Clinical trials: Ophthalmic Surgery, open to volunteers
Esophoria
Prism Adaptation in Symptomatic Esophoria - Effect of Shorter Time Intervals and Surgical Outcomes Based on Prism Adaptation
This study is a prospective randomized study aiming to investigate the effect of prism adaptation before surgery for symptomatic esophoria on the number of reoperations, the occurrence of over- and under-correction after the…
- Trial name
- NCT06729710
- Testing
- Prism adaptation test, other
- Where
- Denmark
- Volunteers
- 100 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Cataract, Vitreous Hemorrhage
Surgical Procedure Efficiency Evaluation stuDy
The purpose of this real-world evidence study is to compare surgical procedure times for UNITY® VCS and CONSTELLATION® Vision System.
- Conditions
- Cataract, Vitreous Hemorrhage, Retinal Detachment, Macular Pucker
- Trial name
- NCT07228091
- Testing
- UNITY VCS, CONSTELLATION
- Where
- United Kingdom
- Volunteers
- 180 people
- Sponsor
- Alcon Research
Lens Diseases
Evaluating Presbyopia-Correcting IOLs in Complex Cataract Cases With Anterior Segment Abnormalities
The goal of cataract surgery has evolved from simply restoring sight to providing clear and comfortable full-range vision. Traditionally, monofocal IOLs remain the routine choice for special cases with anterior segment…
- Trial name
- NCT07321756
- Testing
- Unilateral Posterior Chamber Implantation of Presbyopia-Correcting IOL, Unilateral Posterior Chamber Implantation of Monofocal IOL
- Where
- China
- Volunteers
- 320 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Myopic Astigmatism
A Study to Investigate the Safety and Effectiveness of the Technolas® TENEO 317 Model 2 Excimer Laser for Laser In Situ Keratomileusis (LASIK) Surgery to Treat Myopia or Myopic Astigmatism
This will be a multicenter, prospective, open label, non-randomized, single arm study evaluating the safety and effectiveness of the Technolas® TENEO 317 Model 2 (version 1.28 US software) Excimer Laser when used in LASIK surgery…
- Trial name
- NCT07377474
- Testing
- TENEO 317 Model 2 (1.28 US) Excimer Laser
- Volunteers
- 32 people
- Sponsor
- Bausch & Lomb Incorporated
Macular Oedema, Cataract Surgery
Comparing Efficacy of Bromfenac 0.09%, Nepafenac 0.3% and Diclofenac 0.1% in Patients After Cataract Surgery
The goal of this clinical trial is to learn which of the drugs bromfenac 0.09%, nepafenac 0.3% and diclofenac 0.1% has better efficacy in treatment and prevention of cystoid macular oedema after cataract surgery.
- Conditions
- Macular Oedema, Cataract Surgery, NSAID (Non-Steroidal Anti-Inflammatory Drug)
- Trial name
- BND (NCT07178639)
- Testing
- Bromfenac 0.09 % Ophthalmic Solution, Nepafenac 0.3% Oph Susp, diclofenac 0.1% ophthalmic susp.
- Where
- Czechia
- Volunteers
- 150 people
- Sponsor
- Nemocnice Kolín
Open Angle Glaucoma
Comparative Effectiveness and Safety of ELIOS in Patients With Open-Angle Glaucoma Undergoing Cataract Surgery
The primary study objective is to compare the effectiveness of the combination of phacoemulsification with intraocular lens implant with ELIOS or competitor device in reducing IOP at 12 months postoperatively.
- Trial name
- NCT06246136
- Testing
- ELIOS, Competitor Device
- Where
- 16 sites in Belgium, France and 4 more
- Volunteers
- 194 people
- Sponsor
- Elios Vision, Inc.
Myopic Traction Maculopathy
Predictors of Vitrectomy Outcomes in Myopic Foveoschisis
This prospective pilot study evaluates factors that predict outcomes after vitrectomy for myopic foveoschisis (MFS), a sight-threatening complication of high myopia that can lead to progressive visual loss, foveal detachment…
- Trial name
- NCT07774637
- Testing
- pars plana vitrectomy
- Where
- Singapore
- Volunteers
- 30 people
- Sponsor
- Singapore National Eye Centre
Cataract
Lacrifill for Ocular Surface Optimization in Cataract Surgery
This is a single-site observational study designed to evaluate the efficacy of Lacrifill™ canalicular filler in optimizing ocular surface parameters and biometric precision in prospective cataract surgery patients with dry eye…
- Trial name
- NCT07648095
- Testing
- Lacrifill Canalicular Filler
- Where
- United States
- Volunteers
- 65 people
- Sponsor
- The Eye Institute of West Florida
Cataract (Post-operative Cataract Surgery Follow-up)
Vision Center Determinants of Cataract Follow-Up in Rural India
Cataract remains the leading cause of avoidable blindness in India despite substantial expansion of surgical services over the past two decades.
- Trial name
- NCT07513402
- Testing
- Follow-Up Strengthening Intervention Framework
- Volunteers
- 150 people
- Sponsor
- Seva Canada Society
Cataract, High Myopia
Evaluation of Cataract Surgery Outcome
The purpose of this study is to evaluate the visual outcome of the cataract surgery, including best uncorrected and corrected visual acuity, spherical equivalent, wavefront aberration and other measurements.
- Trial name
- NCT02182921
- Where
- China
- Volunteers
- 20,000 people
- Sponsor
- Evidence Based Cataract Study Group
Uveal Melanoma, High-risk Uveal Melanoma
High-precision Radiosurgery Followed by Minimally Invasive Surgical Approach in Patients With High-prominence Uveal Melanoma: Modern Radiation Techniques and Outcomes
High-precision radiosurgery followed by minimally invasive surgical approach in patients with high-prominence uveal melanomas: modern radiation techniques and outcomes.
- Conditions
- Uveal Melanoma, High-risk Uveal Melanoma, Prominent Uveal Melanoma
- Trial name
- PRIME (NCT07913412)
- Where
- 3 sites in Germany
- Volunteers
- 250 people
- Sponsor
- University Hospital, Essen
Cataract (Post-operative Cataract Surgery Follow-up), Refraction Error
Can Tailored Surgical Incisions Reduce Refractive Error and Dependence on Glasses After Cataract Surgery?
Astigmatism is a common cause of continued dependence on glasses after cataract surgery and may lead to patient dissatisfaction with surgical outcomes.
- Trial name
- AST-2 (NCT07623317)
- Testing
- Adapted clear corneal incisions
- Volunteers
- 100 people
- Sponsor
- Linkoeping University
Irregular Astigmatism, Astigmatism
Improving Visual Quality in Patients With Irregular Corneas Using Asymmetrical Toric Intraocular Lenses
Cataract surgery in patients with irregular corneas presents unique challenges, primarily due to the high variability in keratometry and corneal tomography measurements, which complicates accurate intraocular lens (IOL)…
- Conditions
- Irregular Astigmatism, Astigmatism, Cataract and IOL Surgery
- Trial name
- VITAL (NCT07294716)
- Testing
- AMILens Individual
- Where
- Austria
- Volunteers
- 15 people
- Sponsor
- Johannes Kepler University of Linz
Epiretinal Membrane
Randomized Trial Comparing Immediate vs. Deferred Surgery for Symptomatic ERM
Vitrectomy to remove an epiretinal membrane (ERM) is one of the most common procedures performed by retinal surgeons. Patients who present with significant macular changes on optical coherence tomography (OCT) but relatively good…
- Trial name
- Protocol AM (NCT05145491)
- Testing
- Immediate Vitrectomy, Deferred Vitrectomy
- Where
- 49 sites in United States, United Kingdom
- Volunteers
- 400 people
- Sponsor
- Jaeb Center for Health Research
Keratoconus
First in Human Study to Assess Safety and Efficacy of an Implantable Nitinol Device in the Treatment of Keratoconus
This Study is a First In Human clinical investigation addressed to evaluate the safety and efficacy of a novel intra-corneal nitinol device (Investigational Medical Device: GROSSO® implant) for the treatment of advanced…
- Trial name
- NCT06451718
- Testing
- Nitinol net for intracorneal implant for keratoconus treatment
- Where
- 2 sites in Italy, Spain
- Volunteers
- 12 people
- Sponsor
- Recornea Srl
Cataract Surgery
Reducing Patient Waiting Time for Cataract Surgery
The purpose of this study is to examine how coordination between hospital departments affects patient flow between the free ward (B1), paid ward (C1) and the operating theatre (OT) for cataract surgeries at a tertiary eye care…
- Trial name
- NCT07484659
- Testing
- Standard Operating Procedures (SOPs)
- Where
- India
- Volunteers
- 360 people
- Sponsor
- Seva Canada Society
Open-Angle Glaucoma
Efficacy of Surgical Systems in Combination With Phacoemulsification: a Retrospective Analysis
Real-World efficacy of Hydrus Microstent with OMNI Surgical System in combination with Phacoemulsification: a retrospective analysis
- Trial name
- NCT06953349
- Testing
- Real-World efficacy of Hydrus Microstent with OMNI Surgical System in combination with Phacoemulsification: a retrospective analysis
- Where
- United States
- Volunteers
- 300 people
- Sponsor
- Barnet Dulaney Perkins Eye Centers
Pseudoexfoliation Syndrome, Cataract
Corneal Biomechanics and Surgically Induced Astigmatism in Pseudoexfoliation Syndrome
This prospective study aims to evaluate the influence of corneal biomechanical properties on surgically induced astigmatism following standard phacoemulsification cataract surgery in patients with pseudoexfoliation syndrome…
- Conditions
- Pseudoexfoliation Syndrome, Cataract, Astigmatism
- Trial name
- NCT07722247
- Testing
- phacoemulsification cataract surgery
- Where
- Croatia
- Volunteers
- 70 people
- Sponsor
- Kata Culina
Myopia, Refractive Ametropia
The Impact of 'A Miss Is as Good as a Mile': Is Compensation Necessary for Minimal Ocular Deviation in Myopic Laser Surgery?
The goal of this clinical trial is to evaluate the effect of intraoperative kappa-angle compensation on postoperative visual quality in patients undergoing small incision lenticule extraction (SMILE) using the VisuMax 800…
- Trial name
- NCT07512115
- Testing
- Apply compensation to the Kappa angle., Apply no compensation to the Kappa angle
- Where
- China
- Volunteers
- 224 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Glaucoma
Safety and Effectiveness of PreserFlo and XEN Stents With or Without Amniotic Membrane in Glaucoma Surgery
Glaucoma is one of the leading causes of permanent blindness in the world. It happens when the optic nerve-the connection between the eye and the brain-is damaged. As this damage gets worse, vision is slowly lost.
- Trial name
- NCT07143708
- Testing
- Glaucoma Surgery with Amniotic Membrane, Glaucoma Surgery without Amniotic Membrane
- Volunteers
- 156 people
- Sponsor
- Nova Scotia Health Authority