Clinical trials: Error, Refractive
Cataract, Astigmatism
Clinical Evaluation of Toric Intraocular Lens
Evaluate efficacy and safety of the toric IOL implanted into aphakic eye with corneal astigmatism after cataract surgery.
- Trial name
- NCT03242486
- Testing
- toric intraocular lens
- Volunteers
- 64 people
- Sponsor
- Nidek Co. LTD.
Presbyopia, Refractive Error
Dispensing Study to Assess the Visual Performance of Optimised Prototype Contact Lenses
The aim of this study is to assess the visual performance of multiple optimised prototype soft contact lens designs compared to commercially available contact lenses.
- Trial name
- NCT02484586
- Testing
- Etafilcon A, Nelfilcon A, Nesofilcon A
- Where
- Australia
- Volunteers
- 161 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision
Myopia
Evaluation of Deposits on Contact Lenses Worn Extended Wear
The purpose of this study was to measure lipid deposits on commercially marketed contact lenses when worn on an extended wear (overnight) basis for 7 days.
- Trial name
- NCT00725530
- Testing
- balafilcon A contact lens (PureVision), etafilcon A contact lens (Acuvue2)
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Alcon Research
Myopia
MiSight 1 Day Post-Approval Study for Effectiveness and Visual Symptoms
The purpose of this post-approval study is to confirm the effectiveness of the MiSight 1 Day lens in clinical practices within the US and to assess the stability of the myopia reduction over one-year post-treatment.
- Trial name
- NCT05285553
- Testing
- MiSight 1 Day, Proclear 1 day
- Where
- 30 sites in United States
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Pilot Evaluation of a New Galyfilcon A Contact Lens Compared to a Marketed Galyfilcon A Contact Lens
The purpose of this study is to compare lens surface characteristics and comfort between an experimental contact lens and a marketed contact lens.
- Trial name
- NCT01094730
- Testing
- galyfilcon A prototype lens, marketed galyfilcon A lens
- Where
- 9 sites in United States
- Volunteers
- 185 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataracts, Astigmatism
Randomized Comparison of the Abbott WHITESTAR Signature System With Ellips Tranversal Ultrasound vs. the Alcon Infiniti With the Ozil Torsional Handpiece in Phacoemulsification: A Contralaterally-Controlled Trial
The purpose of this study is to look at the outcomes of your vision after your cataract surgery based on two different types of equipment that will be used during your surgery.
- Trial name
- NCT01279031
- Testing
- Abbott WHITESTAR Signature System with Ellips Transversal Ultrasound, Alcon Infiniti wiht the OZIL Torsional Handpiece
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Innovative Medical
Myopia, Hyperopia
Bilateral Dispensing Study of Fanfilcon A Toric Versus Enfilcon A Toric Lenses
Bilateral dispensing clinical trial of fanfilcon A toric lens verses enfilcon A toric lens over two weeks.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- NCT02423109
- Testing
- fanfilcon A, enfilcon A
- Where
- 2 sites in United States, Canada
- Volunteers
- 44 people
- Sponsor
- CooperVision, Inc.
Myopia
Myoslow Lens Study to Control Myopia in Children
A Prospective, randomized, controlled double masked trial to assess the performance of Myoslow lens in slowing myopia progression in children.
- Trial name
- NCT06553404
- Testing
- Myoslow, Single Vision
- Where
- Israel
- Volunteers
- 125 people
- Sponsor
- Crystal Optic
Myopia, Astigmatism
Clinical Investigation of the Cheetah System For The Correction of Myopia With and Without Astigmatism
This study will be a 3-phase, 12-months, prospective,single arm, multicenter, open-label, non-comparative, clinical investigation conducted at up to 7 sites.
- Trial name
- NCT04200898
- Testing
- Cheetah System
- Where
- 6 sites in Croatia, India and 2 more
- Volunteers
- 286 people
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
Myopia
Wearing Behavior and Eye Length Changes in Children With Myopia Wearing Myopia Control Spectacle Lenses
The goal of this clinical trial is to learn how children with myopia aged 8 to 15 years move their eyes and heads during near-vision tasks while wearing different spectacle lenses, and if wearing myopia control spectacle lenses…
- Trial name
- NCT07780851
- Testing
- Single Vision Lens (SVL), Myopia Control Lens (MCL)
- Where
- Singapore
- Volunteers
- 20 people
- Sponsor
- Essilor International
Cataract, Lens Opacities
Clinical Investigation of the Multifocal IOL POD F GF in Cataracteous Eyes
To evaluate effectiveness and safety of the POD F GF Intraocular Lens (IOL) when implanted to replace the natural lens following cataract removal
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- NCT04699266
- Testing
- Assigned Intervention (POD F GF)
- Where
- Japan
- Volunteers
- 23 people
- Sponsor
- Beaver-Visitec International, Inc.
Refractive Ametropia
Clinical Evaluation of a Manufacturing Process for a Frequent Replacement Silicone Hydrogel Multifocal Contact Lens
The purpose of this clinical trial was to evaluate the clinical performance of a manufacturing process on a frequent replacement multifocal contact lens.
- Trial name
- NCT05765227
- Testing
- Lehfilcon A multifocal contact lenses, Lotrafilcon B multifocal contact lenses, Hydrogen peroxide-based cleaning and disinfection system
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- Alcon Research
Ametropia, Myopia
Clinical Investigation of Proclear® 1 Day and MyDay® Sphere Contact Lenses
The aim of this study is to evaluate and compare the performance of two soft contact lenses.
- Trial name
- NCT07104773
- Testing
- Control Lens (omafilcon A), Test Lens (stenfilcon A)
- Where
- Canada
- Volunteers
- 44 people
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
Evaluation of the Performance of AIR OPTIX® COLORS
The purpose of this study was to assess the ocular response to and performance of the cosmetically printed silicone hydrogel contact lens AIR OPTIX® COLORS compared to FRESHLOOK® COLORBLENDS.
- Trial name
- NCT01338402
- Testing
- Lotrafilcon B contact lens, Lotrafilcon B contact lens with color, Phemfilcon A contact lens with color
- Where
- Canada
- Volunteers
- 47 people
- Sponsor
- CIBA VISION
Presbyopia
Safety & Efficacy of the Laser Scleral Microporation Procedure (Taiwan)
A new minimally invasive procedure for treating presbyopia is being evaluated to determine if there is improvement in near and intermediate vision after treatment.
- Trial name
- NCT04151446
- Testing
- Laser Scleral Microporation
- Where
- 2 sites in Taiwan
- Volunteers
- 11 people
- Sponsor
- ACE Vision Group, Inc.
Myopia
Study of Viziatek ISL™ Refractive Phakic Intra Sulcus Lens for Refraction Adjustment in Blind Volunteers
This is a clinical investigation. A total of up to 5 subjects, but not less than 3 at one investigational site will undergo insertion of the ISL in one eye and will be followed through 6 months postoperative.
- Trial name
- NCT05518344
- Testing
- Viziatek ISL™ (hereinafter referred to as the "ISL") implanted in blind eye.
- Where
- Latvia
- Volunteers
- 4 people
- Sponsor
- Hanita Lenses
Astigmatism
Comparison of Comfilcon A Toric Contact Lenses and Samfilcon A Toric Contact Lenses
The objective of this study is to evaluate the subjective acceptance of comfilcon A toric contact lens, compared to samfilcon A toric lens.
- Trial name
- NCT03519932
- Testing
- comfilcon A toric lens, samfilcon A toric lens
- Where
- Canada
- Volunteers
- 49 people
- Sponsor
- CooperVision, 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
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 Error, Cataract
Vision Measured by the Vimetrics CVA Compared With Chart Testing Under Similar Luminance and Contrast Conditions
Purpose of The Study: The purpose of this study is the following: A)To gather age-related normative visual acuity data for the Vimetrics Central Vision Analyzer (CVA, Vimetrics, LLC, Media, Pa) B)To gather visual acuity data for…
- Conditions
- Refractive Error, Cataract, Maculopathy
- Trial name
- NCT02028351
- Where
- 2 sites in United States, Austria
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Sinclair Technologies, LLC