Clinical trials: Ophthalmic Surgery
ONSD in Laparoscopic Surgery
"Optic Nerve Sheath Diameter; Low vs. Conventional Insufflation Pressures''
Objective: This study investigates the impact of carbon dioxide (CO2) pneumoperitoneum on optic nerve sheath diameter (ONSD) and intracranial pressure (ICP) in patients undergoing total laparoscopic hysterectomy.
- Trial name
- NCT06650475
- Testing
- Using low or standart pressure
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Konya City Hospital
Ambulatory Surgical Procedures, Ocular Anterior Segment Surgery
Centralised Anesthesic Monitoring in the Surgery of the Ocular Anterior Segment: Non Inferiority Study
In France, cataract surgery is the most frequent surgical procedure, performed with local anesthesia and most often very light techniques using eye-drops.
- Trial name
- SACHS (NCT02037009)
- Testing
- Health care organization (anesthetic surveillance)
- Where
- France
- Volunteers
- 900 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Pterygium
Dextenza in Pterygium Surgery
DEXTENZA for the treatment of post-surgical pain and inflammation compared to standard of care topical prednisolone acetate 1% in patients who undergo pterygium surgery (excision of pterygium with conjunctival autograft)
- Trial name
- NCT04403516
- Testing
- Dexamethasone Intracanalicular Insert, 0.4mg, Prednisolone Acetate 1%
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Michelle Rhee MD
Open Angle Glaucoma, Pigmentary Glaucoma
Standalone iStent Infinite and iDose TR for Management of Moderate to Severe Open Angle Glaucoma
The Investigators will investigate the efficacy of combining the standalone iStent infinite and iDose that are minimally invasive surgical and drug depot options are a safe and effective alternative to filtering surgery for…
- Conditions
- Open Angle Glaucoma, Pigmentary Glaucoma, Pseudoexfoliation Glaucoma
- Trial name
- POAG (NCT07228221)
- Testing
- iStent infinite trabecular micro-bypass system model iS3, iDose TR (Travoprost intracameral Implant) 75mcg
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Jonathon Myers
Dacryocystitis
Analgesic Efficacy of Pre-operative Oral Pregabalin in Dacryocystorhinostomy Surgery
This study is conducted to evaluate the effects of preoperative oral pregabalin on postoperative pain and analgesic requirements in patients undergoing DCR surgery.
- Trial name
- NCT05455944
- Testing
- Pregabalin 150mg
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Sameh Fathy
Intracranial Hypertension
Effects of Extracorporeal Circulation Techniques on Cerebral Perfusion in CABG Surgery
This prospective study aims to compare the effects of minimal invasive extracorporeal circulation (MiECC) and conventional reservoir-based extracorporeal circulation techniques on cerebral perfusion in patients undergoing…
- Trial name
- NCT07420738
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people
- Sponsor
- Kartal Kosuyolu High Speciality Training and Research Hospital
Myopia
Comparison of Myopic Small Incision Lenticule Extraction (SMILE) With VISUMAX 500 Versus VISUMAX 800 Platforms
Small incision lenticule extraction (SMILE) procedure is a well-known procedure for the correction of myopia. The purpose of this research study is to compare the two SMILE procedures with different laser platforms (VISUMAX 500…
- Trial name
- NCT07505264
- Testing
- SMILE surgery with Visumax 500, SMILE surgery with Visumax 800
- Where
- Singapore
- Volunteers
- 100 people
- Sponsor
- Singapore Eye Research Institute
Conjunctival Bacterial Flora
Effectiveness of Topical 0.5% Levofloxacin to Reduce the Conjunctival Bacterial Flora Before Intraocular Surgery
The purpose of this study is to determine whether additional topical application of 0.5% levofloxacin is more effective in reducing the load of the conjunctival bacterial flora in patients scheduled for intraocular surgery than…
- Trial name
- NCT00491049
- Testing
- 0.5% levofloxacin eye drops
- Where
- Germany
- Volunteers
- 140 people
- Sponsor
- Ludwig-Maximilians - University of Munich
Macular Holes
Extent of ILM Removal and Its Impact on Outcomes of MH Surgery
Eligible patients who were scheduled for surgery for idiopathic macular hole (MH) were equally randomized to small extent group or large extent group depending on the extent of internal limiting membrane (ILM) to be removed.
- Trial name
- NCT02010138
- Testing
- small-extent peeling, large-extent peeling
- Where
- South Korea
- Volunteers
- 65 people
- Sponsor
- Samsung Medical Center
Myopia, Myopia; Astigmatism
Assessment of IOP After Corneal Refractive Surgery Based on AI
Significance, Background, and Current Status Studies show the global average prevalence of myopia is 22%, with hyperopia incidence being similar.
- Conditions
- Myopia, Myopia; Astigmatism, Refractive Surgery, Intraocular Pressure Changes
- Trial name
- AIOP-CRS-AI (NCT07544615)
- Where
- China
- Volunteers
- 10,030 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Cataract, Corneal Astigmatism
ClarVista HARMONI Toric Trial With Intraoperative Exchange
The purpose of this study was to demonstrate the safety and effectiveness of the HARMONI® Modular Intraocular Lens System with a toric optic in subjects with pre-existing corneal astigmatism in need of cataract surgery.
- Conditions
- Cataract, Corneal Astigmatism, Aphakia
- Trial name
- NCT03054649
- Testing
- HARMONI® Modular Intraocular Lens System, Intraoperative optic exchange
- Where
- 2 sites in Mexico, Philippines
- Volunteers
- 44 people
- Sponsor
- ClarVista Medical
Cataract
Quality Assurance Via Telephone Interviews After Cataract Surgery
To analyse quality assurance after cataract surgery by assessing discomfort and other symptoms via telephone interviews either in the evening of the day of the surgery or 1 day after surgery versus no additional call after…
- Trial name
- NCT05215002
- Testing
- Telephone Call, No telephone call
- Where
- Austria
- Volunteers
- 200 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Cataract
Confirmatory Study Nepafenac 0.3%
The purpose of this study was to assess the safety and efficacy of an investigational eye drop intended for the prevention and treatment of inflammation (swelling and redness) and pain in the eye after cataract extraction.
- Trial name
- NCT01109173
- Testing
- Nepafenac Ophthalmic Suspension, 0.3%, Nepafenac Ophthalmic Suspension, 0.1%, Nepafenac Ophthalmic Suspension 0.3% Vehicle
- Where
- United States
- Volunteers
- 2,120 people
- Sponsor
- Alcon Research
Cataract
A Comparison of Two Devices for Taking Measurements of the Eye to Assist in Lens Selection for Cataract Surgery
The purpose of this study is to compare the Ziemer Ophthalmic Systems AG GALILEI G6 Lens Professional to the Oculus Pentacam® AXL for taking images and measurements of the anterior segment of the eye, including the cornea, pupil…
- Trial name
- NCT03396003
- Testing
- GALILEI G6 Lens Professional, Oculus Pentacam AXL
- Where
- Switzerland
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- Ziemer Ophthalmic Systems AG
Inflammation
Study of Difluprednate in the Treatment of Inflammation Following Ocular Surgery (ST-601A-002a)
The purpose of this phase III study is to determine the efficacy of difluprednate in the treatment of inflammation following ocular surgery.
- Trial name
- NCT00429923
- Testing
- Difluprednate
- Where
- United States
- Volunteers
- 219 people
- Sponsor
- Sirion Therapeutics, Inc.
Myopia, Astigmatism
A Prospective Study of Femtosecond Laser Intracorneal Lensectomi
The purpose of this study is to compare visual acuity, safety, predictability, corneal biomechanics, dry eyes, and nerve-morphology after all femtosecond laser refractive lenticule extraction.
- Trial name
- NCT01673503
- Testing
- Carl Zeiss Meditech VisuMax laser
- Where
- Denmark
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Odense University Hospital
Glaucoma, Open Angle
Comparison of Effect of Postoperative Cyclosporine A 2% Ophthalmic Emulsion and Betamethasone Eye Drop on Surgical Success of Trabeculectomy Procedure
Glaucoma is one of the leading causes of blindness worldwide and trabeculectomy is the most commonly performed operation to slow-down the disease progression.
- Trial name
- BCATS (NCT02114073)
- Testing
- Cyclosporine, Betamethasone
- Where
- Iran
- Volunteers
- 40 people
- Sponsor
- Mashhad University of Medical Sciences
Cataract
AI-Driven IOL Prediction Using SS-OCT Biometry
This prospective, multicenter, non-interventional observational study aims to evaluate the agreement between a novel swept-source optical coherence tomography (SS-OCT) biometer and the IOLMaster 700 for ocular biometric…
- Trial name
- NCT07733154
- Testing
- IOLMaster 700, Novel SS-OCT Biometer
- Where
- 3 sites in Australia, China and 1 more
- Volunteers
- 2,500 people
- Sponsor
- The Hong Kong Polytechnic University
Cystoid Macular Edema
The Effect of Macugen in Patients With Chronic, Post-Operative Cystoid Macular Edema
This research is being done to look at the effects of an experimental drug called pegaptanib (also called Macugen) for the treatment of swelling in the retina (the light sensitive tissue in the back of the eye) that can occur…
- Trial name
- NCT00358423
- Testing
- Pegaptanib Sodium, Control
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Johns Hopkins University
Eye Disorders, Cataract Extraction
Effectiveness of a Large Language Model-Based Educational Tool on Intraocular Lens Options
Patients with cataracts disease need to choose what type of artificial lens will go into their eye prior to surgery date. Some lenses are standard and are usually covered by insurance.
- Conditions
- Eye Disorders, Cataract Extraction, Cataract and IOL Surgery, Cataract Surgery Experience
- Trial name
- NCT07317661
- Testing
- LLM-based Education
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Stanford University
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