Clinical trials: Lens Implantation, Intraocular
Dislocated Intraocular Lens
Modification of Scleral Suture Fixation of Dislocated IOL
A prospective randomized study on patients with late in the bag intraocular lens (IOL) dislocation after cataract surgery. Two surgical techniques of suturing of IOL to the sclera will be compared in the study.
- Trial name
- NCT04150263
- Testing
- Intraocular lens (IOL) ab externo scleral suture fixation, Modified IOL ab externo scleral suture fixation
- Where
- Sweden
- Volunteers
- 117 people
- Sponsor
- St. Erik Eye Hospital
Congenital Cataract
Secondary Intraocular Lens Implantation in Pediatric Patients
This prospective, non-randomized controlled study aiming at comparing the prognosis of minimal invasive lens surgery and traditional cataract surgery for treating congenital cataracts after the patient receives secondary…
- Trial name
- NCT03240796
- Testing
- minimal invasive surgery and secondary IOL implantation, traditional cataract surgery and secondary IOL implantation
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Sun Yat-sen University
Visual To Compare the Visual Outcome Between AcrySof™ IQ Vivity™ and TECNIS Synergy™ Intraocular Lens (Model ZFR00V )
A Comparative Study of Visual Outcome of Two Extended Depth of Focus Intraocular Lenses After Cataract Surgery
The investigators aim to compare the visual performance of the most recently introduced extended depth of focus intraocular lenses ; AcrySofTM IQ VivityTM and TECNIS SynergyTM ( an extended depth of focus IOL ) regarding the…
- Trial name
- NCT05647421
- Testing
- IOL implantation
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cairo University
Cataract, Presbyopia
Clinical Trial With PRECIZON Presbyopic
The purpose of this clinical trial is to evaluate the effectiveness of the PRECIZON Presbyopic.
- Trial name
- NCT02409771
- Testing
- PRECIZON Presbyopic
- Where
- 6 sites in Belgium, Germany and 3 more
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Ophtec BV
High Myopia
Accuracy of Intraocular Lens Power in High Myopia
evaluation of the accuracy of iol power in high myopia using different biometry formula \& iol master
- Trial name
- NCT03394300
- Testing
- iol power calculation
- Volunteers
- 30 people
- Sponsor
- Assiut University
Lenses, Intraocular
Visual Acuity After Using A New Monofocal Intraocular Lens Compared To Standard Monofocal Lens
This is a prospective comparative interventional clinical study, that took place from January 2021 to November 2021. Twenty patients (20) were enrolled in this study 10 patients in each group.
- Trial name
- NCT05430295
- Testing
- phacoemulsification, monofocal intraocular lens implantation
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Cataract, Uveitis
Safety and Efficacy of a Heparin-Coated Intraocular Lens in Uveitis
To investigate the safety and efficacy of a heparin surface-modified intraocular lens in patients with uveitis undergoing cataract surgery.
- Trial name
- NCT00000119
- Testing
- Heparin Surface-Modified Intraocular Lens
- Where
- United States
- Sponsor
- National Eye Institute (NEI)
Tilt and Decentration
Comparison of Methods for Assessing Intraocular Lens Position
Prospective, multi-center, non-interventional, open label, clinical study.
- Trial name
- NCT07218419
- Testing
- IOL Decentration Assessment
- Where
- 2 sites in United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
Intraocular Lens Rotation, Capsular Tension Ring
Combined Capsular Tension Ring and IOL Implantation for Management of Cataracts
This study included cataract patients who underwent intraocular lens (IOL) implantation with or without capsular tension ring (CTR), which aimed to evaluate the contribution of the use of CTR in clinical visual outcomes and…
- Trial name
- NCT05530473
- Testing
- capsular tension ring
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Eye & ENT Hospital of Fudan University
Healthy
Comparability of Keratometry of VERION Image Guided System With Established Measuring Devices
The purpose of this study is to determine if the keratometric functions of the VERION Image Guided System are comparable to those of established keratometric devices (IOLMaster 500, Pentacam HR, LenStar LS900).
- Trial name
- NCT02377154
- Testing
- Slit lamp, Autorefractor, IOLMaster 500
- Where
- Germany
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
Cataract
Visual Quality of Cataract Patients with High Myopia After Implantation of Different Intraocular Lenses
This prospective study aims to compare the visual outcomes following the implantation of two different types of multifocal intraocular lenses (IOLs) in highly myopic patients.
- Trial name
- NCT06892470
- Testing
- No intervention
- Where
- China
- Volunteers
- 62 people
- Sponsor
- Wenzhou Medical University
Cataract, Pseudoaphakia
Intraocular Lens-shell Technique in Phacoemulsification
In this study, the investigators introduce a surgical procedure called "IOL-shell technique" in the purpose of reduce complications of surgeries for dense cataract, and report a prospective randomized controlled study aiming at…
- Trial name
- NCT02138123
- Testing
- IOL-shell technique, Conventional procedure
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Sun Yat-sen University
Cataract
Visual Performance With a Hydrophobic Aspheric Monofocal IOL
Artificial lenses, otherwise known as intraocular lenses (IOLs), are used to replace the natural crystalline lens within the eye during cataract or refractive lens surgery.
- Trial name
- NCT03819582
- Testing
- EyeCee One intraocular lens
- Where
- United Kingdom
- Volunteers
- 100 people
- Sponsor
- University of Plymouth
Cataract
Evaluation of 3 Intraocular Lenses Following Lens Extraction
The objective of this study is to evaluate the efficacy and subject satisfaction with three different FDA approved lenses for adults over 40 years of age who desire a reduction in spectacle dependence.
- Trial name
- NCT01122576
- Testing
- Crystalens AO, ReSTOR, Tecnis Multifocal IOL
- Where
- United States
- Volunteers
- 78 people
- Sponsor
- Bausch & Lomb Incorporated
Marfan's Syndrome With Ocular Manifestations, Pseudoexfoliation Syndrome
The Oscillation of Crystalline and Intraocular Lenses
The crystalline lens of the human eye helps to sharpen vision. There can be issues with the support/stability of the lens. This could be seen with the naked eye of an external observer or with the use of a slit lamp.
- Conditions
- Marfan's Syndrome With Ocular Manifestations, Pseudoexfoliation Syndrome, Cataract, Phakodonesis
- Trial name
- NCT04274634
- Where
- 2 sites in United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Anglia Ruskin University
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
Cataract
Clinical Performance of the Asqelio™ Trifocal Diffractive Intraocular Lens
The goal of this observational study is to evaluate whether the Asqelio™ Trifocal intraocular lens (IOL) can improve refractive outcomes and optical quality in patients (aged ≥45 years) undergoing cataract surgery or clear lens…
- Trial name
- NCT06935565
- Testing
- Trifocal IOL implantation
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- AST Products, Inc.
Fuch's Endothelial Dystrophy, Cataracts
Study of the Effect of Aspheric Lenses in Patients With Fuch's Dystrophy
The proposed study will recruit patients with mild to moderate Fuch's dystrophy who need cataract surgery alone. They will be randomly assigned to receive either spheric or aspheric lenses.
- Trial name
- NCT02109276
- Testing
- Spheric Sensar(R) 3-piece IOL, Aspheric Tecnis(R) 3-piece IOL
- Where
- Canada
- Sponsor
- Queen's University
Secondary Cataract Surgery, Aphakia
Comparison of Two Different Intraocular Lenses Implanted With Yamane Technique
In case of instability or rupture of capsular bag occurs during cataract surgery, Yamane technique is one of the options to fix intracocularlens' haptics.
- Conditions
- Secondary Cataract Surgery, Aphakia, Complicated Cataract Surgery
- Trial name
- NCT05912829
- Testing
- IOL Master 700, Casia-2, MS-39
- Where
- 2 sites in Austria
- Volunteers
- 50 people
- Sponsor
- Johannes Kepler University of Linz
Cataract, Lens Opacities
Clinical Study to Compare Visual Performance of Two Trifocal IOLs
Prospective, randomised, controlled, single-surgeon, single-center post-market clinical follow up study to compare the clinical outcomes of two trifocal IOLs with different material
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- PHY1702 (NCT03347981)
- Testing
- IOL implantation experimental, IOL implantation active comparator
- Where
- Spain
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.