Clinical trials: Ophthalmic Surgery
Trachoma
Modified Instrumentation for Surgery to Correct Trichiasis
Trachoma, an ocular infection caused by C. trachomatis, is the second leading infectious cause of blindness worldwide. Years of repeated infection with C.
- Trial name
- NCT00886015
- Testing
- TT Clamp, Standard BLTR Technique
- Where
- United States
- Volunteers
- 1,927 people
- Sponsor
- Johns Hopkins University
Laparoscopic Training
Simulating Laparoscopy With an Eye Patch
Comparison of laparoscopic training simulator v use of eye patch (to simulate loss of dept perception) to investigate acquisition of laparoscopic skills.
- Trial name
- LapACQ (NCT03407235)
- Testing
- Computerized Laparoscopic Trainer, Box trainer with eye patch
- Where
- 2 sites in United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Cataracts
Clinical Investigation of AcrySof® IQ ReSTOR® +3.0 D Multifocal Toric Intraocular Lens (IOL)
The purpose of this study is to evaluate the safety and effectiveness of an investigational multifocal toric intraocular lens (IOL) compared to an FDA-approved multifocal IOL.
- Trial name
- NCT01424189
- Testing
- AcrySof® IQ ReSTOR® +3.0 D Multifocal Toric IOL, AcrySof® ReSTOR® Multifocal IOL Model SA60D3
- Volunteers
- 677 people
- Sponsor
- Alcon Research
High Myopia, Low Intraocular Pressure
Improved Operation of Low Intraocular Pressure in Phacoemulsification for Patients With High Myopia Complicated With Cataract
Approximately 60 participants at Eye Hospital of Wenzhou Medical University during October,2021 to January 2022 will be enroll in the investigators' study.
- Trial name
- NCT05201677
- Testing
- Supplement of perfusion fluid through the subiris suspensory ligament space from the lateral incision
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Yune Zhao
Cataract and IOL Surgery, Epi-retinal Membrane
Outcomes of Combined Cataract Surgery With Retinal Surgery for Visually Significant Epiretinal Membrane With Vivity Versus Monofocal Intraocular Lens
To investigate the patient Quality of Life and satisfaction outcomes of combined cataract surgery with retinal surgery for visually significant epiretinal membrane in patients receiving Vivity IOL versus standard monofocal…
- Trial name
- NCT07070492
- Testing
- cataract surgery, retinal surgery
- Volunteers
- 36 people
- Sponsor
- Debbie Kuo, MD
Cataract, Ocular Inflammation
Safety and Effectiveness of Drop-free Small Incision Cataract Surgery
This is a randomized control trial comparing the effects of subconjunctival triamcinolone administration during surgery to topical prednisolone drops on the development of post-operative inflammation and macular edema in manual…
- Conditions
- Cataract, Ocular Inflammation, Ocular Hypertension, Post-Op Complication
- Trial name
- NCT05248139
- Testing
- Intraoperative delivery of medication, Kenalog (Triamcinolone), Topical post-operative eyedrops, Prednisolone acetate
- Volunteers
- 100 people
- Sponsor
- Visualiza
Epiretinal Membrane, Macular Hole
UNITY VCS Vitreoretinal Surgery
This purpose of this study is to compare the safety and effectiveness of two eye surgery systems-UNITY VCS and CONSTELLATION-in treating adults with vitreoretinal diseases or disorders.
- Conditions
- Epiretinal Membrane, Macular Hole, Visually Significant Vitreous Floater, Vitreomacular Traction
- Trial name
- NCT07054281
- Testing
- UNITY Vitreoretinal Cataract System (VCS), CONSTELLATION Vision System, Vitreoretinal ophthalmic surgery
- Where
- 8 sites in United States
- Sponsor
- Alcon Research
Primary Open Angle Glaucoma, Open Angle Glaucoma
Safety and Effectiveness of Minimally Invasive Micro Sclerostomy (MIMS®) to Reduce Intraocular Pressure in Open-Angle Glaucoma Which is Not Controlled Despite Polypharmacy
The goal of this clinical trial is to show non-inferiority of the MIMS® device/procedure with Mitomycin-C, in terms of its surgical success rate, compared to trabeculectomy with Mitomycin-C in subjects diagnosed with primary open…
- Trial name
- NCT06313749
- Testing
- Minimally Invasive Micro Sclerostomy Device
- Where
- United States
- Volunteers
- 129 people
- Sponsor
- Sanoculis Ltd
Optic Nerve Sheath Diameter
Changes in Optic Nerve Sheath Diameter in Patients Undergoing Spinal Surgery in the Prone Position
Long standing prone position could affect vision or optic nerve. To measure the optic nerve sheath diameter using ultrasound is quick and useful assessments of patients.
- Trial name
- NCT04301817
- Volunteers
- 50 people
- Sponsor
- SMG-SNU Boramae Medical Center
Presbyopia Correction, Astigmatism
A Planned Study at Multiple Sites is Being Done to Compare the Results of Two Types of Trifocal Toric Intraocular Lenses Used in Cataract Surgery
To evaluate the clinical outcomes and patient satisfaction of two commercially available trifocal toric intraocular lenses Primary Objective: To compare the distance-corrected intermediate visual acuity between the two trifocal…
- Conditions
- Presbyopia Correction, Astigmatism, Cataract
- Trial name
- NCT07232615
- Testing
- Optiflex TRIO Intraocular Lens, AcrySof® IQ PanOptix®
- Where
- 6 sites in Germany, India and 1 more
- Volunteers
- 138 people
- Sponsor
- Biotech Healthcare Holding Gmbh
Intracranial Pressure Increase
Effect of Tourniquet Application on Optic Nerve Sheath Diameter
The aim of the study to investigate the effect of tourniquet application on optic nerve sheath diameter (ONSD) and cerebral oxygenation during lower extremity surgery.
- Trial name
- NCT04758091
- Where
- Turkey (Türkiye)
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Cataract
Victus Versus Conventional
Cataract surgery is among the world's most frequently performed operations. It involves removal of an opaque lens from the human eye and implantation of an artificial lens.
- Trial name
- NCT01991717
- Testing
- Victus, Conventional Phaco
- Where
- Austria
- Volunteers
- 50 people
- Sponsor
- Matthias Bolz
Glaucoma, Open-Angle, Glaucoma Secondary
Assessment of Effectiveness Ex-Press Surgery Modification
The purpose of the study is to compare the effectiveness and safety profile of ExPress implantation versus partial deep sclerectomy combined with ExPress implantation with simultaneously phacoemulsification.
- Conditions
- Glaucoma, Open-Angle, Glaucoma Secondary, Glaucoma, Primary Open Angle
- Trial name
- NCT03800589
- Testing
- phacoemulsification with implantation of the Ex-Press, deep sclerectomy, phacoemulsification, ExPress implantation
- Volunteers
- 186 people, healthy volunteers welcome
- Sponsor
- Military Institute od Medicine National Research Institute
Lasik Eye Surgery
Long-term LASIK Follow up Study
Laser in situ keratomileusis (LASIK) is the most common corneal refractive surgery performed for correction of myopia. There are very few studies that have been performed to evaluate long-term outcomes after LASIK.
- Trial name
- LASIK (NCT01695642)
- Where
- United States
- Volunteers
- 51 people
- Sponsor
- University of Michigan
Cataract
Performance of Two Hydrophobic IOLs
Comparison of the capsular bag performance of two hydrophobic intraocular lenses of different design.
- Trial name
- NCT05639049
- Testing
- Enova GF3, Tecnis 1-piece ZCB00
- Where
- Austria
- Volunteers
- 45 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Myopia
Efficacy and Safety of ReLEx Smile for Laser Correction of Myopia
Evaluation of the safety and efficacy of the Carl Zeiss Meditec VisuMax femtosecond laser for lamellar resection (ReLEx smile) in the reduction of myopia.
- Trial name
- NCT01481792
- Where
- Denmark
- Volunteers
- 125 people
- Sponsor
- University of Aarhus
Cataract
Anesthetic and Dilating Gel for Cataract Surgery
To prepare the eye for cataract surgery, drugs must be given to the eye to allow for surgery to take place. Traditionally, dilating drops and drops containing NSAIDs (to control inflammation) are given to the patient well in…
- Trial name
- NCT00335400
- Testing
- Anesthetic Dilating Gel
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Queen's University
Ocular Inflammation
KPI-121 1% Versus Prednisolone for the Treatment of Inflammation Following Cataract Surgery in Children
This study is designed to assess how KPI-121 1% compares to prednisolone acetate in reducing inflammation after cataract surgery in young children.
- Trial name
- NCT03596723
- Testing
- KPI-121 1%, Prednisolone acetate
- Where
- 4 sites in United States
- Volunteers
- 2 people
- Sponsor
- Kala Pharmaceuticals, Inc.
Open Angle Glaucoma
STAR-LIFE: a Post-market Registry on MINIject
As part of the post-market clinical follow-up (PMCF), this registry is developed to ensure real-world data collection on MINIject device.
- Trial name
- STAR-LIFE (NCT05269680)
- Testing
- Implant Miniject
- Where
- 15 sites in Austria, Germany and 2 more
- Volunteers
- 320 people
- Sponsor
- iSTAR Medical
Pseudophakic Macular Edema, Diabetic Nephropathies
Diabetic Nephropathy, Glycemic Control and Pseudophakic Macular Edema After Cataract Surgery
This retrospective cohort study examines whether the kidney complications of diabetes (diabetic nephropathy) and blood-sugar control before surgery help predict swelling of the central retina, called pseudophakic macular edema…
- Conditions
- Pseudophakic Macular Edema, Diabetic Nephropathies, Diabetes Mellitus, Type 2, Cataract (Post-operative Cataract Surgery Follow-up)
- Trial name
- NCT07723846
- Testing
- Phacoemulsification with posterior-chamber IOL
- Where
- Thailand
- Volunteers
- 428 people
- Sponsor
- Thammasat University Hospital
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