Clinical trials: Lenses
Myopia
An Evaluation of Marketed Contact Lens Disinfectant Systems on Eyelid Tissues
The purpose of this study was to assess and compare the effect of the repeated usage of 2 different care systems (one hydrogen peroxide based cleaning and disinfecting system and one PHMB containing multipurpose system) with…
- Trial name
- ID11-56 (NCT01594294)
- Testing
- AOSEPT® Plus contact lens solution, ReNu MultiPlus® contact lens solution, Etafilcon A contact lenses
- Volunteers
- 100 people
- Sponsor
- Alcon Research
Presbyopia, Refractive Error
Visual Performance of Prototype Contact Lens Designs
The aim of this study is to assess the visual performance of prototype soft contact lens designs compared to a commercially available contact lens
- Trial name
- NCT02193555
- Testing
- Etafilcon A, Senofilcon A
- Where
- Australia
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision
Myopia
A Comparison of Manufacturing Processes for AIR OPTIX® COLORS Contact Lens
The purpose of this feasibility study was to compare AIR OPTIX® COLORS contact lenses manufactured using an automated process to AIR OPTIX® COLORS contact lenses manufactured using a semi-automatic process.
- Trial name
- NCT01614678
- Testing
- Lotrafilcon B contact lens with color, automated, Lotrafilcon B contact lens with color, semi-automated
- Volunteers
- 49 people
- Sponsor
- CIBA VISION
Macular Degeneration
Influence of Blue Light Filtering Intraocular Lenses on Daytime Levels of Melatonin
The "blue light hazard" has been reported to cause retinal damage (oxidative stress), particularly to the central fovea due to its energetic, shorter wavelength visible photons, which is why blue-light filtering intraocular…
- Trial name
- BluMel (NCT00444249)
- Testing
- White Alcon IOL, Yellow Alcon IOL, White Hoya IOL
- Where
- Austria
- Volunteers
- 136 people
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Pseudophakia
An Open-Label Evaluation of Degree of Accommodation in Pseudophakic Patients Bilaterally Implanted With Monofocal Intraocular Lenses
This study will determine the ability of three different intraocular lenses to accommodate in patients who have previously undergone bilateral intraocular lens implantation.
- Trial name
- NCT01004549
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Innovative Medical
Myopia
Contact Lenses and Myopia
The objective of this study is to determine if multifocal contact lenses affect accommodation and/or binocular vision when worn by pediatric patients.
- Trial name
- CLAM (NCT02180347)
- Testing
- Contact lenses
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- State University of New York College of Optometry
Cataract, Endothelial Cell Density
Trial Comparing miLOOP Device Assisted Phacoemulsification vs Standard Surgery for Dense Cataracts: Effects on Endothelial Cell Loss, Energy Use, and Vision Recovery
The goal of this clinical trial is to find out if using the miLOOP device during cataract surgery confers additional protection against cornea (endothelial) cells loss by reducing the amount of ultrasound energy needed.
- Conditions
- Cataract, Endothelial Cell Density, Cumulative Dispersive Energy
- Trial name
- NCT07898007
- Testing
- The miLOOP utilizes a nickel-titanium (nitinol) loop to ensnare and exert centripetal cutting forces on the lens nucleus with decreasing loop diameter, Conventional phacoemulsification cataract surgery
- Where
- Malaysia
- Volunteers
- 68 people
- Sponsor
- Universiti Kebangsaan Malaysia Medical Centre
Aphakia, Cataract
Comparison of the Hoya Surgical Optics (HSO) iSert 251 Posterior Chamber Aspheric Aphakic Intraocular Lens to Historical / Literature Controls.
The purpose of this multi-center clinical trail is to determine the safety and efficacy of the iSert 251 for the correction of aphakia.
- Trial name
- NCT01292629
- Testing
- iSert 251 intraocular lens
- Where
- 5 sites in United States
- Volunteers
- 125 people
- Sponsor
- Hoya Surgical Optics, Inc.
Myopia
CHILDREN MYOPIA CONTROL
The purpose of this trial is evaluating the clinical effect of a myopia control spectacle lens compared to a single vision spectacle lens in slowing down the progression of myopia in children living in Israel.
- Trial name
- NCT05477329
- Testing
- Lenses
- Where
- Israel
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Shamir Optical Industry Ltd
Cataract, Astigmatism
Conventional Surgery vs. Verion/VerifEye
Nowadays cataract patient's expectations are closer to those of refractive surgery patients. Patients want to be spectacle independent.
- Trial name
- NCT02513745
- Testing
- Conventional, Refractive Cataract Suite (Verion + ORA)
- Where
- United States
- Volunteers
- 84 people
- Sponsor
- Carolina Eyecare Physicians, LLC
Cataract, Intraocular Pressure
High Intraocular Pressure After Cataract Surgery
Effectiveness of anterior chamber drainage on the structure of the anterior chamber, the position of the intraocular lens and the shape of the corneal incision in the early stage of cataract surgery with high intraocular pressure
- Trial name
- NCT05834465
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Wenzhou Medical University
Soft Contact Lenses, Myopia
DAILIES TOTAL1 Versus ACUVUE TruEye - Effects on the Biology of the Ocular Surface and Lid Margin
This is a prospective, single center, randomized, bilateral crossover, dispensing clinical trial to evaluate the effects of the water gradient lens, DAILIES TOTAL1, on the biology of corneal epithelium over two months of daily…
- Trial name
- TruEyeTotal1 (NCT02347631)
- Testing
- Soft Contact Lens - Daily Disposable Alcon Dailies Total 1 and ACUVUE TruEye, Soft Contact Lens - Acuvue TruEye and Alcon DAILIES TOTAL 1.
- Where
- United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
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
Myopia
Comparison of Verofilcon A Daily Disposable Lenses to Somofilcon A Daily Disposable Lenses
The objective of the study is to evaluate and compare the performance of verofilcon A to somofilcon A when worn on a daily disposable modality over a period of approximately one week each.
- Trial name
- NCT04305912
- Testing
- somofilcon A, verofilcon A
- Where
- Canada
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Refractive Errors, Myopia
Evaluation of Delefilcon A Contact Lenses
The purpose of the study is to evaluate the lens fit characteristics of delefilcon A contact lenses with different base curves and diameters.
- Trial name
- NCT06884202
- Testing
- Delefilcon A contact lenses with different base curves and diameters, Delefilcon A contact lenses with standard base curves and diameters
- Where
- 16 sites in United States
- Volunteers
- 267 people
- Sponsor
- Alcon Research
Presbyopia
Clinical Assessment of a Multifocal Contact Lens for People Who Use Reading Glasses Only
The purpose of this trial is to evaluate the use of multifocal contact lenses in people who use reading glasses only.
- Trial name
- NCT01268501
- Testing
- Lotrafilcon B multifocal contact lens
- Volunteers
- 103 people
- Sponsor
- CIBA VISION
Myopia
Refitting Somofilcon A Sphere Contact Lens Wearers Into Fanfilcon A Sphere Lenses for 4-Weeks of Wear
The aim of this subject-masked prospective study is to evaluate the clinical performance of habitual wearers of Clariti Elite sphere lenses after a refit with Avaira Vitality sphere lenses.
- Trial name
- NCT03974802
- Testing
- somofilcon A contact lens, fanfilcon A contact lens
- Where
- Mexico
- Volunteers
- 41 people
- Sponsor
- CooperVision, Inc.
Visual Acuity
To Evaluate the Visual Performance After Bilateral Implantation of Multifocal Intraocular Lenses
To evaluate the visual performance after bilateral implantation of multifocal intraocular lenses.
- Trial name
- NCT03223857
- Testing
- Femtosecond-laser-assisted lens exchange
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Clinic Frankfurt
Cataract
The SITE Study - Dexamethasone Ophthalmic Insert In OR on Day of Surgery Versus In-office Post-Op Day 1
To assess the safety and effectiveness of treatment with an intracanalicular dexamethasone (0.4mg) insert in the operating room following cataract surgery/intraocular lens implant (IOL) compared to insertion 1-day post-op.
- Trial name
- NCT05143281
- Testing
- Dexamethasone 0.4 MG [Dextenza]
- Where
- 2 sites in United States
- Volunteers
- 23 people
- Sponsor
- Grene Vision Group
Cataract
Study of the Femtosecond Laser System as Compared to Continuous Curvilinear Capsulorhexis for Cataract Surgery
The purpose of this study is to evaluate the safety and efficacy of the OptiMedica Femtosecond Laser System to perform surgical maneuvers used in the treatment of subjects with cataracts.
- Trial name
- NCT01069172
- Testing
- FS Laser Surgery, CCC Surgery
- Where
- Dominican Republic
- Volunteers
- 30 people
- Sponsor
- Abbott Medical Optics
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.