Clinical trials: Intraocular Lens Implant
Cataract
A Comparison of Visual Function After Bilateral Implantation of Presbyopia-Correcting Intraocular Lenses (IOLs)
The purpose of this study is to evaluate visual and refractive parameters in a series of subjects bilaterally implanted with presbyopia-correcting intraocular lenses (IOLs) during cataract surgery.
- Trial name
- NCT01257217
- Testing
- AcrySof® IQ ReSTOR® +3.0 D Multifocal IOL Model SN6AD1, AcrySof® IQ ReSTOR® +3.0 D Multifocal Toric IOL Model SND1TT, Acri.LISA® 366D IOL
- Volunteers
- 31 people
- Sponsor
- Alcon Research
Age Related Cataracts
Posterior Capsule Opafication of Different Hydrophobic Acrylic Intraocular Lenses: Vivinex iSert P261 vs.Clareon IOL
On the day of surgery, the first eye to be operated is randomised to receive a Vivinex , HOYA Surgical Optics GmbH or an Clareon, Alcon, Fort Worth, Texas. The second eye to be operated receives the other IOL type.
- Trial name
- Clarinex (NCT04369482)
- Testing
- Alcon Clareon, Hoya Vivinex
- Where
- Austria
- Volunteers
- 100 people
- Sponsor
- Medical University of Vienna
Cataract Extraction
Surgical Outcomes After Routine Cataract Extraction & Implantation of a Conventional or Spheric Intraocular Lens
To determine quality of vision post cataract extraction and intraocular lens (IOL) implantation of 2 different acrylic intraocular lenses: Acrysof® Single-Piece IOL and Acrysof® WF, through evaluation of contrast sensitivity…
- Trial name
- NCT00366496
- Testing
- Acrysof single piece (SA60AT), Acrysof IQ (SN60WF)
- Volunteers
- 30 people
- Sponsor
- Medical University of South Carolina
Cataracts
Intra-operative Measurements to Predict the Position of the Intraocular Lens Post-operatively
Refractive outcome after cataract surgery mainly depends on the prediction of the intraocular lens that is implanted in the eye during surgery.
- Trial name
- NCT01867541
- Volunteers
- 70 people
- Sponsor
- Prim. Prof. Dr. Oliver Findl, MBA
Bilateral Cataract
ACRYSOF® Toric NATURAL T9 Intraocular Lens (IOL)
The purpose of this study is to describe rates of spatial distortions related to intraocular lens (IOL) misalignment for ACRYSOF® Single-Piece Toric NATURAL IOL Model SN60T9 when implanted bilaterally into the capsular bag…
- Trial name
- NCT00967473
- Testing
- ACRYSOF® Single-Piece NATURAL Toric IOL Model SN60T9 and Model SN60T8.
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Alcon Research
Age-related Cataract
IOL-capsular Complex After Different Intraocular Lenses Implantation in Patients With High Myopia
The IOL-capsular complex is formed after cataract surgery and intraocular lens (IOL) implantation. Early postoperative mechanical wrapping of the anterior and posterior capsules plays a significant role in preventing IOL…
- Trial name
- NCT05255796
- Testing
- one-piece, plate-haptic
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Wenzhou Medical University
Cataract in Child
Aspheric Monofocal Intraocular Lens in Pediatric Patients
To evaluate the performance a new aspheric monofocal intraocular lens (IOL) with higher order aspheric optic for far, intermediate, and near vision, in pediatric patients after monolateral cataract surgery.
- Trial name
- NCT06153745
- Testing
- Tecnis Eyhance ICB00 intraocular lens (Johnson&Johnson Vision, Santa Ana, California USA)
- Where
- Italy
- Volunteers
- 13 people
- Sponsor
- Luca Buzzonetti
Corneal Astigmatism
Retrospective Chart Review of enVista Toric 0.9D Intraocular Lenses
The primary objective of this study is to evaluate the performance of the enVista Toric 0.9D vs non-Toric IOL.
- Trial name
- NCT05075746
- Testing
- enVista Toric, enVista non-Toric (spherical)
- Where
- 3 sites in Canada
- Volunteers
- 302 people
- Sponsor
- Bausch & Lomb Incorporated
Cataract, Presbyopia
Comparison of Two Different Optical Biometric Systems
Primary objective of this study is to evaluate and compare the measurements of two different optical biometrics systems in patients who will undergo cataract surgery or presbyopia surgery using intraocular lenses (IOL-PC).
- Conditions
- Cataract, Presbyopia, Ocular Biometry, Intraocular Lens
- Trial name
- NCT05411341
- Testing
- Argos (Alcon Laboratories, Inc.), IOLMaster 500 (Carl Zeiss Meditec AG)
- Where
- Greece
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Cataract
Post Approval Study to Evaluate the Trulign™ Toric Posterior Chamber IOL
To evaluate the incidence of IOL vaulting (ie, position change) of the Trulign™ Toric IOL following cataract surgery.
- Trial name
- NCT02394379
- Testing
- Trulign™ Toric IOL
- Where
- United States
- Volunteers
- 600 people
- Sponsor
- Bausch & Lomb Incorporated
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
Comparison of In-the-bag Stability Between Single-piece and Three-piece Intraocular Lens
Rapid advances of cataract surgery techniques and intraocular lens (IOL) technology have enabled the transition of cataract surgery from blindness relief to refractive correction.
- Trial name
- NCT02609997
- Testing
- Phacomulsification lens removal cataract surgery with single-piece Intraocular lens(IOL) implantation, Phacomulsification lens removal cataract surgery with three-piece Intraocular lens(IOL) implantation, Subconjunctival dexamethasone
- Where
- China
- Volunteers
- 65 people
- Sponsor
- Sun Yat-sen University
Cataract Senile
Evaluation of an Hydrophilic Acrylic Intraocular Lens
Evaluation of the clinical safety and effectiveness of hydrophilic acrylic intraocular lens
- Trial name
- NCT04793789
- Testing
- monofocal toric lens
- Where
- France
- Volunteers
- 249 people
- Sponsor
- Carl Zeiss Meditec AG
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
the Accuracy of Intraocular Lens Calculation Formula
Study on the Accuracy of Intraocular Lens Calculation Formula
In this study, we will retrospectively collect patients who have performed phacoemulsification combined with intraocular lens implantation in our hospital, collect various preoperative biometric data and postoperative refractive…
- Trial name
- NCT05672693
- Testing
- Several Calculation Formulas of Intraocular Lens
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Macular Degeneration
Influence of Blue Light Filtering Intraocular Lenses on Daytime Levels of Melatonin
The "blue light hazard" has been reported to cause retinal damage (oxidative stress), particularly to the central fovea due to its energetic, shorter wavelength visible photons, which is why blue-light filtering intraocular…
- Trial name
- BluMel (NCT00444249)
- Testing
- White Alcon IOL, Yellow Alcon IOL, White Hoya IOL
- Where
- Austria
- Volunteers
- 136 people
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Cataract
Clinical Investigation of OMEGA Gemini Capsule, Model Gemini IV With an Approved Monofocal or Toric IOL
This study is a prospective, randomized, controlled, paired eye, subject-masked design.
- Trial name
- NCT04058314
- Testing
- Gemini IV, Control Eye
- Where
- Costa Rica
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Omega Ophthalmics
Cataract
A Prospective Multicenter Clinical Study to Evaluate the Safety and Effectiveness of the Synchrony Dual Optic Intraocular Lens in Patients Undergoing Cataract Extraction
The purpose of the study is to determine if the Synchrony Dual Optic Accommodating Intraocular Lens can be used safely and effectively in post cataract extraction subjects
- Trial name
- NCT00425464
- Testing
- Standard Monofocal Intraocular Lens, Synchrony® Dual Optic Intraocular Lens
- Where
- 20 sites in United States
- Volunteers
- 410 people
- Sponsor
- Abbott Medical Optics
Cataract, High Myopia
Visual Outcomes of an Enhanced Monofocal Intraocular Lens Targeted for Monovision in Highly Myopic Eyes: a Randomized Controlled Trial
The goal of this clinical trial is to evaluate whether an enhanced monofocal intraocular lens targeted for monovision can improve visual outcomes in patients with cataract and high myopia (axial length ≥ 26 mm).
- Trial name
- NCT07168109
- Testing
- Enhanced monofocal intraocular lens implantation (monovision strategy), Enhanced monofocal intraocular lens implantation (bilateral myopia strategy)
- Volunteers
- 66 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Cataract
Comparative Study of Three IOL Power Calculation Formulae for Asian Eyes Shorter Than 22mm or Longer Than 25mm
Implantation of an intraocular lens is the gold standard in modern day cataract surgery. The appropriate lens power needed to achieve the desired refractive outcome can be calculated with a whole variety of formulas.
- Trial name
- NCT00347516
- Testing
- IOL calculation formula
- Where
- Singapore
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre