Clinical trials: Eye--Refractive Errors
Refractive Error
Performance and Acceptability of VSS-R
The results of this trial will demonstrate that AVSS software performs as intended and is acceptable in a clinical setting.
- Trial name
- NCT01067716
- Testing
- STAR S4IR LASIK with VSS-R ablation profile
- Where
- 5 sites in Canada
- Volunteers
- 150 people
- Sponsor
- Abbott Medical Optics
Myopia
MyopiaX Treatment for the Reduction of Myopia Progression in Children and Adolescents: Safety and Efficacy Investigation
The purpose of this trial is to investigate the safety and efficacy of MyopiaX - a digital treatment intended to slow the progression of myopia in children and adolescents.
- Trial name
- MyopiaX-1 (NCT04967287)
- Testing
- MyopiaX, Myopia control spectacles
- Where
- 10 sites in Germany, Netherlands and 3 more
- Volunteers
- 124 people
- Sponsor
- Dopavision GmbH
Cataract, Presbyopia
Retrospective / Prospective Clinical Study of AcrySof® IQ ReSTOR® +2.5 D Multifocal Toric Intraocular Lenses
The purpose of this study is to characterize the safety and effectiveness of the ACRYSOF IQ ReSTOR +2.5 diopter (D) Multifocal Toric Intraocular Lens (IOL) in subjects at least 3 months and no more than 14 months after IOL…
- Conditions
- Cataract, Presbyopia, Corneal Astigmatism
- Trial name
- NCT02176343
- Testing
- AcrySof® IQ ReSTOR® +2.5 D Multifocal Toric IOL
- Volunteers
- 37 people
- Sponsor
- Alcon Research
Ametropia
Three-month Clinical Evaluation of Silicone Hydrogel Definitive 65 Contact Lenses
Comparison of different contact lens materials.
- Trial name
- NCT02249689
- Testing
- Definitive 65, Definitive 74
- Where
- 2 sites in Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Contamac Ltd
Astigmatism
In-office Evaluation of Two Toric Soft Contact Lenses and a Spherical Soft Contact Lens
The purpose of this study is to determine the relative performance of a new toric soft contact lens against a toric and a spherical contact lens currently available in market, specifically with regards to the fit and visual…
- Trial name
- NCT00584727
- Testing
- senofilcon A toric contact lens, alphafilcon A toric, etafilcon A sphere
- Volunteers
- 96 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Comparing The Performance Of Two Different Daily Disposable Lenses (MIKI)
The objective of the study is to evaluate and compare the performance of study test lens to study control lens, when worn on a daily disposable modality over a period of approximately one week each
- Trial name
- NCT04492397
- Testing
- Test Contact Lens, Control Contact Lens
- Where
- Canada
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Presbyopia
Safety & Efficacy of Pilocarpine Eye Solutions for Temporary Improvement of Near Vision in Presbyopic Adults
Volunteer participants are evaluated for eligibility during a Screening Visit; those meeting study inclusion/exclusion criteria are scheduled for 3 treatment visits.
- Trial name
- VISION-1 (NCT04657172)
- Testing
- Pilocarpine Ophthalmic
- Where
- 9 sites in United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Eyenovia Inc.
Myopia
Evaluation of The Comfort of Orthokeratology Lenses Fit Using A New Software
As new orthokeratology fitting software emerges onto the market, it is of interest to assess their usefulness in guiding eye practitioners with lens fit.
- Trial name
- NCT05389072
- Testing
- control contact lens
- Where
- 4 sites in United States, Spain
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
A Multi-Center Study Comparing the Clinical Performance of Two Silicone Hydrogel Lenses Over 1 Month of Daily Wear
A Multi-Center Study Comparing the Clinical Performance of Two Silicone Hydrogel Lenses Over 1 Month of Daily Wear
- Trial name
- NCT01952665
- Testing
- comfilcon A, lotrafilcon B
- Where
- 6 sites in United States
- Volunteers
- 63 people
- Sponsor
- CooperVision, Inc.
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
Myopia
Sustained Effect of Red-light Therapy for Myopia Control: A 2-Year Post-Trial Follow-up Study
To evaluate the long-term efficacy and safety of red-light therapy for myopia control over 2 years, and the potential rebound effect after treatment cessation.
- Trial name
- NCT06232161
- Testing
- Red-light therapy device, Spectacles
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Ametropia
Clinical Evaluation of HPT Treated Rigid Contact Lenses Made From Hexafocon A
This will be an up to six months, subject-masked, contralateral, parallel-group, randomised, daily wear study. All subjects will wear the Test lens in one eye and the Control lens in the other eye.
- Trial name
- NCT04525170
- Testing
- HPT treatment, untreated
- Where
- 2 sites in Germany
- Volunteers
- healthy volunteers welcome
- Sponsor
- Contamac Ltd
Refractive Error, Glaucoma
A Post-market Clinical Study to Collect Safety and Performance Data on Johnson & Johnson Surgical Vision Products
Retrospective collection of data from medical records, multicenter, post-market clinical follow-up study.
- Conditions
- Refractive Error, Glaucoma, Cataracts, Clear Lens Exchange
- Trial name
- NCT05394324
- Testing
- Intervention
- Where
- 13 sites in United States, Germany and 1 more
- Volunteers
- 1,674 people
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
Myopia
Investigation of Wearing Compliance of Spectacles for Myopia Control
The goal of this observational study was to compare the wearing patterns of spectacles prescribed for myopia control in juvenile wearers.
- Trial name
- NCT06590441
- Testing
- Myopia control spectacles
- Where
- 4 sites in United Kingdom
- Volunteers
- 53 people
- Sponsor
- CooperVision, Inc.
Presbyopia, Refractive Errors
Assessing Fitting Guides in Alcon Multifocal Contact Lenses
The purpose of this study is to compare an alternative fitting guide to a current fitting guide for optimizing contact lens parameters and determining contact lens prescription.
- Trial name
- NCT03118934
- Testing
- Lotrafilcon B multifocal contact lenses, Nelfilcon A multifocal contact lenses, Delefilcon A multifocal contact lenses
- Where
- 20 sites in United States, Canada and 1 more
- Volunteers
- 188 people
- Sponsor
- Alcon Research
Myopia
Comparative Performance of PureVision Lens Designs
The objective of this study is to evaluate the performance of the PureVision Lens designs when worn on a 30-day continuous wear basis
- Trial name
- NCT00661687
- Testing
- Currently Marketed PureVision Contact Lens., Alternate Design of the PureVision Contact Lens.
- Where
- 2 sites in Malaysia, Philippines
- Volunteers
- 206 people
- Sponsor
- Bausch & Lomb Incorporated
Cataract, Presbyopia
IOL Implantation After KAMRA Inlay Removal
A. The primary purpose of the study is to evaluate outcomes of aphakic eyes implanted with the IC-8 IOL following cataract removal in prior inlay patients after KAMRA inlay removal. B.
- Trial name
- NCT03320473
- Testing
- IC-8 IOL
- Where
- Philippines
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- AcuFocus, Inc.
Presbyopia
Safety and Efficacy of Pilocarpine Ophthalmic Topical Cream for the Treatment of Presbyopia
This is a Multicenter, Randomized, Double-Masked Placebo-Controlled, Parallel Group Phase 2 Trial Evaluating the Safety and Efficacy of Pilocarpine Ophthalmic Topical Cream for the Treatment of Presbyopia.
- Trial name
- NCT05124275
- Testing
- Pilocarpine Ophthalmic Topical Cream, Dose 1, Pilocarpine Ophthalmic Topical Cream, Dose 2, Pilocarpine Ophthalmic Topical Cream, Dose 3
- Where
- 10 sites in United States
- Volunteers
- 123 people
- Sponsor
- Glaukos Corporation
Cataract, Corneal Astigmatism
Post-market Study to Obtain Surgeon Feedback on Clinical Outcome in Eyes Implanted With TECNIS Toric II IOL
This is a multicenter, prospective, single-arm, open-label, clinical study of the commercially available TECNIS Toric II, Model ZCU IOL.
- Trial name
- NCT04210232
- Testing
- TECNIS® TORIC II Intraocular Lens (IOL)
- Where
- 12 sites in United States
- Volunteers
- 54 people
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
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)