Clinical trials: Refractive Error - Myopia
Myopia
Corneal Refractive Therapy Design Comparison for -4 to -6 Diopter Treatment for Overnight Wear for Myopia
The primary objective of this study is to compare the effectiveness of two proximity control geometry lens designs to treat eyes with pretreatment myopia between -4.00 and -6.00 D myopia with and without refractive astigmatism in…
- Trial name
- NCT05438615
- Testing
- Corneal Refractive Therapy-spherical, Corneal Refractive Therapy-aspherical
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
Multi-Centre Clinical Evaluation of Two Reusable Soft Contact Lenses
The aim of this study is to compare the subjective performance of the comfilcon A contact lens against lotrafilcon B contact lens after 4 weeks of reusable lens wear.
- Trial name
- NCT02815735
- Testing
- comfilcon A, lotrafilcon B
- Where
- 9 sites in United Kingdom
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Refractive Errors, Myopia
Performance Assessment of a Modified Daily Disposable Contact Lens
The purpose of this study is to compare visual acuity between two daily disposable contact lenses.
- Conditions
- Refractive Errors, Myopia, Hyperopia
- Trial name
- NCT03762668
- Testing
- Modified delefilcon A contact lenses, Delefilcon A contact lenses
- Where
- 5 sites in United States
- Volunteers
- 62 people
- Sponsor
- Alcon Research
Anisometropia, Myopia
Targeted Lens Intervention for Myopic Anisometropia in Children
The goal of this clinical trial is to learn if our research spectacles will lower the difference in prescription (spectacles degree) between the eyes in children between 6 to 13 years old with anisometropic myopia.
- Trial name
- NCT07533149
- Testing
- More myopic eye: MCL1; Less myopic eye: MCL2
- Where
- Singapore
- Volunteers
- 20 people
- Sponsor
- Essilor International
Myopia, Hyperopia
Evaluation of the Effectiveness of Two Marketed Multi-Purpose Solutions for Silicone Hydrogel Contact Lenses - Study 1
The purpose of this study was to evaluate the performance of Opti-Free® PureMoist® Multi-Purpose Disinfecting Solution (MPDS) compared to Biotrue™ Multipurpose Solution (MPS) in silicone hydrogel contact lens wearers.
- Conditions
- Myopia, Hyperopia, Contact Lens Comfort
- Trial name
- NCT01684033
- Testing
- Opti-Free® PureMoist® MPDS, Biotrue™ MPS, Habitual contact lenses
- Volunteers
- 207 people
- Sponsor
- Alcon Research
Myopia
Two Daily Disposable Contact Lenses in Symptomatic Patients
The purpose of this study is to evaluate the performance of DAILIES TOTAL1® and ACUVUE OASYS® 1-DAY and with respect to visual acuity in a symptomatic study population of monthly or bi-weekly replacement lens wearers.
- Trial name
- NCT03628599
- Testing
- Delefilcon A contact lenses, Senofilcon A contact lenses
- Where
- 4 sites in United States
- Volunteers
- 39 people
- Sponsor
- Alcon Research
Myopia
A 6-Hour Clinical Evaluation of New Daily-Wear Soft Contact Lenses
The purpose of this study is to validate the clinical performance of a new contact lens design when worn over a period of 6 hours compared to nelfilcon A (control).
- Trial name
- NCT03235089
- Testing
- Test Lens, Control Lens
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- CooperVision, Inc.
Myopia
Dispensing Evaluation of a Prototype Contact Lens and a Marketed Contact Lens
The purpose of this study is to compare visual acuity and redness of eyes between a prototype contact lens and an already marketed contact lens.
- Trial name
- NCT01094743
- Testing
- galyfilcon A prototype lens, lotrafilcon B lens
- Where
- 2 sites in United States
- Volunteers
- 52 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Clinical Evaluation of Two Daily Disposable Lenses in a Population of Daily Disposable (DD) Lens Wearers
The purpose of this study is to evaluate the performance of two daily disposable contact lenses in a population of daily disposable contact lens wearers.
- Trial name
- NCT00958828
- Testing
- Nelfilcon A contact lens, Narafilcon A contact lens
- Volunteers
- 178 people
- Sponsor
- CIBA VISION
Refractive Error - Myopia Bilateral
Study to Evaluate the Clinical Performance of Deseyne (Vifilcon C) Daily Disposable Soft Contact Lens
This clinical study is to provide clinical performance data comparing the test lens (Deseyne [vifilcon C] daily disposable soft contact lens) to a control lens (1-Day Acuvue Moist [etafilcon A] daily disposable soft contact lens)…
- Trial name
- NCT05927753
- Testing
- Deseyne Daily Disposable Contact Lens (Test Device)
- Where
- 3 sites in United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Bruno Vision Care
Presbyopia
Safety and Efficacy of an Intrastromal Transform Corneal Allograft (TCA) for Presbyopia Correction - Long Term Follow-up
The objective of this clinical study is to evaluate the long term safety and effectiveness of intrastromal implantation of the Allotex TransForm corneal allograft (TCA) for providing near vision in presbyopic subjects.
- Trial name
- NCT06310252
- Testing
- Opthalmic assessments
- Where
- 7 sites in Czechia, Ireland and 2 more
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Allotex, Inc.
Myopia
Dispensing Evaluation of a Galyfilcon A Prototype Lens and a Marketed Contact Lens
The purpose of this study is to compare visual acuity and redness of eyes between a prototype contact lens and an already marketed contact lens.
- Trial name
- NCT01180985
- Testing
- galyfilcon A prototype lens, comfilcon A
- Where
- 4 sites in United States
- Volunteers
- 53 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Clinical Performance Comparison of Two Contact Lenses
The purpose of this study is to compare the clinical performance of two contact lenses.
- Trial name
- NCT00975585
- Testing
- senofilcon A, lotrafilcon B
- Where
- 25 sites in United States
- Volunteers
- 379 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Projected Peripheral Defocus Using a Wearable Device
Acucela Inc. intends to develop a medical device to significantly halt or reverse myopic progression, which is a significant public health concern across the world, especially in Asian demographics.
- Trial name
- NCT04415684
- Testing
- Active projection of defocused image in the peripheral visual field (eSpecs, Acucela Inc.), No Active projection of defocused image in the peripheral visual field (eSpecs, Acucela Inc.)
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Kubota Vision Inc.
Myopia
A Comparison of Daily Disposable Contact Lenses.
This study seeks to evaluate the clinical performance of a new CE marked daily disposable contact lens that contains a wetting agent to a recently improved daily disposable contact lens.
- Trial name
- NCT00727558
- Testing
- nelfilcon A, narafilcon A
- Where
- 19 sites in United Kingdom
- Volunteers
- 248 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Clinical Comparison of Two Soft Contact Lenses
This study was designed to gather short-term clinical performance data for 2 soft contact lenses.
- Trial name
- NCT06251154
- Testing
- Lens 1, Lens 2
- Where
- United Kingdom
- Volunteers
- 50 people
- Sponsor
- CooperVision, Inc.
Myopia
Clinical Study of Approved Contact Lenses
Evaluation of Johnson \& Johnson Acuvue Vita (senofilcon C) soft contact lenses to the Bausch + Lomb Ultra (samfilcon A) soft contact lenses
- Trial name
- NCT03351101
- Testing
- Senofilcon C, Samfilcon A
- Where
- 11 sites in United States
- Volunteers
- 271 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Myopia, Myopia, Progressive
Kubota Glass Parameter Refinement Study
Length of the eye will be measured in subjects exposed to various stimulus characteristics using an electronic spectacle which presents illuminated targets to the eye.
- Conditions
- Myopia, Myopia, Progressive, Vision Disorders
- Trial name
- NCT06085430
- Testing
- Kubota Glass
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Kubota Vision Inc.
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.
Myopia
Comparative Study of Two Marketed 1-day Soft Contact Lenses
This study is designed to evaluate ocufilcon D lens compared to ocufilcon B lens in a 1-week crossover, daily wear regimen.
- Trial name
- NCT01464255
- Testing
- ocufilcon D, ocufilcon B
- Where
- United States
- Volunteers
- 71 people
- Sponsor
- CooperVision, Inc.