Clinical trials: Pseudophakia
Cataract, Pseudophakia
Retrospective, Non-interventional Clinical Investigation of the Safety and Performance of 640AD Monofocal Intraocular Lens
Medicontur hydrophilic posterior chamber monofocal intraocular lens (IOL) is indicated to improve vision at far distance in adults with cataract and/or ametropia (hyperopia, myopia), secondarily to removal of the crystalline…
- Trial name
- NCT06578910
- Testing
- Standard of care, Patient satisfaction questionnare
- Where
- Hungary
- Volunteers
- 80 people
- Sponsor
- Medicontur Medical Engineering Ltd
Astigmatism High Both, Pseudophakia
Toric Trifocal IOL Treatment With High Astigmatism and Hyperopia vs SMILE Enhancement After Trifocal IOL Treatment
The aim of this study is to assess visual and refractive outcomes after Toric Trifocal lens implantation and visual outcomes after laser vision correction (LVC) - ReLex Smile to correct residual refraction after 6 months of Toric…
- Conditions
- Astigmatism High Both, Pseudophakia, Hyperopia
- Trial name
- NCT04468022
- Testing
- Toric Trifocal IOL
- Where
- Kosovo
- Volunteers
- 40 people
- Sponsor
- Eye Hospital Pristina Kosovo
Cataract, Pseudophakia
Evaluation Study for a Non-Contact Biometer
The purpose of this study is to determine whether a new non-contact biometer, is as accurate as the the available gold-standard.
- Conditions
- Cataract, Pseudophakia, Myopia, Hyperopia
- Trial name
- NCT00494390
- Where
- Switzerland
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Posterior Capsule Opacification, Pseudophakia
IOL Position and Refractive Change After Nd:YAG Laser Posterior Capsulotomy
After cataract surgery, the thin natural membrane that holds the artificial lens in place can slowly turn cloudy. This is called posterior capsule opacification. It makes vision blurry and can cause glare.
- Conditions
- Posterior Capsule Opacification, Pseudophakia, Refractive Errors
- Trial name
- YAG-IOL-POS (NCT07802145)
- Testing
- Nd:YAG laser posterior capsulotomy, Anterior segment swept-source OCT, Swept-source optical biometry
- Where
- Austria
- Volunteers
- 80 people
- Sponsor
- Vienna Hospital Association
Pseudophakia
Visual Outcomes and Patient Satisfaction With Bilateral PanOptix Verses Bilateral Synergy
Background: The Tecnis Synergy intraocular lens (IOL) has a claim to allow patients to experience continuous high-contrast vision from far through near even in low-light conditions.
- Trial name
- NCT06041139
- Testing
- Visual Acuity, Defocus Curve, Halo and Glare testing
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Berkeley Eye Center
Presbyopia, Pseudophakia
Synergy Lens Outcomes Evaluation
This is a single visit study to evaluate the visual outcomes and patient satisfaction of patients who were bilaterally implanted with the Tecnis Synergy IOL between June 1 and December 31, 2021 in 2 centers in USA
- Trial name
- NCT05418153
- Testing
- Tecnis Synergy IOL
- Where
- 2 sites in United States
- Volunteers
- 52 people
- Sponsor
- Center For Sight
Cataract, Presbyopia
Comparison of Two Aspheric Intraocular Lenses for Micro-monovision
In an aging population, cataract and presbyopia become increasingly common. A cataract develops when the natural crystalline lens inside a person's eye, becomes cloudy over time, causing reduction of vision.
- Conditions
- Cataract, Presbyopia, Pseudophakia
- Trial name
- NCT05531110
- Testing
- Cataract surgery with insertion of Eyhance ICB00, Cataract surgery with insertion of Alcon SN60WF
- Where
- United Kingdom
- Volunteers
- 140 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Cataract, Pseudophakia
Retrospective, Non-interventional, Comparative Clinical Investigation of the Safety and Performance of 690AD and 690ADY Monofocal Intraocular Lens Implantation With Extended Patient Enrolment
Medicontur hydrophilic posterior chamber monofocal intraocular lens (IOLs) are indicated to improve vision at far distance in adults with cataract and/or ametropia (hyperopia, myopia), secondarily to removal of the crystalline…
- Conditions
- Cataract, Pseudophakia, Intraocular Lens Complication, Intraocular Lens Opacification
- Trial name
- NCT06578923
- Testing
- Standard of care, Patient satisfaction questionnare
- Where
- 2 sites in Hungary
- Volunteers
- 51 people
- Sponsor
- Medicontur Medical Engineering Ltd
Capsule Opacification, Pseudophakia
Posterior Capsule Opacification and Frequency of Nd:YAG Treatment and of Two Microincision IOLs: Hoya iMics NY-60 vs Acrysof SN60WF
Age-related cataract is the main cause of impaired vision in the elderly population worldwide. In the UK, more than half of people who are over 65 have some cataract development in one or both eyes.
- Conditions
- Capsule Opacification, Pseudophakia, Cataract
- Trial name
- NCT01732484
- Testing
- intraocular lens implantation
- Volunteers
- 100 people
- Sponsor
- Medical University of Vienna
Dysphotopsia, Posterior Capsule Opacification
Clinical Evaluation of Low Contrast Visual Performance and Low Light Phenomena in Patients With Various Intraocular Lens Implants
The goal of this clinical investigation is to evaluate visual acuity and contrast sensitivity in low lighting conditions using several different testing devices, and measure nighttime side effects of intraocular lens (IOL)…
- Conditions
- Dysphotopsia, Posterior Capsule Opacification, Visual Acuity, Visual Function
- Trial name
- NCT07213167
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Dr. Daniel H. Chang, MD
Inflammation, Pseudophakia
Clinical Outcomes of Bromday (Bromfenac Ophthalmic Solution) 0.09% QD vs. Nevanac (Nepafenac Ophthalmic Suspension) 0.1%
This is a single-center, randomized, investigator-masked, parallel group, and active-comparator controlled study investigating the clinical outcomes for visual acuity and macular thickness after treatment with Bromday (bromfenac…
- Trial name
- NCT01310127
- Testing
- Bromfenac, Nepafenac
- Volunteers
- 23 people
- Sponsor
- Toyos Clinic
Lenses, Intraocular, Pseudophakia
Intermediate Vision in a Driving Simulator Environment: Comparison of the J&J EYHANCE With a Conventional Monofoc. IOL
To compare (low contrast) visual acuity (VA) and contrast sensitivity (CS) - both at intermediate distances under nighttime driving conditions in a driving simulator between patients with bilateral EYHANCE IOLs OR bilateral…
- Conditions
- Lenses, Intraocular, Pseudophakia, Near Vision, Driving
- Trial name
- JJ-EYHANCE (NCT04059289)
- Testing
- Posterior chamber intraocular lens (IOL)
- Where
- Germany
- Volunteers
- 11 people
- Sponsor
- Aalen University
Pseudophakia
Reading Quality in Three Different Patient Groups
Influence of different ophthalmic conditions after cataract surgery (extended range of vision IOL (EROV) with micromonovision, minimonovision with standard IOL and single focus distance vision with standard IOL) on reading…
- Trial name
- NCT03751241
- Testing
- EyeTracker
- Where
- Austria
- Volunteers
- 45 people
- Sponsor
- Prim. Prof. Dr. Oliver Findl, MBA
Cataract Bilateral, Lens, Intraocular
Evaluation of Visual Function After Bilateral Implantation of EDOF IOLs
Since intermediate vision is becoming increasingly important in our day-to-day tasks, a new IOL was introduced (Acunex Vario) with this objective in mind.
- Conditions
- Cataract Bilateral, Lens, Intraocular, Lens Implantation, Intraocular, Pseudophakia
- Trial name
- Vario-NL (NCT05335408)
- Testing
- Acunex Vario intraocular lens, Alcon AcrySof IQ Vivity intraocular lens
- Where
- Netherlands
- Volunteers
- 32 people
- Sponsor
- Maastricht University Medical Center
Dry Eye Syndromes
The Effects of BAK on the Blood Aqueous Barrier of Pseudophakic Patients
BAK is one of the most frequent preservatives in eye drops. BAK is a quaternary ammonium salt with surfactant qualities. It can be bacteriostatic or bactericidal depending on the concentrations used.
- Trial name
- NCT01280110
- Testing
- Hydroxypropylmethylcellulose, Carboxymethylcellulose
- Where
- Brazil
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Cataract, Pseudophakia
Effect of Optic Edge Design in a Silicone Intraocular Lens on Posterior Capsule Opacification
Purpose: To compare the posterior capsule opacification (PCO) inhibiting effect of the sharp posterior optic edge design of the Clariflex silicone intraocular lens (IOL) with that of the double-round edge design of the SI40…
- Trial name
- NCT00428363
- Testing
- Cataract surgery with implantation of an intraocular lens
- Where
- Austria
- Volunteers
- 52 people
- Sponsor
- Medical University of Vienna
Congenital Cataract, Microphthalmos
Biometric Characteristics of the Eye With Microcornea/Microphthalmia and Congenital Cataract Before And After Cataract Extraction
Early cataract surgery in microcornea/microphthalmia eyes is essential to prevent amblyopia and improve visual outcomes, including stereopsis.
- Conditions
- Congenital Cataract, Microphthalmos, Microcornea
- Trial name
- NCT04759560
- Where
- Egypt
- Volunteers
- 133 people
- Sponsor
- Alexandria University
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
Primary Open-angle Glaucoma
Safety and Tolerability of a Timolol Releasing Intraocular Implant in Subjects With Primary Open-angle Glaucoma
The purpose of this study is to test a new method to deliver an approved medicine called Timolol in the eye of participants with glaucoma and pseudophakia (currently present or to be performed during the concomitant implantation…
- Trial name
- NCT06321562
- Testing
- TimoD implant, Injector system
- Where
- 5 sites in Germany
- Volunteers
- 1 people
- Sponsor
- EyeD Pharma
Presbyopia, Pseudophakia
Efficacy of Pilocarpine 1% in Presbyopia
In this before-after interventional study on patients with presbyopia after cataract surgery, uncorrected distance vision and corrected distance visual acuity are measured and recorded by Snellen chart.
- Trial name
- NCT05578001
- Testing
- Pilocarpine Ophthalmic
- Where
- Iran
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Isfahan University of Medical Sciences