Clinical trials: Lenses
Visual Acuity
Evaluating Accommodative Responses of Soft Contact Lenses for Myopia Control
This is a bilateral, non-dispensing, randomized, controlled, double-masked, 7x7 cross-over study. Each subject will be bilaterally fitted with one of the 7 test articles in each of the 7 periods for a total of four visits.
- Trial name
- NCT03635528
- Testing
- Test Lens 1, Test Lens 2, Test Lens 3
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Tilt and Decentration
Comparison of Methods for Assessing Intraocular Lens Position
Prospective, multi-center, non-interventional, open label, clinical study.
- Trial name
- NCT07218419
- Testing
- IOL Decentration Assessment
- Where
- 2 sites in United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
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
Myopia
Impact of Positive & Negative Lens-Induced Defocus on Contrast-Sensitivity in Myopic & Non-Myopic Adults
examines the influence of lens-induced defocus on contrast sensitivity-a crucial aspect of visual performance.Each participant experiences both positive and negative defocus through different lenses, with measurements taken for…
- Trial name
- NCT06753032
- Testing
- Positive Lens-Induced Defocus Using Spectacle Lenses (+2.00 D) for Myopic Participants, Negative Lens-Induced Defocus Using Spectacle Lenses (-2.00 D) for Myopic Participants, Positive Lens-Induced Defocus Using Spectacle Lenses (+2.00 D) for Non-Myopic Participants
- Where
- Pakistan
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Superior University
Myopia
Changes in Eye Shape With Myopia Management Interventions
The goal of this clinical trial is to study changes in eye shape of nearsighted young adults using low-dose atropine eye drops or soft multifocal contact lenses.
- Trial name
- NCT06450132
- Testing
- Atropine Ophthalmic, MiSight 1-day disposable contact lenses
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Cataract
Conscious Sedation Efficacy of the MKO Melt (Midazolam, Ketamine, Ondansetron)
The investigators hypothesized that the combination of Valium, Tramadol and Zofran is superior to the substantially more expensive MKO melt in patient satisfaction after cataract surgery.
- Trial name
- NCT03653520
- Testing
- Diazepam, Tramadol, Ondansetron
- Where
- United States
- Volunteers
- 651 people, healthy volunteers welcome
- Sponsor
- Avanti Anesthesia
Myopia, Myopia Progression
Spectacle Lens Visual Acuity Assessments Study
This is a two-arm parallel group, non-dispensing study. Participants will be existing active CYPRESS Extension (CPRO-1802-002) subjects. Subjects will undergo additional visual performance assessments.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- CEDAR (NCT05650190)
- Testing
- Novel spectacle lens design, Spectacle lenses
- Where
- 6 sites in United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Cataract
Clinical Results of Asqelio Trifocal Toric Diffractive Intraocular Lens
The goal of this observational prospective clinical study is to learn about the clinical outcomes three months after binocular implantation of Asqelio Trifocal Toric IOL in 30 patients submitted to cataract surgery following…
- Trial name
- NCT06190925
- Where
- Spain
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- AST Products, Inc.
Concussion, Mild, Convergence Insufficiency
Spectacles Lens in Concussed Kids
We will be looking at 3 treatment arms in the form of different type of glasses to see if one is superior to helping kids have sustained a concussion and are symptomatic.
- Conditions
- Concussion, Mild, Convergence Insufficiency, Accommodation; Insufficiency
- Trial name
- SLICK (NCT03123822)
- Testing
- Glasses
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Contact Lens Comfort and Successful Refitting, Presbyopia
Refitting Satisfied INFUSE One-Day Multifocal Wearers to DAILIES TOTAL1 Multifocal Contact Lenses
The purpose of this study is to determine the comfort and vision of DAILIES TOTAL1 Multifocal contact lenses in a population of satisfied INFUSE One-Day Multifocal contact lens wearers
- Trial name
- INFUSETODT1 (NCT07638943)
- Testing
- DAILIES TOTAL1 Multifocal (delefilcon A)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Gordon Schanzlin New Vision
Cataract
Lenstec Tetraflex Accommodating Posterior Chamber Intraocular Lens (IOL) Clinical Investigation
The purpose of the following clinical protocol is to evaluate the safety and effectiveness of the Lenstec Tetraflex Accommodating Posterior Chamber Intraocular Lens (IOL) for the protocol inclusion/exclusion criteria.
- Trial name
- NCT00969371
- Testing
- posterior chamber IOL implantation, Experimental TetraFlex Study IOL
- Volunteers
- 470 people, healthy volunteers welcome
- Sponsor
- Lenstec Incorporated
Cataract, Presbyopia
Clinical Trial With PRECIZON Presbyopic
The purpose of this clinical trial is to evaluate the effectiveness of the PRECIZON Presbyopic.
- Trial name
- NCT02409771
- Testing
- PRECIZON Presbyopic
- Where
- 6 sites in Belgium, Germany and 3 more
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Ophtec BV
Visual Acuity
Post-Market Study of Alcon Intraocular Lenses
The purpose of the study is to evaluate clinical and functional performance in real-world conditions in participants who have been implanted with Acrysof IQ Vivity (Extended Vision) IOLs compared with Alcon Aspheric Monofocal…
- Trial name
- NCT05414565
- Testing
- Vivity IOL, Aspheric monofocal IOL
- Where
- Australia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Myopia
Refitting Frequent Replacement Lens Wearers Into Clariti 1 Day And 1-Day Acuvue Moist Daily Disposable Spherical Lenses
The objective of the study is to evaluate and compare the performance of somofilcon A to etafilcon A when worn on a daily disposable wear modality over a period of approximately one week.
- Trial name
- NCT04195893
- Testing
- somofilcon A, etafilcon A
- Where
- Canada
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Contact Lens Disinfecting Solutions
Comparison of Two Multi-Purpose Solution and Lens Material Combinations on Corneal Barrier Function
The purpose of this study is to measure the relative "barrier" function of the top layer of the cornea (called the epithelium), or the degree to which the cornea can prevent the penetration of the colored dye sodium fluorescein…
- Trial name
- NCT00560898
- Testing
- ProClear Lens Material soaked in ReNu Multiplus Multipurpose Solution, Acuvue Advance Lens Material soaked in ReNu Multiplus Multipurpose Solution, Acuvue Advance Lens Material soaked in Optifree RepleniSH Multipurpose Solution
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Southern California College of Optometry at Marshall B. Ketchum University
Contact Lens Complication
The Impact of Soft Contact Lenses on the Corneal Neuromediators and Optical Quality in High Myopia Prior to SMILE
To investigate the influence of Neuromediators expression in corneal stromal lenticules and corneal injury repair after small incision extraction
- Trial name
- NCT06650306
- Testing
- This study does not involve any interventions
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- yuhao shao
Visual Acuity
Comparison of Two Silicone Hydrogel Multifocal Contact Lenses
This is a single-masked, randomized-controlled, dispensing clinical trial. A total of approximately 40 eligible hyperopic and myopic subjects will be targeted to complete the study.
- Trial name
- NCT04093258
- Testing
- Dailies Total 1® Multifocal Contact Lenses, Air Optix® Multifocal Contact Lenses Plus HydraGlyde®
- Where
- 3 sites in United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia Progression
Orthokeratology Lens Decentration with Two Designs of Corneal Refractive Therapy™ Lenses: a One-year Prospective Study
Background/Objectives: To examine the trend of treatment zone (TZ) decentration over 12 months of Orthokeratology (OK) wear using two corneal refractive therapy (CRT) lens designs: standard (STD) and dual axis (DA).
- Trial name
- NCT06726499
- Testing
- Spherical CRT, Toric CRT
- Where
- Spain
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Vision
Wettability of Contact Lenses With a Multi-Purpose Solution
Measure wettability of hydrogel and silicone hydrogel contact lenses presoaked in a Multi-Purpose Solution.
- Trial name
- NCT00713076
- Testing
- Polyquaternium-preserved Multi-purpose Lens Cleaning Solution 109182
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Aphakia
Clinical Evaluation of the Lenstec Softec HP1 Intraocular Lens
The study is designed as a post market evaluation of the Softec HP1 IOL for continuance of the CE certificate. The primary effectiveness endpoint is to evaluate the safety and performance levels produced by this IOL in patients…
- Trial name
- NCT03900260
- Testing
- Softec HP1 Intraocular Lens
- Where
- 3 sites in United Kingdom
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Lenstec Incorporated