Clinical trials: Macular Holes
Macular Holes
Clinical Research on the Effect of Different Extents of Internal Limiting Membrane Peeling on Macular Hole Closure and Visual Acuity
Observing and describing the surgical effects of different extents of internal limiting membrane peeling combined with internal limiting membrane insertion for macular hole
- Trial name
- NCT03805763
- Testing
- Large extent of ILM Peeling, Small extent of ILM Peeling
- Volunteers
- 60 people
- Sponsor
- Wenzhou Medical University
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
Macular Holes, High Myopia
Effects of Macular Buckle Versus Vitrectomy on Macular Hole and Macular Detachment in Highly Myopic Eyes
Full-thickness macular Hole associated with macular detachment is a one of the maculopathies of high myopia. There is controversy in the primary treatment for this situation.
- Conditions
- Macular Holes, High Myopia, Macular Detachment
- Trial name
- NCT03433547
- Testing
- Buckle, Vitrectomy, Limbal paracentesis
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Sun Yat-sen University
Retinal Detachment, Full Thickness Macular Hole
Inflammasomes in Cell Death in FTMH, ERM, and RRD
Prospective study evaluating the role of inflammasomes in cell death in retinal detachment, full thickness macular hole, and epiretinal membrane.
- Conditions
- Retinal Detachment, Full Thickness Macular Hole, Epiretinal Membrane
- Trial name
- NCT03332758
- Testing
- Pars plana vitrectomy, External drainage
- Where
- United States
- Volunteers
- 41 people
- Sponsor
- Allen C. Ho, MD
Macular Hole
Objective Evaluation of Postoperative Positioning in Macular Hole Surgery
The macular hole formation takes place in the centre of the retina. A closure of the macular hole is believed to take place if the central retinal area is kept dry in the postoperative period.
- Trial name
- NCT02295943
- Testing
- Positioning measuring device
- Where
- 4 sites in Norway
- Volunteers
- 205 people
- Sponsor
- Helse Stavanger HF
Proliferative Diabetic Retinopathy, Macular Holes
Macular Hole After Diabetic Vitrectomy
To present the clinical characteristics and rational treatment of macular hole (MH) after the diabetic vitrectomy (DV) in patients with proliferative diabetic retinopathy (PDR).
- Trial name
- NCT03525899
- Testing
- Pars plana vitrectomy
- Where
- Taiwan
- Volunteers
- 7 people
- Sponsor
- National Taiwan University Hospital
Macular Holes, Retinal Detachment
A Study of a New Surgical Treatment of Macular Hole Retinal Detachment in High Myopia
This study evaluates the surgical outcomes of inverted internal limiting membrane insertion combined with air tamponade in the treatment of macular hole retinal detachment (MHRD) in high myopia, and also to compare the treatment…
- Conditions
- Macular Holes, Retinal Detachment, High Myopia
- Trial name
- NCT03383731
- Testing
- Group 1, Group 2
- Where
- China
- Volunteers
- 38 people
- Sponsor
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
Epiretinal Membrane, Macular Hole
Applicability of the Acai Fruit (Euterpe Oleracea) Dye for Chromovitrectomy in Humans
Our research group tested the toxicity of different dye concentrations extracted from the acai fruit using a rabbit model. The dye extracted from the acai fruit in concentrations of 10% and 25% was found to be safe for…
- Conditions
- Epiretinal Membrane, Macular Hole, Diabetic Retinopathy
- Trial name
- NCT02691429
- Testing
- Acai dye 10%
- Where
- Brazil
- Volunteers
- 24 people
- Sponsor
- Federal University of São Paulo
High Myopia, Macular Holes
High Myopia Macular Hole and Retinal Detachment Treated With Double ILM Flaps
From July 2015 to December 2015, clinical record of 8 consecutive cases of macular hole with retinal detachment in high myopia treated with combined inverted and free ILM flap insertion into the hole were retrospectively…
- Conditions
- High Myopia, Macular Holes, Retinal Detachment
- Trial name
- NCT03174639
- Testing
- Inverted and free ILM insertion
- Volunteers
- 8 people
- Sponsor
- National Taiwan University Hospital
Age-Related Macular Degeneration, Geographic Atrophy
Evaluation of the Precision of the Microperimetry Function of the Spectral OCT/SLO
To conduct a precision study to assess the microperimetry function of the Spectral OCT/SLO. The study will assess variability across measurements taken by three different operator-device configuration across clinical sites…
- Conditions
- Age-Related Macular Degeneration, Geographic Atrophy, Diabetic Retinopathy, Macular Edema
- Trial name
- NCT01692938
- Where
- 3 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
Proliferative Diabetic Retinopathy, Macular Degeneration
Analysis of Aqueous and Vitreous Humor
Clinical Retina research studies often collect aqueous samples in hopes of estimating levels of drug or cytokines in the vitreous. Little is known about how well vitreous and aqueous correlate.
- Conditions
- Proliferative Diabetic Retinopathy, Macular Degeneration, Macular Hole, Neovascular Glaucoma
- Trial name
- ARK (NCT02067013)
- Testing
- Ranibizumab, No Ranibizumab
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- California Retina Consultants
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
Macular Hole Retinal Detachment
Inverted Internal Limiting Membrane Flap Technique for Macular Hole Retinal Detachment in Highly Myopic Eyes
To evaluate efficacy of vitrectomy with inverted internal limiting membrane (ILM) flap technique for macular hole retinal detachment (MHRD) in highly myopic eyes, and to demonstrate postoperative clinical course of MHRD after…
- Trial name
- NCT02896972
- Testing
- Vitrectomy
- Volunteers
- 32 people
- Sponsor
- Kyorin University
Macular Holes
Air Tamponade in Macular Holes < 400 μm
Macular hole is a hole formation which takes place in the center of the retina. Such a hole needs surgical steps in order to close. Closure of the macular hole will lead to a substantially improvement of vision in most cases.
- Trial name
- NCT02028481
- Testing
- Postoperative air tamponade
- Where
- Norway
- Volunteers
- 13 people
- Sponsor
- Helse Stavanger HF
Macular Hole
Effects of Different Area of Internal Limiting Membrane Peeling (ILM) Peeling on Anatomical Outcomes in Macular Hole Surgery
The purpose of this study is to determine the effects of two different internal limiting membrane (ILM) peeling area on anatomical closure outcomes after macular hole surgery measured by optical coherence tomography (OCT).
- Trial name
- NCT02930369
- Testing
- ILM peeling surgery
- Volunteers
- 128 people
- Sponsor
- Peking University People's Hospital
Idiopathic Macular Hole
Outcome of Surgery for Idiopathic Macular Holes
Retrospective medical chart review of patients undergoing surgical repair of idiopathic macular hole
- Trial name
- TROMAC (NCT02895594)
- Volunteers
- 59 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Macular Holes, Visual Acuity Gain
Impact of C3F8 or SF6 Use and Length of Face-down Positioning (7 vs 14 Days Respectively) in Macular Hole Surgery
The primary purpose of the study was to compare the macular hole closure and visual acuity gain following vitrectomy using SF6 gas tamponade with 7 days of face-down positioning versus C3F8 gas tamponade with 14 days of face-down…
- Conditions
- Macular Holes, Visual Acuity Gain, Cataract, Complications
- Trial name
- NCT02073266
- Testing
- Macular hole surgery using a 25 G pars plana vitrectomy, ILM peeling, fluid-air exchange followed by air-gas exchange with SF6 or C3F8.
- Where
- Canada
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- CHU de Quebec-Universite Laval
Idiopathic Macular Hole
Unveiling Preclinical Idiopathic Macular Hole Formation
A macular hole is a rupture in the macula. In terms of pathogenesis, as much as 80% are idiopathic (Idiopathic Macular Hole, IMH).
- Trial name
- IMH_2012 (NCT02180633)
- Testing
- Optical Coherence Tomography Scan
- Where
- 7 sites in Portugal
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Coimbra
Macular Hole, Epiretinal Membrane
Optical Coherence Tomography - Rescan During Dissection of Macular Membranes
In our study , the investigators will use the microscope with OCT ( Lumera with RESCAN OCT ) coupled to assess the extent , depth and change of retinal architecture in the perioperative period .
- Conditions
- Macular Hole, Epiretinal Membrane, Traction Syndrome Vitreomacular, Proliferative Vitreoretinopathy
- Trial name
- NCT02748421
- Testing
- Lumera Microscope with OCT RESCAN, Conventional Microscope
- Volunteers
- 30 people
- Sponsor
- Federal University of São Paulo
Epiretinal Membrane, Macular Hole
Association of Lutein, Zeaxanthin and Brilliant Blue in Chromovitrectomy
The aim of this study is to test the efficacy of the combination of dye Lutein, Zeaxanthin and brilliant blue to stain the internal limiting membrane as well as the epiretinal membranes during the Vitrectomy surgery.
- Conditions
- Epiretinal Membrane, Macular Hole, Proliferative Diabetic Retinopathy
- Trial name
- NCT01627977
- Testing
- Dye of Lutein, Zeaxanthin and Brilliant Blue
- Where
- Brazil
- Volunteers
- 18 people
- Sponsor
- Federal University of São Paulo