Clinical trials: Intraocular Sensitivity
Cataract
Spherical Aberration and Contrast Sensitivity Function in Eyes Implanted With Spherical and Aspheric Intraocular Lenses: A Clinical Trial
Aspheric intraocular lenses can effectively reduce higher-order aberrations and improve contrast sensitivity function after cataract surgery.
- Trial name
- NCT01028872
- Testing
- Intraocular lens
- Where
- Iran
- Sponsor
- Shahid Beheshti University of Medical Sciences
Cataract, Lens Opacities
PMCF Study on Monofocal Toric IOL (PODEYE TORIC)
This is a single-center, prospective, open-label PMCF study whereby patients undergoing routine cataract surgery will have mono- or bilateral implantation of hydrophobic acrylic monofocal toric intraocular lens PODEYE TORIC…
- Conditions
- Cataract, Lens Opacities, Astigmatism
- Trial name
- PHY2101 (NCT04744467)
- Testing
- IOL implantation experimental
- Where
- Czechia
- Volunteers
- 12 people
- Sponsor
- Beaver-Visitec International, Inc.
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
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
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
Glaucoma
Visual Function Changes After Intraocular Pressure Reduction
During the glaucomatous disease process, subpopulations of cells may be dead, damaged or healthy. Visual function changes could be observed due to a recovering of the suffering ganglion cells after the intraocular pressure…
- Trial name
- NCT00435058
- Testing
- timolol maleate 0,5%, brimonidine tartrate 0,2%, travoprost 0,004%
- Volunteers
- 54 people
- Sponsor
- University of Sao Paulo
Cataracts, Visual Acuity Reduced Transiently
The Incidence of Glistenings in the 2017 Intraocular Lenses Made by Alcon and Abbott Medical Optics
The purpose of this study is to seek academic/non-industry research funding support to independently investigate the incidence and density of lens glistenings in cataract patients who are implanted with the latest generations of…
- Conditions
- Cataracts, Visual Acuity Reduced Transiently, Loss of Visual Contrast Sensitivity, Functional Visual Loss
- Trial name
- NCT03409185
- Testing
- Alcon 1 piece SA60AT lens, AMO 1-piece AABOO lens
- Where
- Canada
- Volunteers
- 22 people
- Sponsor
- University of Toronto
Intraocular Lens
Visual Outcomes and Contrast Sensitivity in Patients Implanted With Tecnis Eyhance Intraocular Lens
To compare visual outcomes for various distances, reading speed, contrast sensitivity, glare occurence, defocus curve and subjective satisfaction in patients implanted with the extended depth of focus lens (Tecnis Eyhance) in one…
- Trial name
- NCT04800887
- Testing
- TECNIS Eyhance intraocular lens, Monofocal intraocular lens Tecnis ZCB00
- Where
- Czechia
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Faculty Hospital Kralovske Vinohrady
Cataract, Lens Opacities
PMCF Study on Monofocal Toric IOL (PODEYE TORIC) in Asia
This is a single-center, prospective, open-label PMCF study whereby patients undergoing routine cataract surgery will have mono- or bilateral implantation of hydrophobic acrylic monofocal toric intraocular lens PODEYE TORIC…
- Conditions
- Cataract, Lens Opacities, Astigmatism
- Trial name
- PHY2102 (NCT04778501)
- Testing
- IOL implantation experimental
- Where
- Philippines
- Volunteers
- 45 people
- Sponsor
- Beaver-Visitec International, Inc.
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
Choroiditis, Iridocyclitis
Evaluation and Treatment of Patients With Inflammatory Eye Diseases
This study offers evaluation and treatment for patients with inflammatory eye diseases, such as uveitis. The protocol is not designed to test new treatments; rather, patients will receive current standard of care treatments.
- Conditions
- Choroiditis, Iridocyclitis, Iritis, Retinal Disease
- Trial name
- NCT00006188
- Where
- United States
- Volunteers
- 300 people
- Sponsor
- National Eye Institute (NEI)
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
Uveitis
Uveitis/Intraocular Inflammatory Disease Biobank (iBank)
Background: Uveitis is a serious eye disease that can cause vision loss. Treatment sometimes causes serious side effects or does not work. Researchers want to learn more about uveitis and why some people develop it.
- Trial name
- NCT02656381
- Where
- United States
- Volunteers
- 343 people
- Sponsor
- National Eye Institute (NEI)
Cataract, Lens Opacities
Clinical Study to Investigate Outcomes of Trifocal Toric IOL POD FT in Asian Eyes
Prospective, controlled, single-surgeon, single-center clinical study to compare visual acuity outcomes to data obtained in a similar study by the same principal investigator on the trifocal IOL POD F (study no.
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- NCT03844828
- Testing
- IOL implantation experimental
- Where
- Philippines
- Volunteers
- 100 people
- Sponsor
- Beaver-Visitec International, Inc.
Visual Acuity
Visual Outcomes of a Segmental Refractive Multifocal Intraocular Lens
To evaluate visual outcomes of a segmental refractive multifocal intraocular lens (IOL) after cataract surgery.
- Trial name
- NCT03452969
- Testing
- Implantation of multifocal intraocular lens
- Where
- Germany
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University Clinic Frankfurt
Intraocular Lens, Cataract
Comparison of a Novel Non-diffractive Extended Depth of Focus Intraocular Lens (IOL) and a Trifocal IOL
The purpose of this study is to compare visual performance and quality of life (QOL) following bilateral implantation of a novel non-diffractive extended depth-of-focus (EDOF) intraocular lens (IOL) (AcrySof® IQ Vivity, Alcon…
- Conditions
- Intraocular Lens, Cataract, Quality of Life
- Trial name
- NCT05262504
- Testing
- İntraocular lens implantation
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people
- Sponsor
- Baskent University Ankara Hospital
Cataract, Myopia
Evaluation of Visual Acuity in Myopic Cataract Patients Using Trifocal Intraocular Lens
The PanOptix trifocal IOL is a new trifocal intraocular lens which is proved to provide good range of vision for distance, intermediate and near and good visual quality in cataract patients with normal axial length.
- Conditions
- Cataract, Myopia, Intraocular Lens
- Trial name
- NCT04927117
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Aier School of Ophthalmology, Central South University
Cataract After, Astigmatism
Influence of Residual Astigmatism on Visual Acuity in Patients Undergoing Cataract Surgery With Trifocal Intraocular Lens Implantation
MAIN OBJECTIVE: To assess the influence of residual astigmatism on visual acuity in the different lens foci in patients operated on for cataracts with a trifocal intraocular lens implant.
- Conditions
- Cataract After, Astigmatism, IOL, Visual Acuity
- Trial name
- NCT04387721
- Testing
- Kind of trifocal IOL
- Where
- Spain
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Enrique Ordiñaga-Monreal, OD, MSc
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
Lenses, Intraocular, Contrast Sensitivity
A Pilot Study Simulating Multifocal Intraocular Lenses in Healthy Subjects
Age related cataracts are responsible for about 51 percent of blindness worldwide and according to the WHO affect about 20 million people, according to the WH .
- Conditions
- Lenses, Intraocular, Contrast Sensitivity, Visual Acuity
- Trial name
- NCT01873781
- Testing
- Cyclopentolatehydrochloride
- Where
- Austria
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna