Clinical trials: Error, Refractive
Presbyopia
Trial of the PresVIEW Implant for the Improvement of Near Vision in Patients With Presbyopia
The primary objective of this study is to evaluate the safety and effectiveness of the PresVIEW™ Scleral Implant (PSI) for the improvement of near visual acuity in presbyopic patients.
- Trial name
- NCT01166568
- Testing
- PresVIEW Scleral Implants
- Where
- 14 sites in United States
- Volunteers
- 337 people, healthy volunteers welcome
- Sponsor
- VisDura, Inc.
Cataract, Lens Opacities
Feasibility Investigation of Biometry and Tomography Measurements in a Heterogeneous Patient Cohort
The planned clinical investigation will be conducted to acquire raw data for the development of the algorithm. The data acquisition is intended to obtain first impressions of the potential performance of the changed hardware and…
- Conditions
- Cataract, Lens Opacities, Artificial Lens Implant, Corneal Astigmatism
- Trial name
- BioBase (NCT05458661)
- Testing
- Clinical Prototype BioBase (SN 07 and SN 08)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
Refractive Error, Myopia
A Comparative Study of Two Daily Disposable Contact Lenses in Higher Myopia Subjects
The purpose of this study is to compare the change from baseline in central corneal curvature at one week, between 2 silicone hydrogel lenses, in higher myopic subjects.
- Trial name
- NCT02066922
- Testing
- Delefilcon A contact lens, Narafilcon A contact lens, Spectacles
- Volunteers
- 19 people
- Sponsor
- Alcon Research
Cataract, Corneal Astigmatism
Clinical Trial of a Hydrophilic EMV Toric Lens RAO210T in the Correction of Aphakia and Corneal Astigmatism
The objectives of the clinical investigation are to determine the safety and performance of the RayOne EMV Toric (Model RAO210T) following unilateral implantation and approximately 6 months (120 to 180 days) of post-operative…
- Trial name
- NCT05985304
- Testing
- RayOne EMV Toric IOL, RayOne Monofocal IOL, Cataract Surgery
- Where
- 9 sites in United States
- Volunteers
- 274 people
- Sponsor
- Rayner Intraocular Lenses Limited
Myopia
Fitting Evaluation of Hydrogel and Silicone Hydrogel Spherical Contact Lenses
This study aims to compare the short-term clinical performance of the three contact lenses (Methafilcon A IV, Ocufilcon B 1-day and Omafilcon A 1-day daily disposable).
- Trial name
- NCT03235115
- Testing
- Methafilcon A IV, Ocufilcon B, Omafilcon A
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia, Refractive Error
DAILIES TOTAL1® Lens Centration in a Japanese Population
The purpose of this study is to compare the lens centration of DAILIES TOTAL1® (DT1) contact lenses to 1-DAY ACUVUE® Tru-Eye® (1DAVTE) contact lenses in a Japanese population after 7 ± 2 days of wearing of each product.
- Trial name
- NCT02252133
- Testing
- Delefilcon A contact lenses, Narafilcon A contact lenses
- Where
- Japan
- Volunteers
- 53 people
- Sponsor
- Alcon Research
Refractive Error
Comparison of Two Marketed Silicone Hydrogel Lenses
The purpose of this study is to evaluate cholesterol sorption by AIR OPTIX® AQUA lenses compared to ULTRA lenses after 30 days of wear.
- Trial name
- NCT02495948
- Testing
- Lotrafilcon B contact lenses, Samfilcon A contact lenses, Hydrogen peroxide solution
- Volunteers
- 168 people
- Sponsor
- Alcon Research
Myopia, Ametropia
Clinical Comparison of Two Daily Disposable Contact Lenses - Pilot Study 3
The purpose of this study is to evaluate the overall performance of PRECISION1™ contact lenses when compared to INFUSE™ contact lenses.
- Trial name
- NCT04942925
- Testing
- Verofilcon A contact lenses, Kalifilcon A contact lenses
- Where
- 4 sites in United States
- Volunteers
- 60 people
- Sponsor
- Alcon Research
Myopia
Evaluation of the Feasibility a New Silicone Hydrogel Contact Lens
The objective of this study is to determine the clinical feasibility and to evaluate the product performance of an investigational contact lens.
- Trial name
- NCT01309906
- Testing
- Investigational lens, Air Optix Aqua lens
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Presbyopia, Near Vision
Comparative Study and Validation of New Methodologies for Measuring Addition
The aim of this research is to collect comprehensive data on a presbyopic population that may require near vision correction, in order to identify the most useful tests to accurately determine the value of an addition.
- Conditions
- Presbyopia, Near Vision, Refraction Error
- Trial name
- NCT06963138
- Testing
- Visual Acuity, Objective refraction, Standard Subjective refraction
- Where
- France
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Essilor International
Presbyopia
Open Label, Multi-center, Phase I Study of TECLens Quantitative Refractive Crosslinking in Presbyopia-Aged Patients.
An 'on-eye' UV delivery system for corneal crosslinking can be used safely and effectively to help free presbyopic patients from the need for reading glasses.
- Trial name
- NCT07208604
- Testing
- Quantitative refractive crosslinking
- Where
- Philippines
- Volunteers
- 25 people
- Sponsor
- TECLens, 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.
Cataract, Lens Opacity
Comparison of Clinical Outcomes POD L GF vs POD F GF (PHY1707)
Prospective, randomised, controlled, single-surgeon, single-center clinical study to compare the clinical outcomes of two trifocal IOLs differing in the dominance of additional power.
- Conditions
- Cataract, Lens Opacity, Presbyopia
- Trial name
- NCT03688399
- Testing
- IOL implantation experimental, IOL implantation comparator
- Where
- Hungary
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Myopia
Clinical Performance of Hydrogel vs. Silicone Hydrogel Contact Lenses
The aim of this non-dispensing fitting study is to evaluate the subjective comfort, lens handling, lens fitting characteristics and visual acuity of different hydrogel lens designs versus silicone hydrogel lenses
- Trial name
- NCT02131402
- Testing
- ocufilcon D, omafilcon A, methafilcon A
- Where
- Spain
- Volunteers
- 60 people
- Sponsor
- CooperVision, Inc.
Bilateral Cataract, Astigmatism
Non-comparative Trial Following Participants Implanted Bilaterally With Mini WELL Toric Ready Intraocular Lens for 6 Months After the Second Eye Implant (FUSION)
This is a multicenter, non-comparative trial following participants implanted bilaterally with the Mini WELL Toric Ready intraocular lens (IOL) for 6 months after the second eye implant.
- Trial name
- FUSION (NCT03861351)
- Testing
- Mini WELL Toric Ready intraocular lens
- Where
- 4 sites in France, Germany and 1 more
- Volunteers
- 58 people
- Sponsor
- SIFI SpA
Astigmatism
Orientation Characteristics of Daily Disposable Toric Contact Lenses
Brief summary: Approximately 30 soft toric contact lens adapted subjects will be enrolled in this feasibility, bilateral, randomized, double-masked (subject and investigator), repeated measures insertion study.
- Trial name
- NCT06069609
- Testing
- kalifilcon A Daily Disposable Toric, Acuvue Oasys 1-Day for Astigmatism
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Clinical Evaluation of the Long-Term Effects of Contact Lens Care Systems
The purpose of this study is to compare two marketed contact lens care solutions in regards to comfort and ocular health.
- Trial name
- NCT00813761
- Testing
- O2Optix contact lens, Proclear contact lens, ReNu MultiPlus Multi-Purpose Solution
- Where
- 26 sites in United States, United Kingdom
- Volunteers
- 473 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Astigmatism, Myopia
Evaluation of Two Daily Disposable Contact Lenses for Wearers With Astigmatism
The purpose of this trial is to compare the performance of two contact lenses for contact lens wearers with astigmatism.
- Trial name
- NCT01207466
- Testing
- Nelfilcon A investigational contact lens, Nelfilcon A commercial contact lens
- Volunteers
- 95 people
- Sponsor
- CIBA VISION
Myopia, Progressive
Myopia Preventing With Distance-image Screen
This study is for testing the efficacy and safety of distance-image screens for preventing myopia in children for 12 month. Each subjects would be asked to paired test the ocular parameters between before and after 12-month…
- Trial name
- DIS (NCT06088225)
- Testing
- distance-image screen
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Astigmatism, Myopia
Performance of Toric Silicone Hydrogel Contact Lenses
The purpose of this study was to evaluate the clinical performance and subjective lens handling (insertion and removal) of two toric silicone hydrogel contact lenses after one month of daily wear each.
- Trial name
- NCT05097144
- Testing
- Lens A (fanfilcon A), Lens B (asmofilcon A)
- Where
- Mexico
- Volunteers
- 36 people
- Sponsor
- CooperVision, Inc.