Clinical trials: Lenses
Cataracts
Comparison of Two Phacoemulsification-methods: EasyTip 2.2mm vs. Infusion Assisted EasyTip 2.2mm
The aim of this study was to compare the intraoperative efficiency, safety and postoperative outcomes of cataract surgery with two different "high-fluidic" settings.
- Trial name
- NCT01936727
- Testing
- cataract surgery
- Where
- Austria
- Volunteers
- 50 people
- Sponsor
- Medical University of Vienna
Presbyopia
Multifocal Lens Centration and Its Effect on Visual Performance in a Presbyopic Population
The purpose of this study is to use a corneal topographer, a device that is readily available in most optometric practices, in order to determine the position of the multifocal (MF) contact lens (CL) optics in relation to the…
- Trial name
- BUICK (NCT02228109)
- Testing
- Acuvue Oasys for Presbyopia, PureVision2 for Presbyopia, Biofinity Multifocal
- Where
- Canada
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Lens Luxation, IOL Subluxation
Long-term Results of Two Surgical Methods for Scleral IOL Implantation and Fixation in Eyes Without Capsular Support: Yamane- Versus 4-flanged Technique
This study is a comparison of the surgical techniques and postoperative outcome between the two intrascleral IOL fixation techniques: Yamane technique versus the 4-flanged technique.
- Conditions
- Lens Luxation, IOL Subluxation, IOL Opacification, Aphakia - No Lens Capsule
- Trial name
- YAMPOINT (NCT06102109)
- Testing
- Pars plana vitrectomy, IOL explantation, Scleral IOL fixation Yamane Technique
- Where
- Austria
- Volunteers
- 100 people
- Sponsor
- Medical University of Vienna
Cataract
Comparative Study on Changes in Anterior Chamber Cytokines, Oxidative Stress, and Pupil Size After LenSx and Z8 Femtosecond Lasers
Femtosecond laser-assisted cataract surgery is rapidly gaining popularity. Among the 5 femtosecond laser platforms available at present for cataract surgery, the Femto LDV Z8 (Ziemer Ophthalmic Systems AG) is a high-frequency…
- Trial name
- NCT06649799
- Testing
- LenSx, Z8
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Myopia
Post-market Follow Up Study on Paragon CRT® 100 (Paflufocon D)
The main objective of this post market clinical study is to evaluate the effectiveness and safety of the Paragon CRT®100 Contact Lens.
- Trial name
- NCT04187599
- Testing
- Paragon CRT®100 Contact Lens
- Where
- 4 sites in China
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)
Contact Lens, Contact Lens Discomfort
Lifitegrast 5% Ophthalmic Solution and Contact Lens Dryness
The most common reason for contact lens discontinuation is contact lens discomfort. The investigators believe that inflammation plays a role in contact lens discomfort and the use of lifitegrast 5% ophthalmic solution may reduce…
- Conditions
- Contact Lens, Contact Lens Discomfort, Contact Lens Dryness
- Trial name
- NCT03686878
- Testing
- Lifitegrast
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- EV Clinical Trials
Myopia
Myopia Control Effect of DIMS Spectacle Lenses in Czech Children and Young Adults
The aim of this clinical study is to compare the efficacy of DIMS technology spectacle lenses with conventional single vision spectacle lenses at slowing the progression of myopia in the category of children and young adults…
- Trial name
- NCT05943912
- Testing
- Single Vision Spectacle Lens, Defocus Incorporated Multiple Segments (DIMS) Spectacle Lens
- Where
- Czechia
- Volunteers
- 80 people
- Sponsor
- Czech Technical University in Prague
Chronic Ocular Graft-versus-host Disease
A Study of Stem Cells Lenses in the coGVHD Subjects
This study is a single dose, Phase I study to evaluate the safety, tolerability, and preliminary effectiveness of Stem cells Lenses in the coGVHD Subjects. Three subject's enrollments are Expected.
- Trial name
- NCT06952114
- Testing
- Stem Cells Lenses
- Volunteers
- 6 people
- Sponsor
- Guangdong ProCapZoom Biosciences Co., Ltd.
Endothelial Cell Loss, Corneal, Cataract
Quantification of Factors Influencing Endothelial Damage During Phacoemulsification
The aim of this study is to determine the principal factors that influence endothelial cell loss three month post cataract surgery. Methods: Multi center observational Cohort study, inclusion period from 12/01/2022 to 10/06/2022.
- Conditions
- Endothelial Cell Loss, Corneal, Cataract, Phacoemulsification
- Trial name
- PREDICSPILOT (NCT05529485)
- Testing
- Cataract surgery by phacoemulsification
- Where
- France
- Volunteers
- 121 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
Cataract
A Prospective, Single-Arm Clinical Evaluation of Visual, Refractive, and Patient-Reported Outcomes Following Bilateral Implantation of the TECNIS PureSee™ Extended Depth of Focus Intraocular Lens
Assess the visual, refractive, and patient-reported outcomes - including spectacle independence - of bilateral cataract surgery with implantation of the TECNIS PureSee extended depth of focus (EDOF) IOL in subjects with visually…
- Trial name
- NCT07790887
- Testing
- PureSee IOL
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Vance Thompson Vision
Cataract
A Prospective, Randomized, Subject and Vision-assessor Masked, Multicenter Study Comparing Bilateral Clareon PanOptix, Bilateral Clareon PanOptix Pro, and Mixed Clareon PanOptix Pro/Vivity Intraocular Lens Implantation in Cataract Subjects
Prospective, randomized, multicenter, multi-arm, subject and vision-assessor-masked, two stage study with Stage 1 as a three-arm initial enrollment period, followed by Stage 2 as a head-to-head study refined based on the Stage 1…
- Trial name
- NCT06922084
- Testing
- Clareon PanOptix, Clareon PanOptix PRO, Mix-and-Match PanOptix/Vivity
- Where
- 2 sites in United States
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Berkeley Eye Center
Myopia, Hyperopia
Evaluation of the Effectiveness of Two Marketed Multi-Purpose Solutions for Silicone Hydrogel Contact Lenses - Study 1
The purpose of this study was to evaluate the performance of Opti-Free® PureMoist® Multi-Purpose Disinfecting Solution (MPDS) compared to Biotrue™ Multipurpose Solution (MPS) in silicone hydrogel contact lens wearers.
- Conditions
- Myopia, Hyperopia, Contact Lens Comfort
- Trial name
- NCT01684033
- Testing
- Opti-Free® PureMoist® MPDS, Biotrue™ MPS, Habitual contact lenses
- Volunteers
- 207 people
- Sponsor
- Alcon Research
Cataract
Identification of Clinical, Biometrical and Operatory Factors Related to Pain During Cataract Surgery
Adults who undergo cataract surgery will be questioned after surgery about the eventual pain they experienced, about their health history, personal treatment.
- Trial name
- NCT04353843
- Where
- France
- Volunteers
- 400 people
- Sponsor
- University Hospital, Montpellier
Postoperative Cystoid Macular Edema, Irvine-Gass Syndrome
Study for Optimizing Anti-inflammatory Prophylaxis
The purpose of this study is to investigate which anti-inflammatory treatment is best at preventing postoperative inflammation following cataract surgery.
- Trial name
- SOAP (NCT03383328)
- Testing
- NSAID + prednisolone, preoperative, NSAID + prednisolone, postoperative, NSAID, preoperative
- Where
- Denmark
- Volunteers
- 470 people
- Sponsor
- Line Kessel
Cataract
Pilot Study of AcrySof® IQ ReSTOR® +3.0 D Multifocal Toric Intraocular Lens (IOL)
The purpose of this study is to describe visual outcomes, in particular spherical equivalent by manifest refraction and visual acuity across a range of distances, 6 months post implantation of the AcrySof® IQ ReSTOR® +3.0 D…
- Trial name
- NCT01200511
- Testing
- AcrySof® IQ ReSTOR® +3.0 D Multifocal Toric IOL
- Volunteers
- 49 people
- Sponsor
- Alcon Research
Rhegmatogenous Retinal Detachment, Hypotony Ocular
Ocular Hypotony and Refractive Predictability in RRD Surgery
This study evaluates how preoperative ocular hypotony (Goldmann IOP ≤ 7 mmHg) affects refractive predictability, axial length measurements, and visual outcomes in patients undergoing combined phacovitrectomy with silicone oil for…
- Trial name
- HYP-RRD (NCT07283614)
- Testing
- Combined Phacovitrectomy with Intraocular Lens Implantation and Silicone Oil Tamponade, Silicone Oil Removal
- Where
- Kazakhstan
- Volunteers
- 45 people
- Sponsor
- Kazakh Eye Research Institute
Cataract
Cataract Surgery: Femto LDV Z8 Versus Conventional
The aim of the study is to demonstrate the performance and safety of the Femtosecond laser-assisted anterior capsulotomy and lens fragmentation on human eyes using the FEMTO LDV Z8 compared to conventional technique in cataract…
- Trial name
- COMFORT (NCT02351271)
- Testing
- Femto LDV Z8, Manual capsulorhexis&lens fragmentation
- Volunteers
- 130 people
- Sponsor
- Ziemer Ophthalmic Systems AG
Intermittent Exotropia, Myopia
A Comparative Study of the Efficacy of Myopia Control Lenses With Different Mechanisms on Controlling Myopia Progression in Patients With Intermittent Exotropia
The goal of this clinical trial is to compare the efficacy of myopia control lenses with different working principles in patients with intermittent exotropia aged 6 to 12 years.
- Trial name
- NCT07642934
- Testing
- DIMS glasses, DOT glasses
- Volunteers
- 120 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Cataract
Influence of DisCoVisc Ophthalmic Viscosurgical Device (OVD) on Intraoperative Aberrometry Readings
The purpose of the study is to develop a nomogram that correlates intraoperative, aphakic refraction measurements when the anterior chamber is pressurized with either balanced salt solution (BSS) or DisCoVisc; and to understand…
- Trial name
- NCT03751033
- Testing
- BSS, DiscoVisc
- Where
- 3 sites in United States
- Volunteers
- 120 people
- Sponsor
- Clinical Research Consultants, Inc.
Myopia
A Comparison of Daily Disposable Contact Lenses.
This study seeks to evaluate the clinical performance of a new CE marked daily disposable contact lens that contains a wetting agent to a recently improved daily disposable contact lens.
- Trial name
- NCT00727558
- Testing
- nelfilcon A, narafilcon A
- Where
- 19 sites in United Kingdom
- Volunteers
- 248 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
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