Clinical trials: Multifocal Intraocular Lens
Dry Eye, Vision Disorders
Visual Quality Change of Eyes Implanted With Diffractive Multifocal Intraocular Lens After Cataract Surgery
In this study, the investigators examined the subjective visual quality including LogMAR uncorrected distance visual acuity (UCDVA), best corrected distance visual acuity (BCDVA),uncorrected intermediate visual acuity (UCIVA)…
- Conditions
- Dry Eye, Vision Disorders, Quality of Life
- Trial name
- NCT02234635
- Testing
- Diffractive multifocal IOLs group
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Wenzhou Medical University
Cataract
Visual Outcomes After Implantation of a New Multifocal Intraocular Lens
This prospective nonrandomized study comprised patients with cataract, corneal astigmatism, and motivation for spectacle independence. In all cases, a Rayner M-flex® T toric Intraocular Lens will be implanted in the capsular bag.
- Trial name
- NCT01505816
- Testing
- Multifocal Intraocular Lens (RAYNER M-FLEX T TORIC IOL)
- Where
- Brazil
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Hospital Oftalmologico de Brasilia
Cataract
Visual Outcomes of Subjects Bilaterally Implanted With ReSTOR Aspheric +4 vs. Tecnis or Acri.LISA
This is a study to compare visual outcomes of subjects bilaterally implanted w/ReSTOR to subjects bilaterally implanted with the Tecnis Multifocal Intraocular Lens (IOL) or Acri.LISA IOL
- Trial name
- NCT00721253
- Testing
- ReSTOR, Tecnis, Acri.LISA
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Presbyopia, Near Vision
The Impact of Light Conditions on the Efficacy of Multifocal Intraocular Lens Implantation in Activities of Daily Living
Primary objective of this study is to identify the optimal task lighting conditions (in terms of light intensity and light temperature) for 10 activities of daily living (ADLs) that require near or intermediate vision acuity in a…
- Conditions
- Presbyopia, Near Vision, Reading, Daily Activities
- Trial name
- NCT05359380
- Testing
- ADL performance
- Where
- Greece
- Volunteers
- 75 people
- Sponsor
- Democritus University of Thrace
Cataract
A Clinical Assessment of the Full Range of Functional Vision With Three Tecnis Multifocal IOL 1-Piece Models in Bilateral Cataract Extraction
The objective of this study is to evaluate the uncorrected binocular distance, intermediate, and near visual acuities, and assess patient's spectacle independence and satisfaction in individuals undergoing bilateral cataract…
- Trial name
- NCT02863159
- Testing
- Tecnis Multifocal 1-Piece IOL
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Dell Laser Consultants
Cataract
Clinical Investigation of Expanded Designs of a Multifocal IOL
The purpose of this clinical trial is to evaluate the safety and effectiveness of the TECNIS Multifocal 1-Piece Intraocular Lens (IOLs), Models ZKB00 and ZLB00 which will each provide statistically better distance-corrected near…
- Trial name
- NCT01714635
- Testing
- Tecnis Multifocal Intraocular Lens, Monofocal Intraocular Lens
- Where
- 18 sites in United States, United Kingdom
- Volunteers
- 445 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Presbyopia, Near Vision
Level of Agreement Between Clinical Defocus Curves and the Web-based Democritus Digital Acuity Reading Test wDDART
The primary objective of this study is to compare the level of agreement between clinical defocus curves and the web Democritus Digital Acuity Reading Test (wDDART), which is a web-based digital near and intermediate vision…
- Trial name
- NCT04739085
- Testing
- Defocus curves - Monocular distance visual acuity with trial lenses added to the best correction for distance, wDDART - Monocular near visual acuity using the best correction for distance
- Where
- Greece
- Volunteers
- 100 people
- Sponsor
- Democritus University of Thrace
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
Cataract, Lens Diseases
Visual Performance of Pseudophakic Patient With Different Intraocular Lenses
This retrospective study comprised patients with cataract, corneal astigmatism, and motivation for spectacle independence. In all cases, a multifocal and monofocal Intraocular Lens was been implanted in the capsular bag.
- Conditions
- Cataract, Lens Diseases, Eye Diseases
- Trial name
- ETDRS (NCT01763411)
- Where
- Brazil
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Hospital Oftalmologico de Brasilia
Cataract Senile
Prospective Clinical Study of Preoperative and Postoperative Unilateral Mild Cataract Patients
This is to compare preoperative and postoperative binocular functional vision in patients with unilateral intraocular len（IOL） in one eye and mild cataract in the fellow eye.
- Trial name
- NCT04266847
- Testing
- monofocal IOL,bifocal IOL,or trifocal IOL
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Peking University Third Hospital
Refractive Errors
Measurement of Refractive SE Following Implantation of LS313 MF30 IOL
This Study determines the most precise method for measuring post-operative refraction following implantation of the asymmetric multifocal LS-313 MF30 comparing the results of Refraction of the different Autorefractor Keratometers…
- Trial name
- NCT03292614
- Testing
- Measurements of the postoperative refraction
- Where
- Germany
- Volunteers
- 25 people
- Sponsor
- Dietrich-Bonhoeffer-Klinikum
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
Cataract
Visual Acuity After the Combined Binocular Implantation of +2.0 Diopters and +3.0 Diopters Oculentis Multifocal Intraocular Lenses.
The objective of this study is to assess the visual outcome after the combined binocular implantation of +2.0 D and +3.0 D refractive multifocal intraocular lenses.
- Trial name
- NCT02633228
- Testing
- Binocular cataract surgery with phacoemulsification and implantation of multifocal intraocular lenses
- Where
- Germany
- Volunteers
- 15 people
- Sponsor
- PD Dr. med. Eckart Bertelmann