Clinical trials: Eye--Refractive Errors
Hypermetropia
Use of the VisuMax Femtosecond Laser Lenticule Removal Procedure for the Correction of Hyperopia
The correction of farsightedness using ReLEx SMILE for hyperopia is focus of this investigation. The objective is to evaluate the safety and effectiveness.
- Trial name
- V1601CI (NCT03431571)
- Testing
- ReLEx SMILE
- Where
- 8 sites in China, Czechia and 4 more
- Volunteers
- 374 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
Myopia
LSH Silicone Hydrogel Soft Hydrophilic Contact Lens for Daily Wear
This study is to evaluate the performance of the LSH (mangofilcon A) silicone hydrogel soft contact lenses when used as a daily wear contact lens for the correction of myopia.
- Trial name
- NCT01735045
- Testing
- Lagado LSH (mangofilcon A) Soft (hydrophilic) Contact Lens, Benz 3GX (hioxifilcon B) Soft (hydrophilic) Contact Lens
- Where
- 5 sites in United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Szabocsik and Associates, Inc.
Cataract
A Comparison of Visual Function After Bilateral Implantation of Presbyopia-correcting Intraocular Lenses (IOLs)
The purpose of this study is to prospectively evaluate postoperative visual and refractive parameters in a series of subjects bilaterally implanted with the AcrySof® IQ ReSTOR® +3 versus those bilaterally implanted with the…
- Trial name
- NCT01166971
- Testing
- ReSTOR +3, Tecnis MF
- Where
- 3 sites in United States
- Volunteers
- 65 people
- Sponsor
- Alcon Research
Myopia
Evaluation of Two Silicone Hydrogel Lenses Over a One Month Period
The purpose of this trial is to compare two different contact lenses during 4 weeks of wear.
- Trial name
- NCT00810511
- Testing
- Lotrafilcon A contact lens, Comfilcon A contact lens
- Volunteers
- 213 people
- Sponsor
- CIBA VISION
Juvenile Myopia
Myopia Assessment of Two Manufacturing Processes
Randomized, controlled, multisite, subject- and observer-masked, contralateral clinical trial of 6-month duration to compare two SightGlass Vision Diffusion Optics Technology (DOT) spectacle lens manufacturing processes in…
- Trial name
- MAPLE (NCT04126057)
- Testing
- SightGlass Vision DOT Spectacle Lenses
- Where
- 5 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia
Clinical Evaluation of Daily Disposable Contact Lenses
The objective of the study is to compare the overall subjective preference of filcon II 3 daily disposable silicone hyrogel contact lenses compared to etafilcon A and nelfilcon A daily disposable conventional hydrogel contact…
- Trial name
- NCT02097030
- Testing
- filcon II 3, etafilcon A, nelfilcon A
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- CooperVision, Inc.
Presbyopia, Myopia
Presbyopic Phakic Intraocular Lens for Myopia Correction
This is a prospective single-center study of implantations of the presbyopic version of phakic intraocular lens IPCL (EyeolUK, United Kingdom).
- Trial name
- NCT03836898
- Testing
- Presbyopic posterior chamber phakic intraocular lens IPCL
- Where
- Czechia
- Volunteers
- 10 people
- Sponsor
- Gemini Eye Clinic
Ametropia
Optimization of a Photoretinoscopy Method for Determining the Objective Refraction of Children
The objective is to compare the refractive parameters of the photorefraction prototype device without cycloplegia with the refractive parameters of reference device, an autorefractometer with and without cycloplegia.
- Trial name
- NCT06295536
- Testing
- Comparator device, Closed-field autorefractometer
- Where
- Hong Kong
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Essilor International
Refractive Errors, Ametropia
Clinical Comparison of Two Daily Wear Frequent Replacement Silicone Hydrogel Soft Contact Lenses
The primary objective of this study is to evaluate the overall performance of an investigational silicone hydrogel lens when compared to ACUVUE OASYS® with HYDRACLEAR® PLUS (AOHP).
- Trial name
- NCT04532099
- Testing
- Lehfilcon A contact lenses, Senofilcon A contact lenses, Comfilcon A contact lenses
- Where
- 4 sites in United States
- Volunteers
- 132 people
- Sponsor
- Alcon Research
Presbyopia
Clinical Evaluation of Biofinity Multifocal Compared With Air Optix Aqua Multifocal and With PureVision Multifocal
This is a prospective, multi-centre, randomised, single-blind, cross-over study to compare the BIOFINITY® MULTIFOCAL lens and respectively the AIR OPTIX® AQUA MULTIFOCAL lens (lenses allocated on a ratio of 1/0.5) and the…
- Trial name
- INNOVATION (NCT01591499)
- Testing
- BIOFINITY® MF - AIR OPTIX® AQUA MF, BIOFINITY® MF - PUREVISION® MF
- Volunteers
- 142 people
- Sponsor
- CooperVision, Inc.
Presbyopia
Evaluation of Functional Superiority of the Morrow eProgressive
Presbyopia is a common age-related condition where the eye loses its ability to focus on nearby objects, typically from around age 45.
- Trial name
- EPACT (NCT07878416)
- Testing
- 3 weeks wearing of study device instead of their current wearing solution
- Where
- 3 sites in Belgium, Italy
- Volunteers
- 50 people
- Sponsor
- Morrow Eyewear
Myopia
Daytime Corneal Swelling During Wear of Narafilcon B Lenses
The purpose of this research is to measure daytime open-eye response to wearing of narafilcon B lenses.
- Trial name
- NCT01444287
- Testing
- narafilcon B, Polymacon, Lotrafilcon A
- Where
- Australia
- Volunteers
- 22 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Ametropia
The Clinical Performance of Two Reusable Silicone Hydrogel Contact Lenses
The purpose of this study is to assess the clinical performance of two reusable silicone hydrogel contact lenses when worn on a daily wear basis.
- Trial name
- NCT05766787
- Testing
- Serafilcon A contact lenses, Senofilcon A contact lenses, CLEAR CARE
- Where
- 15 sites in United States
- Volunteers
- 190 people
- Sponsor
- Alcon Research
Ametropia
Performance of Toric Hydrogel Lenses Following A Refit With Toric Silicone Hydrogel Lenses for 1 Month
The aim of this prospective study is to evaluate the clinical performance of habitual wearers of methafilcon A toric lenses after a refit with fanfilcon A toric lenses for 1-month of daily wear.
- Trial name
- NCT03835221
- Testing
- methafilcon A toric contact lenses, fanfilcon A toric contact lenses
- Where
- Mexico
- Volunteers
- 43 people
- Sponsor
- CooperVision, Inc.
Myopia
Clinical Evaluation of Etafilcon A Contact Lenses Using a Novel Molding Process 2
This study is a multi-site, group sequential, adaptive, randomized, double-masked, 2×2 crossover design, 1-week dispensing study.
- Trial name
- NCT03701516
- Testing
- etafilcon A with novel molding process, etafilcon A with current molding process
- Where
- 12 sites in United States
- Volunteers
- 268 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Astigmatism
Dispensing Evaluation of New Daily Disposable Toric Soft Contact Lens.
The purpose of this study is to determine the relative performance of a new daily disposable toric soft contact lens against a daily disposable toric contact lens currently available in market, specifically with regards to the…
- Trial name
- NCT01055132
- Testing
- Etafilcon A toric contact lens, Nelfilcon A toric contact lens
- Where
- 6 sites in United States
- Volunteers
- 70 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia, Myopic Astigmatism
SUPRACOR for Myopia and Myopic Astigmatism
This clinical study has been planned to evaluate the safety and effectiveness of the SUPRACR presbyopic excimer laser treatment algorithm for myopic eyes developed for applying to the cornea of the human eye in a single center.
- Conditions
- Myopia, Myopic Astigmatism, Presbyopia
- Trial name
- SUPRACOR (NCT01404884)
- Testing
- SUPRACOR
- Where
- Spain
- Volunteers
- 60 people
- Sponsor
- Technolas Perfect Vision GmbH
Cataract, Astigmatism
Patient Perception of Visual Distortions
The purpose of this study is to evaluate visual distortions reported by pseudophakic patients.
- Trial name
- NCT02203747
- Testing
- Administration of patient self-assessment
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Refractive Errors
Clinical Comparison of Two Daily Disposable Contact Lenses
The purpose of this study is to compare the clinical performance of PRECISION1™ contact lenses to Clariti® 1 day contact lenses.
- Trial name
- NCT04865354
- Testing
- Verofilcon A contact lenses, Somofilcon A contact lenses
- Where
- 8 sites in United States
- Volunteers
- 170 people
- Sponsor
- Alcon Research
Refractive Error
Lubricity Post-Wear - Competitive Lenses Pilot
The purpose of this study is to measure the coefficient of friction of three silicone hydrogel, daily disposable contact lenses after 16 hours of wear.
- Trial name
- NCT02402127
- Testing
- Narafilcon A contact lenses, Stenfilcon A contact lenses, Somofilcon A contact lenses
- Volunteers
- 24 people
- Sponsor
- Alcon Research