Clinical trials: Pseudophakia
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
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
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
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
Cataract, Signs and Symptoms
Spherical Aberration and Contrast Sensitivity in IOLs
Purpose: To determine whether implantation of an intraocular lens (IOL) with a modified anterior aspheric surface results in reduced spherical aberration and improved contrast sensitivity after cataract surgery.
- Conditions
- Cataract, Signs and Symptoms, Pseudophakia, Lens Diseases
- Trial name
- IOLs (NCT00576485)
- Testing
- Cataract surgery and intraocular lens implantation
- Where
- Brazil
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Federal University of Minas Gerais
Presbyopia, Pseudophakia
Pilocarpine and Brimonidine in Patients With Monofocal Lenses
The current study aims to assess the use of pilocarpine and brimonidine to improve near visual acuity in patietns with monofocal intraocular lenses.
- Trial name
- NCT03825081
- Testing
- Brimonidine, pilocarpine
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Presbyopia, Pseudophakia
Visual Outcomes After Extended Depth of Focus Intraocular Lens Implantation With and Without Digital Assistance
The primary objective of this study is to compare the postoperative visual acuity curves of patients that underwent one of the following surgical procedures: Insertion of an extended depth of focus intraocular lens with digital…
- Conditions
- Presbyopia, Pseudophakia, Cataract, Refractive Errors
- Trial name
- NCT06460389
- Testing
- Visual Acuity Assessment
- Where
- Greece
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Cataract, Age Related Macular Degeneration
Polarization Perception in Health and Disease. Testing a New Sight Test
A study to assess the utility of human polarization pattern perception for the detection, diagnosis and monitoring of eye disease
- Conditions
- Cataract, Age Related Macular Degeneration, Pseudophakia, Macular Disease
- Trial name
- TaNSiT (NCT03823092)
- Testing
- polarization sensitivity
- Where
- United Kingdom
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- South Warwickshire NHS Foundation Trust
Presbyopia, Pseudophakia
Identification of Minimum Focal Points in Vision Curve Formation
The primary objective of this study is to identify how many focal points and at which distances are necessary for reliable visual curve formation and area of the curve (AoC) calculation using mathematical models and comparing the…
- Conditions
- Presbyopia, Pseudophakia, Cataract, Refractive Errors
- Trial name
- NCT06260852
- Testing
- Diagnostic Test: Visual Acuity Assessment
- Where
- Greece
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Pseudophakia
An Open-Label Evaluation of Degree of Accommodation in Pseudophakic Patients Bilaterally Implanted With Monofocal Intraocular Lenses
This study will determine the ability of three different intraocular lenses to accommodate in patients who have previously undergone bilateral intraocular lens implantation.
- Trial name
- NCT01004549
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Innovative Medical
Pseudophakia
Visual Outcomes and Patient Satisfaction With Vivity IOL in Post Refractive Patients
This is a non-interventional, prospective, observational study of the outcomes for post myopic refractive surgery patients following successful, uncomplicated cataract surgery with bilateral implantation of the Vivity IOL…
- Trial name
- NCT06064916
- Testing
- Visual Acuity, Defocus Curve, Intraocular Lens Satisfaction (IOLSAT) Questionnaire
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Berkeley Eye Center
Vision Disorders
Modification in Cortical Activation in Pseudophakic Patients With Visual Difficulties After a Multifocal Implantation
This study will highlight differences in cortical activation between asymptomatic and symptomatic patients.
- Trial name
- PlainteIMF (NCT02529098)
- Testing
- fMRI
- Where
- France
- Volunteers
- healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
Cataract Senile, Pseudophakia
Tecnis Eyhance Versus Rayner RayOne Study
Cataract surgery involves replacing milky lens with a plastic intraocular lens. This plastic lens can be either monofocal (fixates for distance or near without glasses), extended depth of focus (EDOF)(fixates for intermediate and…
- Trial name
- NCT04175951
- Testing
- Intraocular lens
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Brighton and Sussex University Hospitals NHS Trust
Cataract, Aphakic Eye
Comparative Study of the Tomey OA-2000, Tomey CASIA2, and the LenStar LS900
This is a prospective comparative study that will be conducted at one clinical site in the United States, in which subjects who sign an informed consent form and fulfil all inclusion and exclusion criteria, will have OCT scans…
- Conditions
- Cataract, Aphakic Eye, Pseudophakia
- Trial name
- NCT06065072
- Testing
- Optical measurement
- Where
- United States
- Volunteers
- 167 people, healthy volunteers welcome
- Sponsor
- Tomey Corporation
Pseudophakia
Maximizing Visual Outcomes With Eyhance IOLs
This is a non-interventional prospective, single center, bilateral, non-randomized, open-label, observational clinical study. All patients will have had bilateral implantation of an Eyhance IOL at the time of cataract surgery.
- Trial name
- NCT05611073
- Testing
- Visual Acuity, Biometric Data Collection, Patient Questionnaire
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Berkeley Eye Center
Cataract, Pseudophakia
Wavefront Analisys and Contrast Sensitivity of Spherical and Aspherical Intraocular Lenses
Purpose:To compare visual performance, total and high order wavefront aberrations (coma, spherical aberration and other terms) and contrast sensitivity in eyes implanted with one monofocal aspheric intraocular lens (IOL) and two…
- Trial name
- NCT00347243
- Testing
- phacoemulsification (cataract surgery)
- Where
- Brazil
- Volunteers
- healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Pseudophakia
Intermediate Vision in Patients With Clareon IOLs Compared to Eyhance IOLs
Compare visual outcomes in patients with bilateral Clareon Monofocal IOLs versus bilateral Eyhance IOLs.
- Trial name
- NCT05226884
- Testing
- Visual Acuity, Defocus Curve
- Where
- United States
- Volunteers
- 310 people, healthy volunteers welcome
- Sponsor
- Berkeley Eye Center
Pseudophakia, Cataract Surgery
Randomized, Masked Comparison of Bromfenac and Besifloxacin BID With Either Prednisolone BID or Loteprednol 0.5% BID for Prevention of Retinal Thickening and CME Following Phacoemulsification
The purpose of this study is to determine if Lotemax eye drops are at least as effective as Pred Forte eye drops, which are the standard of care after cataract surgery.
- Trial name
- NCT01193504
- Testing
- Pred Forte, Lotemax
- Where
- 3 sites in United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Innovative Medical