Clinical trials: Astigmatism
Astigmatism, Ametropia
Optimization for Toric Contact Lenses
The aim of this study is to evaluate the agreement between subjective and objective toric lens prescriptions.
- Trial name
- NCT07557030
- Testing
- Lens 1 ( stenfilcon A ), Lens 2 ( comfilcon A )
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- CooperVision International Limited (CVIL)
Myopia, Astigmatism
Evaluation of Orthokeratology Lenses With a 5MM Optic Zone Diameter
To evaluate the clinical performance and user-reported experience of Paragon CRT contact lenses with a 5mm Optic Zone Diameter (OZD)
- Trial name
- NCT07751172
- Testing
- Lens A (paflufocon D)
- Where
- 3 sites in United States, Spain
- Volunteers
- 70 people
- Sponsor
- CooperVision International Limited (CVIL)
Astigmatism
Revive Toric RWE Study
This is a post-market observational clinical investigation. The objective of this observational study is to evaluate the visual performance and HCP satisfaction of REVIVE samfilcon B custom toric contact lenses.
- Trial name
- NCT06785194
- Testing
- REVIVE samfilcon B custom toric contact lenses
- Where
- 3 sites in United States
- Sponsor
- Bausch & Lomb Incorporated
Astigmatism
Evaluation of Delefilcon A and Senofilcon A Daily Disposable Toric Soft Contact Lenses Over One Week of Wear
This is a prospective, multi-site, 4-visit, bilateral, dispensing, randomized, controlled, double-masked, 2x2 crossover study to evaluate subjective comfort, overall opinion and end of day comfort following wear of two different…
- Trial name
- NCT06749496
- Testing
- Test Lens, Control Lens
- Where
- 12 sites in United States
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Astigmatism
Evaluation of Daily Disposable Toric Soft Lenses Manufactured With an Alternative Hydration Process
This is a prospective, multi-site, dispensing, randomized, controlled, double-masked, bilateral wear, 2x2 crossover study to evaluate the safety and effectiveness of the test lens.
- Trial name
- NCT06967129
- Testing
- Investigational daily disposable, soft, toric lenses manufactured on 4th Generation Technology (4GT) lines with extended mini-stack hydration using propylene glycol (PG) as the hydration solvent., ACUVUE® Oasys 1-Day for Astigmatism (AO1DfA) soft contact lenses manufactured on 3rd Generation Technology (3GT) legacy lines using isopropyl alcohol (IPA) as the hydration solvent.
- Where
- 20 sites in United States
- Volunteers
- 281 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Astigmatism, Myopia
Evaluation of Two Monthly Silicone Hydrogel Multifocal Toric in Soft Contact Lens Wearers
To compare the performance of two leading soft multifocal Toric contact lenses.
- Trial name
- NCT07829419
- Testing
- Lens A ( comfilcon A), Lens B ( lehfilcon A)
- Where
- 3 sites in United States
- Volunteers
- 60 people
- Sponsor
- CooperVision International Limited (CVIL)
Myopia, Astigmatism
1-Week Dispensing Evaluation of Kalifilcon A Toric Contact Lenses Compared to Ultra for Astigmatism
This single-site, randomized, double-masked (participant and investigator), 2-way crossover, repeated-measures dispensing study evaluated the visual performance of kalifilcon A daily disposable toric (LD213001) contact lenses…
- Trial name
- NCT05320042
- Testing
- kalifilcon A daily disposable toric contact lenses, Ultra for Astigmatism (samfilcon A) contact lenses
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Astigmatism, Myopia
Effect of a Myopia Control Lens on the Astigmatism in Children
The goal of this clinical trial is to investigate over a one-year period the effect of myopia control spectacle lenses on astigmatism in children aged 6 to 13 years with myopia and astigmatism.
- Trial name
- MAC (NCT07810725)
- Testing
- Lenslet-based myopia control spectacle lens
- Volunteers
- 15 people
- Sponsor
- Essilor International
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
Myopia, Astigmatism
Study of a Phakic Implantable Collamer Lens (ICL)
A prospective, open-labeled, single-site study of a phakic implantable collamer lens (ICL) for the correction/reduction of myopia with or without astigmatism.
- Trial name
- NCT07790965
- Testing
- Phakic Implantable Collamer Lens (ICL)
- Volunteers
- 10 people
- Sponsor
- Staar Surgical Company
Myopia, Astigmatism
Study of an Implantable Collamer Lens (ICL)
A prospective, open-labeled, single-site study of an implantable collamer lens (ICL) for the correction/reduction of myopia with or without astigmatism.
- Trial name
- NCT07791381
- Testing
- Implantable collamer lens (ICL)
- Volunteers
- 10 people
- Sponsor
- Staar Surgical Company
Refractive Ametropia, Astigmatism
1-Week Dispensing Evaluation of REVIVE™ Toric Soft Contact Lenses
Experienced soft contact lens wearing subjects were enrolled in this 1-week, post-market, bilateral, repeated measures, dispensing study.
- Trial name
- NCT06053736
- Testing
- REVIVE Toric Soft Contact Lenses
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Aphakia, Corneal Astigmatism
Clareon Toric Study (T2-T9)
The purpose of this post-market study is to describe the long-term safety and performance of Clareon Toric Intraocular Lenses (IOLs).
- Trial name
- NCT06285695
- Testing
- Clareon Toric IOL, Cataract surgery
- Where
- 6 sites in Canada
- Volunteers
- 129 people
- Sponsor
- Alcon Research
Astigmatism
Visual Performance With Clareon® Vivity® Intraocular Lenses (IOLs)
The purpose of this study is to generate clinical data to quantify the impact of residual astigmatism on the overall visual performance during distance, intermediate, and near viewing in patients implanted with Clareon Vivity…
- Trial name
- NCT06784063
- Testing
- Clareon Vivity Extended Vision IOL
- Where
- 3 sites in United States
- Volunteers
- 40 people
- Sponsor
- Alcon Research
Aphakia, Astigmatism
Clareon TruPlus Study
The purpose of this research study is to generate safety and performance data for Clareon TruPlus Monofocal Intraocular Lenses (IOLs).
- Trial name
- NCT07502456
- Testing
- Clareon TruPlus Monofocal Non-Toric IOL, Clareon TruPlus Monofocal Toric IOL, Phacoemulsification
- Where
- 5 sites in United States
- Volunteers
- 122 people
- Sponsor
- Alcon Research
Eye Diseases, Postcataract Aphakia
Investigation of the Safety and Effectiveness of Monofocal Toric Intraocular Lens (IOL)
This study is a prospective, multicenter, randomized, double masked trial comparing an investigational Monofocal Toric intraocular lens (IOL) (PODEYE TORIC CYL 1.5 D) and a commercially available non-toric monofocal IOL.
- Conditions
- Eye Diseases, Postcataract Aphakia, Cataract, Lens Opacities
- Trial name
- NCT06399211
- Testing
- PODEYE TORIC Monofocal IOL, Alcon AcrySof SA60AT Monofocal IOL
- Volunteers
- 261 people
- Sponsor
- Beaver-Visitec International, Inc.
Astigmatism, Myopia
Short-term Study of Two Soft Contact Lenses in Wearers With Low Astigmatism
The primary objective of the study is to evaluate and compare the performance of two soft contact lens.
- Conditions
- Astigmatism, Myopia, Hyperopia
- Trial name
- NCT06873048
- Testing
- Control Contact Lens (stenfilcon A Sphere), Test Contact Lens (stenfilcon A Toric)
- Where
- Canada
- Volunteers
- 32 people
- Sponsor
- CooperVision International Limited (CVIL)
Aphakia, Astigmatism
Evaluation of Long-term Safety and Performance of PanOptix Trifocal Intraocular Lens (IOL)
The purpose of this Post-Market Clinical Follow-up (PMCF) study is to describe the long-term safety and performance of the AcrySof IQ PanOptix IOL toric and non-toric models in subjects bilaterally implanted with these IOLs for 3…
- Conditions
- Aphakia, Astigmatism, Presbyopia
- Trial name
- NCT06166901
- Testing
- AcrySof IQ PanOptix IOL Toric, AcrySof IQ PanOptix IOL Non-Toric
- Where
- 7 sites in Spain
- Volunteers
- 211 people
- Sponsor
- Alcon Research
Myopia, Myopic Astigmatism
Multicenter Clinical Trial of a Phakic Implantable Collamer® Lens (ICL)
This objective of this study is to evaluate the safety, and to collect supportive data on effectiveness of the EVO/EVO+ Visian® Implantable Collamer® Lens (ICL) in study participants who have a diagnosis of myopia or myopia with…
- Trial name
- NCT04283149
- Testing
- EVO/EVO+ Visian ICL
- Where
- 14 sites in United States
- Volunteers
- 327 people
- Sponsor
- Staar Surgical Company
Myopic Astigmatism
STAAR Visian Toric ICL Post-Approval Study
The objective of this study is to evaluate the long term (i.e. 24 months) clinical performance of the Visian® Toric Implantable Collamer® Lens (ICL).
- Trial name
- TICL-PAS (NCT04516772)
- Testing
- Visian TICL
- Where
- 8 sites in United States
- Volunteers
- 125 people
- Sponsor
- Staar Surgical Company