Clinical trials: Lens Implantation, Intraocular
Presbyopia, Refractive Errors
Premium Monovision Versus Other Types of Monovision and Bilateral Trifocal Implantation.
Primary objective of this study was to compare the efficacy of premium monovision with Restor and Panoptix, against other prevalent monovision techniques and against bilateral Panoptix implantation in a sample of patients…
- Conditions
- Presbyopia, Refractive Errors, Cataract
- Trial name
- NCT04618380
- Testing
- bUD-VA,bUN-RA, bUI-RA, bUI-CPS, bUN-CPS, contrast sensitivity
- Where
- Greece
- Volunteers
- 120 people
- Sponsor
- Democritus University of Thrace
Cataract Surgery, Intraocular Lens
Reliability and Effectiveness of New Enova Preloaded Intaocular Lens and Cartridge System
Evaluation of the safety and efficacy of the new Enova® preloaded monofocal intraocular lens and cartridge injector system in cataract surgery
- Trial name
- NCT07288086
- Testing
- Preloaded intraocular lens system
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people
- Sponsor
- Istanbul University
Cataracts
Visual Function Evaluation of Bilateral AcrySof ReSTOR Aspheric IOL
The objective of this study is to evaluate postoperative visual function in patients implanted bilaterally with the ReSTOR Aspheric Intraocular Lens (IOL).
- Trial name
- NCT00818116
- Testing
- AcrySof ReSTOR Aspheric IOL
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Alcon Research
Cataract, Intraocular Lens Complication
In-vivo Behavior of Asqelio Monofocal Biaspheric Intraocular Lens
This is a study to evaluate the 24 month postoperative incidence and intensity of posterior capsular opacity in patients submitted to cataract surgery and implanted with a hydrophobic monofocal IOL.
- Trial name
- NCT04971863
- Where
- Spain
- Volunteers
- 200 people
- Sponsor
- AST Products, Inc.
Presbyopia, Myopia
Presbyopic Phakic Intraocular Lens for Myopia Correction
This is a prospective single-center study of implantations of the presbyopic version of phakic intraocular lens IPCL (EyeolUK, United Kingdom).
- Trial name
- NCT03836898
- Testing
- Presbyopic posterior chamber phakic intraocular lens IPCL
- Where
- Czechia
- Volunteers
- 10 people
- Sponsor
- Gemini Eye Clinic
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
Corneal Endothelial Cell Loss, Secondary Intraocular Lens
Anterior Chamber Versus Scleral Fixated Intraocular Lens: Long-term Vision and Safety Outcomes
This is a prospective comparative non-randomized cohort study to understand the long-term vision outcomes, safety, and stability of anterior chamber intraocular lenses (AC IOLs) vs. scleral-fixated intraocular lenses (SF IOLs).
- Trial name
- NCT04072978
- Testing
- Intraocular lens implantation
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Primary Angle Closure Glaucoma, Primary Angle Glaucoma Closure Suspect
Effect of Multifocal Intraocular Lens on Contrast Sensitivity in Primary Angle-Closure Patients
This prospective study included patients with primary angle-closure (PAC or primary angle-closure glaucoma (PACG) and visually significant cataract.
- Conditions
- Primary Angle Closure Glaucoma, Primary Angle Glaucoma Closure Suspect, Senile Cataract
- Trial name
- NCT04972435
- Testing
- Contrast sensitivity
- Where
- Thailand
- Volunteers
- 35 people
- Sponsor
- Siriraj Hospital
Cataract
Comparison Between Bilateral Multifocal Intraocular Lenses and Pseudophakic Monovision
More and more patients like to achieve complete spectacle independence after cataract surgery. Two possibilities that are particularly often used today are on the one hand multifocal lenses, and on the other hand the concept of…
- Trial name
- NCT02155348
- Testing
- Bilateral cataract surgery with implantation of multifocal IOLs, Bilateral cataract surgery with monovision, Lentis LS-313
- Where
- Austria
- Volunteers
- 70 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
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
Cataract
Comparison of Two Non- Diffractive Extended Depth of Focus Intraocular Lenses
Intra-individual comparison of the PureSee EDOF IOL with the Acunex Vario EDOF IOL set for emmetropia.
- Trial name
- NCT06607848
- Testing
- Low-Add EDOF IOL, EDOF IOL
- Where
- Austria
- Volunteers
- 40 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Cataract
A-constant Optimization of a Toric Monofocal IOL
The study is a prospective series study to determine the IOL constant of a hydrophilic toric monofocal intra-ocular lens (IOL)
- Trial name
- NCT04944238
- Testing
- Ankoris
- Where
- Belgium
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Presbyopia, Cataract Senile
Prospective Clinical Study of Different Intraocular Lens Implantation Designed for the Correction of Presbyopia
Compare postoperative Subjective and objective visual quality and economic efficiency of different Intraocular Lens(IOLs) implantation designed for the correction of presbyopia.
- Trial name
- NCT04265846
- Testing
- bifocal IOL, mix bifocal IOL, trifocal IOL
- Where
- China
- Volunteers
- 140 people
- Sponsor
- Peking University Third Hospital
Presbyopia
Functional Assessment of Activities of Daily Living (ADL) in Patients Who Underwent Mini-monovision Correction
Patients who underwent mini-monovision (with bilateral myopic defocus, MM-BMD) surgery for presbyopia correction with monofocal intraocular lenses implantation are supposed to have sufficient uncorrected vision capacity for…
- Trial name
- NCT02431156
- Testing
- Assessment of visual capacity
- Where
- Greece
- Volunteers
- 40 people
- Sponsor
- Democritus University of Thrace
Cataract, Corneal Astigmatism
Performance of a Single-piece Toric Acrylic Intraocular Lens
Abstract Purpose: To evaluate the visual performance and rotational stability of the Tecnis Toric one-piece IOL (AMO, USA) during the first 3 post-operative months Design: Prospective single center study Setting: VIROS - Vienna…
- Trial name
- NCT02155959
- Testing
- toric intraocular lens
- Volunteers
- 30 people
- Sponsor
- Prim. Prof. Dr. Oliver Findl, MBA
Fuchs' Endothelial Dystrophy, Cataract
Using the Optovue OCT to Select IOL Power
Many patients with endothelial dysfunction also present with cataracts. It is therefore common practice to perform cataract extraction and intraocular lens (IOL) implantation during the same operation and immediately prior to…
- Trial name
- NCT01361282
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Legacy Health System
Refractive Errors
Trifocal Diffractive Intraocular Lens After Cataract Extraction With Phacoemulsification
Multifocal IOLs that maintain distance focus and improve near vision have been developed to reduce spectacle dependence.Multifocal IOLs improve patient performance of near-vision tasks, such as reading crafts, hobbies, and social…
- Trial name
- NCT04465279
- Testing
- Trifocal diffractive intraocular lens
- Where
- Egypt
- Volunteers
- 36 people
- Sponsor
- Alexandria University
Cataract
Clinical Investigation of the Bi Flex M Multifocal IOL
During cataract surgery an artificial lens is implanted in the eye. These artificial lenses are called intraocular lenses (IOLs) and there are many different types of IOL designs.
- Trial name
- NCT02338882
- Testing
- Bi flex M multifocal intraocular lens, Bi flex 1.8 monofocal intraocular lens
- Volunteers
- 100 people
- Sponsor
- Dr Phillip J Buckhurst
Cataract, Presbyopia Correction
Photopic and Mesopic Multifocal IOL Performance
Modern cataract surgery has become a refractive procedure. Both, multifocal lens implantation and pseudophakic monovision with monofocal IOLs are effective means to address presbyopia correction after cataract surgery.
- Trial name
- MIOLRead (NCT06978556)
- Testing
- No intervention is subject of the study. Only standard pre- and postoperative data will be evaluated.
- Where
- Switzerland
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- IROC AG
Cataract
Visual Quality of Cataract Patients with High Myopia After Implantation of Different Intraocular Lenses
This prospective study aims to compare the visual outcomes following the implantation of two different types of multifocal intraocular lenses (IOLs) in highly myopic patients.
- Trial name
- NCT06892470
- Testing
- No intervention
- Where
- China
- Volunteers
- 62 people
- Sponsor
- Wenzhou Medical University