Clinical trials: Lens Disease
Myopia
Dehydration of Omafilcon A Contact Lenses Versus Delefilcon A Contact Lenses
The study will explore in vivo lens dehydration rates across a 12hr wear period for the study lenses.
- Trial name
- NCT02366910
- Testing
- omafilcon A, delefilcon A
- Where
- Canada
- Volunteers
- 26 people
- Sponsor
- CooperVision, Inc.
Cataract
Post Marketing Clinical Evaluation Assessing the Visual Performance of Hanita Lenses "Intensity SL" Intraocular Lens
This clinical study will assess the safety and performance of Intensity SL IOL, 1 year post operation. The study will also evaluate the patient satisfaction of the implanted patients.
- Trial name
- Post-op (NCT06075459)
- Where
- Argentina
- Volunteers
- 60 people
- Sponsor
- Hanita Lenses
Cataract
Comparison of Gemini III Rev 2 Implanted in Conjunction With an Approved IOL vs Eyes Implanted With an Approved IOL
This study is a prospective, observational, randomized, controlled, paired eye, subject-masked design.
- Trial name
- NCT04059796
- Testing
- Omega Gemini III Rev 2 Device, Control Eye
- Where
- Costa Rica
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Omega Ophthalmics
Keratoconus
Intrastromal Corneal Ring Segments and Toric Phakic Posterior Intra-ocular Lenses Implantation in Keratoconus
To compare visual and refractive measurements of intrastromal corneal ring segments versus toric phakic posterior intra-ocular lenses implantation in keratoconus
- Trial name
- NCT05055349
- Testing
- corneal ring segments
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Minia University
Cataract, Refractive Lens Exchange
Visual Performance of Patients Implanted With a Multifocal IOL
The goal of this clinical trial is to learn about the visual performance of a new multifocal intra-ocular lens in patients presenting for cataract or refractive lens exchange surgery.
- Trial name
- VISUAL (NCT06111222)
- Testing
- AT ELANA
- Where
- 3 sites in Germany, Spain
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
Cataract, Fuchs' Endothelial Dystrophy
Impact of Cataract Surgery on Keratoplasty Graft Survival
The follow up time after keratoplasty now routinely exceeds multiple decades. It is common for keratoplasty patients to also undergo cataract surgery at a later date in their lives.
- Conditions
- Cataract, Fuchs' Endothelial Dystrophy, Keratoconus
- Trial name
- IGREC (NCT02875145)
- Testing
- Cataract surgery
- Where
- France
- Volunteers
- 453 people
- Sponsor
- Centre Hospitalier Universitaire de Besancon
Cataract
Neopterin Dosage in the Eye
The purpose of the study is to determine whether neopterin can be dosed in the fluid of the eye's anterior chamber for patient with non-inflammatory and non-infectious ophthalmic pathology.
- Trial name
- CHA (NCT03497481)
- Testing
- Samples
- Where
- France
- Volunteers
- 20 people
- Sponsor
- Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer
Corneal Astigmatism
Toric IOL vs Non-toric IOL With LRI for Corneal Astigmatism
The purpose of the study is to compare the astigmatism reducing effect of a toric intraocular lens (IOL) (model MX60T - Bausch \& Lomb) with that of limbal relaxing incisional surgery combined with a non toric IOL (model MX60 …
- Trial name
- NCT03633851
- Testing
- Toric intraocular MX60T lens, Standard MX60 plus corneal incisions
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ashford and St. Peter's Hospitals NHS Trust
Cataract, Ultrasound Therapy; Complications
Ultrasonic System for Cataract Characterization and Optimal Phacoemulsification Energy Evaluation
This study aims to assess the performance of an ultrasonic system for automatic classification of cataract type and severity, as well as the estimation of the optimal phacoemulsification energy.
- Trial name
- CATARCTUS (NCT04461912)
- Testing
- Eye Scan Ultrasound System (ESUS)
- Where
- Portugal
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Coimbra
Aphakia, Astigmatism
Post Market Clinical Follow-up (PMCF) Study of Clareon Vivity & Clareon PanOptix
The purpose of this Post-Market Clinical Follow-up study is to describe the long-term safety and performance of the Clareon Vivity and Vivity Toric and Clareon PanOptix and PanOptix Toric IOLs.
- Conditions
- Aphakia, Astigmatism, Presbyopia
- Trial name
- NCT05796453
- Testing
- Clareon Vivity IOL - Non Toric, Clareon Vivity IOL - Toric, Clareon PanOptix Trifocal IOL - Non Toric
- Where
- 7 sites in United States, Puerto Rico
- Volunteers
- 470 people
- Sponsor
- Alcon Research
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
Cataract, Myopia
Measurement of Antioxidant Activity on Postoperative Inflammation in Patients Undergoing Ophthalmic Surgery
This trial hypothesized that novel laser refractive surgery techniques (PRK, LASIK, SMILE) or laser-assisted cataract surgery (FLACAS) could suppress postoperative inflammation and improve recovery in patients by reducing…
- Trial name
- NCT05905237
- Testing
- Cataract surgery, Femtosecond-LASIK, SMILE
- Where
- 2 sites in Taiwan
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Retinal Detachment, Lens Diseases
Retinal Detachment After Lens Surgery in the Nearsighted
This study aims to study the incidence of retinal detachment in the nearsighted myopic after phakoemulsification lens surgery and use of posterior chamber foldable soft implants with a follow-up of 5 years and preliminary results…
- Conditions
- Retinal Detachment, Lens Diseases, Short-Sighted
- Trial name
- A09F0401 (NCT04072939)
- Testing
- Patients having had a lens surgery
- Volunteers
- 101 people
- Sponsor
- University Hospital, Bordeaux
Cataract, Presbyopia
Comparison of Two Different Optical Biometric Systems
Primary objective of this study is to evaluate and compare the measurements of two different optical biometrics systems in patients who will undergo cataract surgery or presbyopia surgery using intraocular lenses (IOL-PC).
- Conditions
- Cataract, Presbyopia, Ocular Biometry, Intraocular Lens
- Trial name
- NCT05411341
- Testing
- Argos (Alcon Laboratories, Inc.), IOLMaster 500 (Carl Zeiss Meditec AG)
- Where
- Greece
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Presbyopia, Pseudophakia
Synergy Lens Outcomes Evaluation
This is a single visit study to evaluate the visual outcomes and patient satisfaction of patients who were bilaterally implanted with the Tecnis Synergy IOL between June 1 and December 31, 2021 in 2 centers in USA
- Trial name
- NCT05418153
- Testing
- Tecnis Synergy IOL
- Where
- 2 sites in United States
- Volunteers
- 52 people
- Sponsor
- Center For Sight
Cataracts
Acrysof Toric SN60T3corneal Astigmatism Between 0.75 and 1.00 D.
The purpose of this study is to evaluate the visual outcomes and patient satisfaction after implantation of a toric IOL in patients with predicted residual corneal astigmatism between 0.75 and 1.00 D.
- Trial name
- TORILIOL (NCT00542581)
- Testing
- The Acrysof toric SN60T3 IOL
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- Medical University of South Carolina
Cataract
Yellow Versus White Study
Blue-light-filtering IOLs are implanted increasingly often in cataract surgery. Several studies examined the effect of blue-light-filters on contrast and colour vision. However, the study outcomes were varying.
- Trial name
- YeWhi (NCT00612781)
- Testing
- cataract surgery (Hoya AF-1 [UY] YA-60BB), cataract surgery (Hoya AF-1 [UV] VA-60BB lens)
- Where
- Austria
- Volunteers
- 24 people
- Sponsor
- Hospital Hietzing
Glaucoma, Cataract
Outcome of Small Pupil Phacotrabeculectomy in Persons With Glaucoma and Cataract
Small pupils are not uncommon in situations requiring surgical intervention for glaucoma and cataract. Inadequate binocular view during combined trabeculaectomy and glaucoma surgery needs to be overcome by additional iris…
- Trial name
- NCT00434707
- Volunteers
- 70 people
- Sponsor
- Aravind Medical Research Foundation
Secondary Cataract Surgery, Aphakia
Comparison of Two Different Intraocular Lenses Implanted With Yamane Technique
In case of instability or rupture of capsular bag occurs during cataract surgery, Yamane technique is one of the options to fix intracocularlens' haptics.
- Conditions
- Secondary Cataract Surgery, Aphakia, Complicated Cataract Surgery
- Trial name
- NCT05912829
- Testing
- IOL Master 700, Casia-2, MS-39
- Where
- 2 sites in Austria
- Volunteers
- 50 people
- Sponsor
- Johannes Kepler University of Linz
Myopia
Progressive Myopia Treatment Evaluation for NaturalVue Multifocal Contact Lens Trial
This is a multi-center, randomized, double-masked clinical trial. All study devices are market approved/cleared in the localities where the study is conducted.
- Trial name
- PROTECT (NCT05159765)
- Testing
- Single vision contact lenses, Multifocal contact lenses
- Where
- 8 sites in United States, Canada and 2 more
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Visioneering Technologies, Inc
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