Clinical trials: Lens Implantation, Intraocular
Cataract Senile
Comparision of Visual Outcomes and Patient Satisfaction Between Two Diffractive Trifocal Intraocular Lenses
The purpose of the present study was to compare the clinical outcomes such as visual function, refraction errors and visual quality of patients undergoing cataract surgery with implantation of two different models of diffractive…
- Trial name
- NCT04655274
- Testing
- The Quality of Vision questionnaire
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Akdeniz University
Cataract
Glistenings and PCO Evaluation for the Envista MX60
Posterior capsule opacification (PCO) and glistenings development is among the primary reasons for sub-optimal visual capacity following cataract extraction surgery.
- Trial name
- NCT02698943
- Testing
- Phacoemulsification
- Volunteers
- 60 people
- Sponsor
- Democritus University of Thrace
Cataract, Presbyopia
Retrospective / Prospective Clinical Study of AcrySof® IQ ReSTOR® +2.5 D Multifocal Toric Intraocular Lenses
The purpose of this study is to characterize the safety and effectiveness of the ACRYSOF IQ ReSTOR +2.5 diopter (D) Multifocal Toric Intraocular Lens (IOL) in subjects at least 3 months and no more than 14 months after IOL…
- Conditions
- Cataract, Presbyopia, Corneal Astigmatism
- Trial name
- NCT02176343
- Testing
- AcrySof® IQ ReSTOR® +2.5 D Multifocal Toric IOL
- Volunteers
- 37 people
- Sponsor
- Alcon Research
Cataract
Evaluation of Seelens AF, an Aspheric Intra-ocular Lens
Senile cataract is managed by cataract extraction and intra-ocular lens (IOL) implantation. The purpose of this study is to evaluate the safety and efficacy of the SeeLens AF, an acrylic hydrophilic aspheric IOL.
- Trial name
- NCT00825747
- Testing
- SeeLens AF intra-ocular lens
- Where
- 2 sites in Israel
- Sponsor
- Hanita Lenses
Corneal Astigmatism in Cataract Patients and Previous DALK
Effectiveness of Toric Intraocular Lenses for Treating Corneal Astigmatism in Patients With Cataract and Previous DALK
the purpose of this study was to assess the efficacy of custom made toric intraocular lens implantation in patients with simultaneous post-DALK high corneal astigmatism and cataract.
- Trial name
- NCT03398109
- Testing
- Customized toric IOL for post-DALK atigmatism
- Volunteers
- 10 people
- Sponsor
- Fondazione G.B. Bietti, IRCCS
Cataract
Comparison of Visual Outcomes After Implantation of the POD FT and the POD F
There is no difference of the photic phenomena in the two groups. The study will be a prospective non-randomised controlled study. The target is then to determine the equivalence in the glare.
- Trial name
- PoyPODF/FT (NCT04943809)
- Testing
- POD 26P AY FT, POD 26P AY F
- Where
- Spain
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Cataract
Long-term With a Trifocal Intraocular Lens
The main aims of this study were to evaluate the patient reported outcomes (PROs), safety and efficacy, after 6-year (66 - 78 months) from the binocular implantation of the AT LISA tri 839MP.
- Trial name
- NCT04861909
- Testing
- AT LISA tri 839MP
- Where
- Spain
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Qvision, Ophthalmology Department
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
Performance of Two Hydrophobic IOLs
Comparison of the capsular bag performance of two hydrophobic intraocular lenses of different design.
- Trial name
- NCT05639049
- Testing
- Enova GF3, Tecnis 1-piece ZCB00
- Where
- Austria
- Volunteers
- 45 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
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
Corneal Endothelial Cells
Corneal Endothelial Assessment After Posterior Chamber Phakic Intraocular Lens Implantation
our primary aim of the work to assess the effect of phakic IOL implantation on corneal endothelium. we also used the specular microscope to assess the corneal endothelium
- Trial name
- NCT06849375
- Testing
- phakic IOL implantation
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Sohag University
Cataract, Lens Opacities
Clinical Investigation of the Multifocal IOL POD F GF in Cataracteous Eyes
To evaluate effectiveness and safety of the POD F GF Intraocular Lens (IOL) when implanted to replace the natural lens following cataract removal
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- NCT04699266
- Testing
- Assigned Intervention (POD F GF)
- Where
- Japan
- Volunteers
- 23 people
- Sponsor
- Beaver-Visitec International, Inc.
Cataract
Lenstec Softec HD Posterior Chamber Intraocular Lens Clinical Investigational Protocol
The objectives of this multi-center clinical investigation are to determine the safety and effectiveness of the Lenstec Softec HD Posterior Chamber intraocular lens (IOL) following one year of post-operative assessment.
- Trial name
- NCT00963742
- Testing
- Lenstec Softec HD IOL implantation
- Volunteers
- 390 people, healthy volunteers welcome
- Sponsor
- Lenstec Incorporated
Cataract
Optimizing the Assessment of Refractive Outcomes After Cataract Surgery
The purpose of this study is to evaluate current available assessments (automated vs. manual) with which manifest refraction data and biometric variables are obtained to understand if data from an automated refractor can be…
- Trial name
- NCT02842151
- Testing
- Manifest refraction, ACRYSOF® IQ Monofocal IOL Model SN60WF, Topcon® KR-1W Wave-Front Analyzer
- Volunteers
- 162 people
- Sponsor
- Alcon Research
Cataract, Pseudophakia
Correlation Between Sulcus Anatomy and Other Parameters After Horizontal & Vertical Intraocular Lens (IOLs) Placements
Usually following cataract surgery patients would expect to have normal distance vision and not require the use of distance glasses. However, in clinical practice desired vision post cataract surgery is not achieved sometimes.
- Trial name
- NCT04208633
- Testing
- Horizontal placement of the intraocular lens in the capsular bag, Vertical placement of the intraocular lens in the capsular bag
- Where
- United Kingdom
- Volunteers
- 46 people
- Sponsor
- Brighton and Sussex University Hospitals NHS Trust
Lenses, Intraocular
Tolerance to Residual Astigmatism in Eyes With Vivity®
Low amounts of postoperative residual astigmatism may worsen the visual performance of patients implanted with presbyopia- correcting intraocular lenses (IOLs).
- Trial name
- NCT05392998
- Testing
- Cataract surgery with Vivity intraocular lens implantation
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- Clínica Rementería
Cataract, Presbyopia
MULTICENTER, DOUBLE-ARM, PATIENT AND ASSESSOR-MASKED, PROSPECTIVE, RANDOMIZED CLINICAL TRIAL TO COMPARE VISUAL PERFORMANCE OF NEGATIVE AND NEUTRAL ASPHERIC MONOFOCAL INTRAOCULAR LENSES
The purpose of this study is to compare the binocular distance, intermediate, and near visual acuity and patient reported outcomes of the Johnson \&Johnson Eyhance and Bausch \& Lomb enVista IOLs.
- Trial name
- NCT07385014
- Testing
- Neutral Aspheric Monofocal IOL, Negative Aspheric Monofocal IOL
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Milton S. Hershey Medical Center
Cataract
Visual Performance With a Trifocal Intraocular Lens
The purpose of this study is to evaluate the visual performance of a trifocal intraocular lens at distance, near and intermediate viewing, by way of visual acuity measurement, contrast sensitivity.
- Trial name
- NCT01605058
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- BMI Southend Hospital
Cataract
Symfony Intraocular Lens Retrospective Chart Review
Retrospective chart review of patients with pre-existing ocular pathology who underwent cataract surgery with implantation of the Symfony IOL.
- Trial name
- NCT05111106
- Testing
- Symfony IOL
- Volunteers
- 463 people
- Sponsor
- Austin Eye
To Study the Influence of an Multifocal Intraocular Lens With Different Addition on Intermediate Visual Acuity
Visual Performance of New Apodized Diffractive Multifocal IOL With Addition of Plus Three
The purpose of the study is to determine whether implantation of a multifocal IOL with a modified addition at lens plane(Restor +3) results in better intermediate visual acuity with similar performance at distance and near…
- Trial name
- NCT01027533
- Testing
- Implantation of a multifocal Intraocular lens
- Where
- Brazil
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo