reduce the occurrence of operation complications, while reducing the time of post-operation recovery.
- Trial name
- NCT05446948
- Testing
- beveled 27G+ vitrectomy system, standard 25G+ vitrectomy system
- Where
- China
- Volunteers
- 52 people
- Sponsor
- Tianjin Medical University Eye Hospital
Retinal Disease, Macular Retinoschisis
Pars Plana Vitrectomy Alone in the Treatment of Macular Schisis in High Myopic Eyes
High myopic schisis (HMF) has the clinical feature of separation between retinal layers. It is sometimes accompanied with foveal retinal detachment, macular lamellar hole, epiretinal membrane and vitreous retraction.
- Trial name
- NCT03586193
- Testing
- Pars plana vitrectomy
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Aier School of Ophthalmology, Central South University
Epiretinal Membrane, Macular Edema
Dexamethasone Intravitreal Implant After Vitrectomy For Epiretinal Membrane
The purpose of this study is to evaluate the effect of dexamethasone intravitreal implant (Ozurdex) in combination with pars plana vitrectomy and membrane peeling for idiopathic epiretinal membrane (ERM).
- Trial name
- OZURDEX2 (NCT01410201)
- Testing
- Dexamethasone Intravitreal Implant
- Where
- 3 sites in United States
- Volunteers
- 6 people
- Sponsor
- Barnes Retina Institute
Retinal Detachment
Scleral Self-indentation Chandelier-assisted Peripheral Vitrectomy Under Air Rhegmatogenous Retinal Detachment.
The investigators compared the incidence of trimming-induced retinal breaks, retinal redetachment rate, and final LogMAR BCVA; between scleral self-indentation and non-indentation during chandelier-assisted peripheral vitrectomy…
- Trial name
- NCT03218371
- Testing
- chandelier-assisted peripheral vitrectomy under air
- Where
- Egypt
- Volunteers
- 130 people
- Sponsor
- Dar El Oyoun Hospital
Glaucoma
Anterior Segment Changes After Pars Plana Vitrectomy With SO Using AS-OCT
To evaluate changes in ACA induced by pars plana vitrectomy with SO 1000cs injection in vitreo-retinal surgery in phakic eyes using AS-OCT and changes in the IOP preoperatively, post-operatively and post-silicone oil evacuation.
- Trial name
- NCT06524661
- Testing
- AS-OCT after vitrectomy
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Minia University
Sarcoidosis-associated Ocular Inflammation
Diagnostic Yield of Vitreous Biopsy in Sarcoid Uveitis
The usefulness of diagnostic vitrectomy in patients with suspected sarcoidosis with posterior segment involvement (in whom a diagnosis cannot be determined by conventional methods) has not been well described.
- Trial name
- NCT00609687
- Testing
- Diagnostic Vitrectomy
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- Duke University
Ophthalmopathy
Autologous Blood for Full-thickness Macular Hole
Autologous blood for primary and recurrent holes
- Trial name
- NCT05494229
- Testing
- Pars-plana vitrectomy
- Where
- Iraq
- Volunteers
- 5 people
- Sponsor
- Omer Othman Abdullah
Corneal Epithelial Defect
The Role of Umbilical Cord Serum Therapy on Improvement of Corneal Epithelial Defect Following Diabetic Vitrectomy
80 diabetic patients underwent vitrectomy and had no history of Eye herpes infection, Refractive surgery, Autoimmune disease, Immune deficiency will be randomized into two groups (double blind)to evaluate the role of umbilical…
- Trial name
- NCT01168375
- Testing
- conventional therapy plus umbilical cord serum eye drop, conventional therapy
- Where
- Iran
- Sponsor
- Shahid Beheshti University of Medical Sciences
Retinal Detachment
Correlation Between OCT and mFERG Findings With VA After Vitrectomy Surgery for Retinal Detachment
Correlation between optical coherence tomography and multifocal electroretinogram findings with visual acuity after vitrectomy surgery for Retinal detachment.
- Trial name
- NCT05993208
- Testing
- optical coherence tomography,multifocal electroretinogram. VA measurment
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- New Valley University
Proliferative Diabetic Retinopathy
Compliance to Ophthalmic Follow-up Examinations and Surgical Outcome for Proliferative Diabetic Retinopathy
The relationship between the surgical outcome of vitreous surgery for proliferative diabetic retinopathy and the compliance to ophthalmic follow-up examinations was evaluated.
- Trial name
- NCT01307072
- Testing
- Vitrectomy
- Where
- Japan
- Volunteers
- 94 people
- Sponsor
- Kyorin University
Trematode Induced Granulomatous Uveitis
Vitrectomy Versus Suprachoroidal Steroid in Trematodal Granulomatous Uveitis
Presumed trematode-induced granulomatous intermediate uveitis (PTIGIU) presents with vitritis and complicated cataract (active stage) which, if left untreated, progresses to tractional retinal detachment (TRD) from the…
- Trial name
- NCT07105072
- Testing
- Vitrectomy
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Minia University
Pediatric Cataract, Congenital Cataract
New Technique in Congenital/Pediatric Cataract Surgery
In pediatric/congenital cataract surgery; multiple surgical interventions are performed, which needs multiple general anesthesias. Here, we describe a new technique, to end the operation in one session.
- Trial name
- NCT05278936
- Testing
- The cataract surgery and the anterior vitrectomy
- Where
- Iraq
- Volunteers
- 52 people
- Sponsor
- Omer Othman Abdullah