Clinical trials: Lenses, Intraocular
Cataract, Presbyopia
Prospective Clinical Trial of Unilateral or Bilateral Implantation of TecnisSymfony IOL in Cataract Patients With Presbyopia
This is to evaluate the satisfaction of patient and physician about short-distance, medium-distance, long-distance postoperative vision and eyeglass dependence, glare, and visual acuity after insertion of the TECNIS® Symfony or…
- Trial name
- NCT03501654
- Testing
- TecnisSymfony®
- Where
- South Korea
- Volunteers
- 20 people
- Sponsor
- Seoul National University Hospital
Congenital Cataract, Intraocular Lens Implantation
Comparison of the Efficacy of Intraocular Lens Optic Capture and In-the-bag Implantation Over 1 Year in Children With Congenital Cataract
Approximately 30 eyes with congenital cataract who underwent primary or secondary intraocular lens implantation surgery at Zhejiang Eye Hospital from March 2018 to December 2020 were enrolled.
- Conditions
- Congenital Cataract, Intraocular Lens Implantation, Optic Capture
- Trial name
- NCT05275764
- Testing
- primary or secondary intraocular lens implantation surgery
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Wenzhou Medical University
Aniridia, Eye Abnormality
Abnormalities of the Eye's Anterior Chamber, Iris, Cornea and Lens
This study will investigate congenital or developmental eye abnormalities that affect the iris, cornea and lens, and are usually accompanied by elevated pressure within the eye.
- Conditions
- Aniridia, Eye Abnormality, Ocular Hypertension, Open Angle Glaucoma
- Trial name
- NCT00001161
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- National Eye Institute (NEI)
Congenital Cataract
Infant Aphakia Treatment Study (IATS)
The primary purpose is to determine whether infants with a unilateral congenital cataract are more likely to develop better vision following cataract extraction surgery if they undergo primary implantation of an intraocular lens…
- Trial name
- IATS (NCT00212134)
- Testing
- Contact lens correction of aphakia, Intraocular lens implantation
- Where
- 13 sites in United States
- Volunteers
- 114 people
- Sponsor
- Stanford University
Traumatic Cataract
Early Vs Late Post Traumatic Cataract Surgery
In a randomized clinical trial, 30 eyes with traumatic cataract after open globe injury with IOL implantation underwent early and 30 eyes underwent late cataract surgery. We excluded patients who were under 12-year-old.
- Trial name
- NCT02900365
- Testing
- early cataract surgery & IOL implantation, late cataract surgery & IOL implantation
- Volunteers
- 60 people
- Sponsor
- Farabi Eye Hospital
Cataract
Comparing Monofocal IOLs in Highly Myopic Cataract Patients
Comparison of Postoperative Outcomes in Patients with High Myopia Undergoing Cataract Surgery Implanted with Extended Depth of Focus Intraocular Lens (ICB00) and Monofocal Intraocular Lens (ZCB00)
- Trial name
- NCT06905938
- Testing
- no intervention
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Wenzhou Medical University
Cataract, Glaucoma
Low Intraocular Pressure Cataract Surgery With Zeiss Quatera in Glaucoma Patients
You were selected to participate in this observational study because you suffer from glaucoma and cataracts. For the cataract you will have cataract surgery.
- Trial name
- NCT06712758
- Where
- Belgium
- Volunteers
- 10 people
- Sponsor
- Visionair Oogzorg
Cataract With Pre-existing Regular Corneal Astigmatism
Influence of Implantation Technique on Rotational Stability of a Frosted-Haptic Toric Intraocular Lens: A Prospective Contralateral-Eye Study
This prospective, randomized contralateral-eye study evaluates whether the implantation technique influences the rotational stability and refractive outcomes of the TECNIS Eyhance™ Toric II intraocular lens (IOL) during cataract…
- Trial name
- NCT07768722
- Testing
- OVD-assisted Implantation, BSS-assisted hydroimplantation
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Ain Shams University
Congenital Cataract
Secondary Intraocular Lens Implantation in Pediatric Patients
This prospective, non-randomized controlled study aiming at comparing the prognosis of minimal invasive lens surgery and traditional cataract surgery for treating congenital cataracts after the patient receives secondary…
- Trial name
- NCT03240796
- Testing
- minimal invasive surgery and secondary IOL implantation, traditional cataract surgery and secondary IOL implantation
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Sun Yat-sen University
Aphakia
Intraocular Position of Secondary Iris-Fixated IOLs in Aphakic Eyes
The purpose of this study is to evaluate the intraocular stability and safety of secondary iris-fixated IOLs in aphakic patients.
- Trial name
- NCT00773266
- Where
- Germany
- Volunteers
- 16 people
- Sponsor
- Johann Wolfgang Goethe University Hospital
Capsule Opacification, Tissue Adhesions
Evaluate Capsular Apposition to Intraocular Lens
In this study, the investigators examined the capsule-IOL interaction including anterior and posterior capsule adhesion, contact between posterior capsule and the posterior edge of intraocular lense (IOL), configuration of…
- Conditions
- Capsule Opacification, Tissue Adhesions, Aphakia - Lens Capsule Present, Opacification of Intraocular Lens
- Trial name
- NCT01605812
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Wenzhou Medical University
Recruitment of Participants
Study of the Correlation Between Preoperative Precise Biometrics, Spatial Assessment and Postoperative Visual Quality in Cataract Patients
This study summarizes the experience of precision treatment and postoperative management of various types of cataract, and intend to further improve the quality of Clinical Cataract diagnosis and treatment.
- Trial name
- NCT04833491
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
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
Refractive Error Correction
Clinical Outcomes of the Use of a Femtosecond Laser on an Implanted Intraocular Lens
This is a prospective non-randomized patient controlled single center study which is designed to evaluate the clinical outcomes of the treatment of an implanted intraocular lens using a low-energy femtosecond laser for refractive…
- Trial name
- NCT07473557
- Testing
- Device
- Where
- Panama
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Perfect Lens, LLC
Intraocular Lens Dislocation
Late Dislocation of Intraocular Lens (IOL) Following Cataract Surgery: an Evaluation of Two Different Surgical Methods
A prospective randomized study on patients with late in the bag intraocular lens (IOL) dislocation, after cataract surgery. To obtain normal visual function, these patients needs surgery.
- Trial name
- NCT01784926
- Testing
- Intraocular lens repositioning by scleral suturing, Intraocular lens exchange with retropupillary iris-claw lens
- Where
- Norway
- Volunteers
- 104 people
- Sponsor
- Oslo University Hospital
Aphakia
A Real-World Evidence (RWE) Long-Term Follow-Up Study to Assess Outcomes of Alcon Monofocal Intraocular Lenses
The purpose of this post-market clinical follow-up (PMCF) study is to describe the long-term safety and performance of AcrySof Single-Piece and AcrySof Multi-Piece monofocal intraocular lenses (IOLs).
- Trial name
- NCT05799950
- Testing
- AcrySof single-piece IOL, AcrySof multi-piece IOL
- Where
- 7 sites in United States, Puerto Rico
- Volunteers
- 138 people
- Sponsor
- Alcon Research