Clinical trials: Astigmatism,
Cataract
Postmarket Study of an Intraocular Lens Power Selection System
The purpose of the study was to evaluate the visual acuity outcomes when using the Optiwave Refractive Analysis (ORA) with VerifEye+ and Barrett Toric Calculator for calculating intraocular lens (IOL) power and axis in subjects…
- Trial name
- NCT03579433
- Testing
- ORA with VerifEye+, Alcon Barrett Toric Calculator, Acrysof® IQ Toric IOL
- Where
- 9 sites in United States
- Volunteers
- 124 people
- Sponsor
- Alcon Research
Astigmatism
Comparison of Two Silicone Hydrogel Toric Contact Lenses
The purpose of this research study is to compare the performance of two different types of Alcon soft toric study contact lenses to obtain information on study lens orientation.
- Trial name
- NCT03392532
- Testing
- Lotrafilcon B toric contact lenses with HYDRAGLYDE, Lotrafilcon B toric contact lenses
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- Alcon Research
Astigmatism
A Clinical Comparison of 2 Multifocal Toric XR (Extended Range) Contact Lenses
This study aims to compare the clinical performance and subjective acceptance of the comfilcon A and the omafilcon B soft contact lenses.
- Trial name
- NCT03006458
- Testing
- comfilcon A, omafilcon B
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Ocular Physiology
Evaluation of ACUVUE® OASYS 1-Day for Astigmatism Contact Lenses With Alternative Lidstock
This will be a single-visit, randomized, double-masked, bilateral wear, non-dispensing, 2-sequence × 2-period crossover study to evaluate subject reported ocular symptoms.
- Trial name
- NCT05713552
- Testing
- Acuvue Oasys 1 Day for Astigmatism with Legacy lidstock, Acuvue Oasys 1 Day for Astigmatism with Amcor laminated lidstock
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia, Astigmatism
Clinical Evaluation of Two Monthly Replacement Silicone Hydrogel Contact Lenses
The purpose of this study is to evaluate differences in the comfort at the end of the month between Air Optix® lenses versus Biofinity® lenses in habitual daily wear symptomatic soft contact lens wearers.
- Trial name
- NCT01629693
- Testing
- Lotrafilcon B contact lenses, Comfilcon A contact lenses
- Volunteers
- 398 people
- Sponsor
- Alcon Research
Myopia, Astigmatism
Prospective Study of Lens Performance of a Monthly Replacement Lens at Two Weeks and Four Weeks
The purpose of this study is to compare the overall performance of a monthly replacement contact lens when worn for one month and when worn for two weeks.
- Conditions
- Myopia, Astigmatism, Presbyopia
- Trial name
- NCT01293240
- Testing
- lotrafilcon B contact lens
- Volunteers
- 117 people
- Sponsor
- CIBA VISION
Cataracts
Cataract Refractive Suite Study
The purpose of this study is to compare the refractive predictability (prediction error) between the Cataract Refractive Suite (CRS) and standard manual technique at one month post-operative
- Trial name
- NCT02974140
- Testing
- Cataract Refractive Suite (CRS), Standard manual technique
- Where
- 3 sites in United States
- Volunteers
- 39 people
- Sponsor
- Alcon, a Novartis Company
Astigmatism, Ametropia
Clinical Comparison of Two Daily Disposable Toric Soft Contact Lenses
The primary purpose of this study is to demonstrate noninferiority in the visual acuity at distance when wearing PRECISION1™ for Astigmatism (P1fA) soft contact lenses compared to another commercially available, soft toric…
- Conditions
- Astigmatism, Ametropia, Myopia
- Trial name
- NCT05483127
- Testing
- Verofilcon A toric soft contact lenses, Stenfilcon A toric soft contact lenses
- Where
- 11 sites in United States
- Volunteers
- 153 people
- Sponsor
- Alcon Research
Presbyopia, Astigmatism
Clinical Evaluation of Investigational Multifocal Toric Contact Lenses
This non-dispensing study is to evaluate the clinical performance of a test multifocal toric silicone hydrogel contact lens compared to a marketed multifocal toric contact lens (control).
- Trial name
- NCT03519282
- Testing
- comfilcon A multifocal toric lens, omafilcon A Multifocal Toric Lens
- Where
- United Kingdom
- Volunteers
- 13 people
- Sponsor
- CooperVision, Inc.
Cataract, Astigmatism
Post-Approval Study of the TECNIS® Toric Extended Cylinder Range Intraocular Lens (IOL)
This study is a prospective, multicenter, bilateral, non-randomized, open-label, clinical study conducted at up to 20 sites in the USA.
- Trial name
- NCT02649842
- Testing
- TECNIS Toric Models ZCT450, ZCT525 or ZCT600
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Astigmatism Bilateral
Evaluation of Wear Experience With Daily Disposable and Monthly Replacement Toric Contact Lenses
Comparison of wear experience with daily disposable and monthly replacement soft contact lenses in contact lens wearers who have astigmatism.
- Trial name
- NCT05580575
- Testing
- Daily disposable toric soft contact lens, Monthly replacement toric daily wear soft contact lens
- Where
- 3 sites in United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Ohio State University
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, Presbyopia
Comparing Biofinity Toric Multifocal to Ultra Multifocal for Astigmatism
The objective of the study was to compare the handling and performance of Biofinity Toric Multifocal to Ultra Multifocal for Astigmatism.
- Trial name
- NCT04404725
- Testing
- comfilcon A, Samfilcon A
- Where
- 7 sites in United States, Canada
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Hyperopia, Hyperopic Astigmatism
Safety and Efficacy of Corneal Collagen Cross-linking Following LASIK for Treatment of Hyperopia and Hyperopic Astigmatism
The objectives of this study are to evaluate the safety and efficacy, with regards to regression of refractive outcome, as measured by manifest refraction spherical equivalent (MRSE), of two treatment regimens for hyperopic and…
- Trial name
- NCT01893359
- Testing
- riboflavin ophthalmic solution, 0% dextran, UVA Irradiation (30 mW/cm2 for 2 minutes continuous UVA), UVA Irradiation (30 mW/cm2 for 3 minutes pulsed UVA with an on/off cycle of 2 seconds UVA on/1 second UVA off)
- Where
- 5 sites in United States
- Volunteers
- 2 people
- Sponsor
- Glaukos Corporation
Cataracts
AcrySof® IQ ReSTOR® +3.0 D Multifocal Toric Intraocular Lens (IOL) Clinical Study in Japan
The purpose of this study is to evaluate safety and effectiveness of AcrySof® IQ ReSTOR® +3.0 D Multifocal Toric IOL Models SND1T3, SND1T4, SND1T5, and SND1T6 when implanted to replace the natural lens in Japanese cataract…
- Trial name
- NCT01323777
- Testing
- AcrySof® IQ ReSTOR® +3.0 D Multifocal Toric IOL
- Where
- 2 sites in Japan
- Volunteers
- 65 people
- Sponsor
- Alcon Research
Myopia, Myopic Astigmatism
A Study With Technolas® TENEO 317 Model 2 Excimer Laser to Treat Participants With Myopia or Myopic Astigmatism
The primary objective of this study is to collect safety and effectiveness data for the Technolas Teneo 317 Model 2 excimer laser for LASIK correction in participants with myopia and myopic astigmatism.
- Trial name
- NCT04111757
- Testing
- Technolas® TENEO 317 Model 2
- Where
- 10 sites in United States
- Volunteers
- 168 people
- Sponsor
- Bausch & Lomb Incorporated
Cataract, Corneal Astigmatism
Post-Approval Study of the TECNIS SYMFONY® Toric Lenses
This study is a prospective, multicenter, bilateral, non-randomized, open-label, comparative, 6-month clinical study conducted at up to 50 sites in the USA.
- Trial name
- ANCORA (NCT03791619)
- Testing
- Higher Cylinder Toric IOL, Lower Cylinder Toric IOL
- Where
- 23 sites in United States
- Volunteers
- 475 people
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
Refractive Error
WaveLight® Refractive Flap Accuracy Study
The purpose of this study is to evaluate the accuracy of the WaveLight FS200 femtosecond laser, as assessed by 1 day and 1 month post-operative optical coherence tomography (OCT) anterior segment corneal measurements compared to…
- Trial name
- NCT01941485
- Testing
- WaveLight® Refractive Suite, LASIK surgery
- Volunteers
- 60 people
- Sponsor
- Alcon Research
Cataract, Astigmatism
AcrySof IQ Toric A-Code Post-Market Clinical Study
The purpose of this study is to clinically confirm the rotational stability of a modified AcrySof IQ toric intraocular lens (IOL) in a Japanese population.
- Trial name
- NCT03350503
- Testing
- AcrySof IQ Toric A-code IOL, Cataract surgery
- Where
- 4 sites in Japan
- Volunteers
- 125 people
- Sponsor
- Alcon Research