Clinical trials: Vitrectomy
Macular Holes
Full-Thickness Macular Hole Surgery: A Comparison of Ten Techniques
This study compares ten modern vitreoretinal surgical techniques for full-thickness macular hole repair. Participants will be randomly assigned to one of the surgical approaches during pars plana vitrectomy, using stratified…
- Trial name
- FTMH-10 (NCT07606404)
- Testing
- Pars Plana Vitrectomy (PPV)-Based Macular Hole Surgery, Autologous Platelet-Rich Plasma (PRP), Human Amniotic Membrane (hAM) Graft
- Where
- Kazakhstan
- Volunteers
- 120 people
- Sponsor
- Kazakh Eye Research Institute
Diabetes Mellitus, Diabetic Retinopathy
Intravitreal Long Acting Gas in the Prevention of Early Postoperative Vitreous Hemorrhage in Diabetic Vitrectomy
Recurrent vitreous hemorrhage after vitrectomy for complications of diabetic retinopathy is a common occurrence. The hemorrhage may appear within the first few weeks after surgery or months later.
- Conditions
- Diabetes Mellitus, Diabetic Retinopathy, Vitreous Hemorrhage
- Trial name
- NCT00155454
- Testing
- Intravitreal long acting gas (10% C3F8)
- Where
- Taiwan
- Volunteers
- 61 people
- Sponsor
- National Taiwan University Hospital
Retinal Detachment, Refractive Errors
Refractive Changes Following Vitrectomy
We aimed o compare the refractive changes associated with pars plana vitrectomy with or without intraocular gas tamponade in pseudophakic eyes.
- Conditions
- Retinal Detachment, Refractive Errors, Vitreous Hemorrhage, Epiretinal Membrane
- Trial name
- NCT04712786
- Testing
- pars plana vitrectomy
- Where
- Turkey (Türkiye)
- Volunteers
- 47 people
- Sponsor
- Bursa Retina Eye Hospital
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
Diabetic Retinopathy, Retinal Detachment
Ranibizumab for Diabetic Traction Retinal Detachment
The purpose of this study was to assess the effect of ranibizumab in reducing intraoperative vitreous haemorrhage during pars plana vitrectomy, thus facilitating surgery and improving its anatomical and functional results in…
- Trial name
- RANITRA (NCT01201161)
- Testing
- Ranibizumab
- Where
- Brazil
- Volunteers
- 19 people
- Sponsor
- University of Sao Paulo
Macular Pucker, Macular Cyst
Inner Nuclear Macular Microcyst is a Risk Factor for Macular Cystoid Changes After Phacoemulsification in Eyes With Previous Vitrectomy and Macular Pucker Removal
To evaluate the visual acuity, macular thickness, morphological changes after cataract surgery in eyes with previous vitrectomy for macular pucker. Associated risk factors were also investigated.
- Trial name
- NCT03934190
- Volunteers
- 46 people
- Sponsor
- Changhua Christian Hospital
Retinal Vein Occlusion
Radial Optic Neurotomy in Central Retinal Vein Occlusion : a Randomized Trial
Natural evolution of severe central retinal vein occlusion with low visual acuity is very poor. A randomized clinical trial will compare troxerutin and platelet anti-aggregating agents (drug treatment) versus surgery and drug…
- Trial name
- OVCR (NCT00379223)
- Testing
- vitrectomy with radial optic neurotomy
- Where
- France
- Volunteers
- 7 people
- Sponsor
- University Hospital, Bordeaux