Clinical trials: Ophthalmic Surgery
Cataract, Corneal Astigmatism
Evaluation of the Impact of Corneal Width on Surgically Induced Astigmatism (SIA) and Functional Results After Bimanual 1.4 mm Microincision Cataract Surgery (B-MICS), Coaxial 1.8 mm MICS (C-MICS) and 2.4 mm Small Incision Cataract Surgery (C-SICS).
The aim of the study is to compare functional results and complications of 3 methods of cataract phacoemulsification: bimanual 1.4 mm cataract surgery (B-MICS), coaxial 1.8 mm cataract surgery (C-MICS) and coaxial 2.4 mm small…
- Conditions
- Cataract, Corneal Astigmatism, Corneal Incision Contracture
- Trial name
- MICS (NCT05510869)
- Testing
- Bimanual 1.4 mm microincision cataract surgery (B-MICS) with IOL implantation in a "wound-assisted" technique. In bimanual MICS group a self-sealing 1.4 mm wide incision was created supratemporally, Coaxial 1.8 mm microincision cataract surgery (C-MICS) with IOL implantation with an injector through the 1.8 mm wide incision created temporally., Coaxial 2.4 mm small incision cataract surgery (C-SICS) with IOL implantation with an injector through the 2.4 mm wide incision located temporally.
- Volunteers
- 90 people
- Sponsor
- Medical University of Lodz
Open Angle Glaucoma
Study of OMNI System in OAG (GEMINI)
This study will prospectively assess the clinical effect of ab-interno transluminal viscoelastic delivery and trabeculotomy performed using the OMNI Surgical System in combination with Cataract Extraction on intraocular pressure…
- Trial name
- NCT03861169
- Testing
- Transluminal viscoelastic delivery and trabeculotomy
- Where
- 15 sites in United States
- Volunteers
- 209 people
- Sponsor
- Sight Sciences, Inc.
Open Angle Glaucoma, Angle Closure Glaucoma
Oculusgen (Ologen) Glaucoma MMC Control in Estonia
To compare the safety and effectiveness between ologen collagen matrix and mitomycin-C (MMC) in glaucoma surgery. The ologen collagen matrix implantation procedure is same as traditional trabeculectomy except implant the ologen…
- Conditions
- Open Angle Glaucoma, Angle Closure Glaucoma, Uveitis Glaucoma, Young Age Glaucoma
- Trial name
- NCT00524758
- Testing
- ologen (oculusgen) collagen matrix, MMC in Trabeculectomy
- Where
- Estonia
- Volunteers
- 20 people
- Sponsor
- Pro Top & Mediking Company Limited
Dry Eye
Evaluation of the Performance of MAF-1217 on Cataract Surgery
MAF-1217 is meant as the medical device which is to be effective in most forms of DED; therefore, it is expected that study patients benefit from study participation, and can reduce the signs and symptoms of surgery induced DED…
- Trial name
- NCT03833908
- Testing
- MAF-1217
- Where
- 2 sites in Italy
- Volunteers
- 46 people
- Sponsor
- VISUfarma SpA
Esotropia
Surgery for Esotropia Under Topical Anesthesia
Adult patients requiring surgery for esotropia will be randomized to surgery under topical anesthesia or sub-Tenon's anesthesia. Amount of surgery required with the two anesthetic procedures will be compared.
- Trial name
- SETTA (NCT00993174)
- Testing
- Topical strabismus surgery, Sub-Tenon's strabismus surgery
- Where
- Spain
- Volunteers
- 60 people
- Sponsor
- Hospital Universitario Ramon y Cajal
Macular Pucker
Compare ELP in Patients With Elective Phaco-VTX Surgery in One Eye and a Single Lens Phaco Surgery on the Other Eye
The aim of the study is to gain more insight into the potential impact of a vitrectomy (removal of the vitreous) on postoperative effective position of the intraocular lens (IOL).
- Trial name
- ELP (NCT04397068)
- Testing
- phaco-vitrectomy
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Retinal Detachment
The Influence of Postoperative Postures on Persistent Sub-foveal Fluid After Scleral Buckle Surgery
The purpose of this study is to evaluate whether postoperative postures influence persistent sub-foveal fluid after scleral buckle surgery
- Trial name
- NCT02294708
- Testing
- postoperative postures
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Peking University Third Hospital
Eye Diseases, Obesity Associated Disorder
Ophthalmologic Evaluation of Patients With Obesity and Metabolic Syndrome Before and After Bariatric Surgery
The aim of this study was to investigate the pathogenic role of obesity on blinding eye diseases in a population of severely obese patients with no history of eye diseases, and to verify whether weight loss induced by bariatric…
- Trial name
- NCT04926714
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- XiaoYong Liu
Cataract
DEXTENZA Compared to Topical Steroid Therapy Prior to Cataract Surgery in Patients Who Receive Premium Intraocular Lenses
The investigators seek to assess the effect of pre-operative and continued post-operative corticosteroid use on pain, patient preference, visual outcomes, and change in objective quantifiable biological parameters in patients…
- Trial name
- NCT04479748
- Testing
- Dexamethasone, Prednisolone Acetate 1% Oph Susp
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Prism Vision Group
Retinal Detachment
Ursodeoxycholic Acid (UDCA) as a Neuroprotective Adjuvant Treatment to Rhegmatogenous Retinal Detachment Surgery
This study is indicated for patients with extended rhegmatogenous retinal detachment (RRD) (≥ 2 quadrants) with macula OFF lasting 7 days or less, pseudophakic or aphakic, and scheduled to undergo surgical intervention with…
- Trial name
- UDCA (NCT06294847)
- Testing
- Ursolvan
- Where
- 2 sites in France
- Volunteers
- 120 people
- Sponsor
- Hopital Foch
Dentofacial Deformities, Orthognathic Surgery
Quantitative Evaluation of Attention to Faces After Orthognathic Surgery With Eye-tracking
Dentofacial deformities refer to morphological anomalies of the jaws. Their development during growth determines the shape of the lower third of the face and the type of dental occlusion.
- Conditions
- Dentofacial Deformities, Orthognathic Surgery, Social Perception, Eye Tracking
- Trial name
- OCHIRO (NCT06494709)
- Testing
- photographs
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Glaucoma, Angle-Closure
Study on Ex-PRESS Implantation Combined With Phacoemulsification in Primary Angle-closure Glaucoma
Primary angle-closure glaucoma (PACG) is common, phacotrabeculectomy is associated with a significant risk of complications.The Ex-PRESS shunt was introduced as a modification to trabeculectomy, with the theoretical advantages of…
- Trial name
- PACG (NCT03323138)
- Testing
- Ex-PRESS and phacoemulsification
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Wenzhou Medical University
Cataract
Tobramycin-Dexamethasone Versus Tobramycin-Dexamethasone Plus Ketorolac After Phacoemulsification Surgery
This randomized controlled trial compares two regimens of topical therapy: tobramycin 0.3% - dexamethasone 0.1% (TobraDex®, Alcon), one drop four times/day combination of tobramycin 0.3% - dexamethasone 0.1% (TobraDex®, Alcon)…
- Trial name
- NCT00992355
- Testing
- Tobramycin 0.3% - Dexamethasone 0.1%, Tobramycin 0.3% - Dexamethasone 0.1% plus Ketorolac tromethamine 0.5%
- Where
- Greece
- Volunteers
- 97 people
- Sponsor
- Veroia General Hospital
Cataract
Combined Intracameral Lidocaine for Manual Small Incision Cataract Surgery Under Topical Anesthesia
The purpose of this study is to determine whether intraocular lidocaine increases patient comfort during the different stages of MSICS while under topical anesthesia.
- Trial name
- NCT01023334
- Testing
- MSICS under topical anesthesia with intracameral lidocaine, MSICS under topical anesthesia with intracameral balanced salt solution.
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Wenzhou Medical University
Glaucoma
Comparing the Effect of the Water Drinking Test on Intraocular Pressure
A test that was common in the 1960's and was used to detect primary open angle glaucoma was the water drinking test (patients drank 1 quart of water to stress the fluid drainage mechanism of the eyes.
- Trial name
- NCT02001155
- Testing
- Water Drinking Test
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Wills Eye
IOP Decreased
Modified Trabeculectomy for Glaucoma Surgery
A combination of hypotony, flat anterior chamber and choroidal detachment is the most common complications after filtering surgery.
- Trial name
- NCT04019210
- Testing
- MODIFIED TRABECULECTOMY
- Where
- Egypt
- Volunteers
- 17 people
- Sponsor
- Assiut University
Ophthalmic Surgery, Parabulbar Block
Anaesthesia for Ophthalmic Surgery: How "Retro" is the Peribulbar Block?
Ophthalmic surgery on the posterior section of the eye can either be performed under general anaesthesia or under local aneasthesia. The local anaesthesia is performed by injecting local anaesthetics behind the eye.
- Trial name
- NCT01258959
- Testing
- Ultrasound detection of local anesthetics spread
- Where
- Canada
- Volunteers
- 100 people
- Sponsor
- Sunnybrook Health Sciences Centre
Pseudophakia, Accomodation
Monofocal Extended Range of Vision (MERoV) Study
The investigators are proposing this research project to: 1. Screen a set of patients after normal cataract surgery with a single focus lens aimed at good distance vision at 3 months after surgery to identify patients who are…
- Conditions
- Pseudophakia, Accomodation, Aberration, Corneal Wavefront
- Trial name
- MERoV (NCT04011696)
- Where
- United Kingdom
- Volunteers
- 412 people
- Sponsor
- Brighton and Sussex University Hospitals NHS Trust
Tomography
UNITY DX Cornea Study
The purpose of this study is to validate the clinical measurement performance of an investigational biometer. Subjects will undergo multiple measurements of the eye, and the agreement, repeatability, and reproducibility of…
- Trial name
- NCT07768735
- Testing
- UNITY DX, ANTERION
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Open Angle Glaucoma
Ologen Collagen Matrix Safety and Effective Comparison With Mitomycin-C(MMC) in Glaucoma Surgery
To compare the safety and effectiveness of oculusgen (ologen) collagen matrix implantation and Mitomycin-C(MMC) in glaucoma surgery.
- Trial name
- NCT00538590
- Testing
- Collagen Matrix in Glaucoma Filtering Surgery, Mitomycin-C(MMC) and glaucoma filtering surgery
- Where
- Germany
- Volunteers
- 20 people
- Sponsor
- Pro Top & Mediking Company Limited
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