Search clinical trials for: Lens A (comfilcon A lens)

Total 12339 results

University of Houston

Completed

Conjunctival Rebound After Scleral Lens Wear

Conjunctival Diseases

United States
The Hong Kong Polytechnic University
Carl Zeiss

Completed

Effects of Wearing Progressive Addition Lens on Working Distance and Refractive Status in Adult Computer Users

Video Game Play Using Handheld Computer
Fry Eye Associates and Fry Eye Surgery Center
Bausch & Lomb Incorporated

Withdrawn

Evaluation of Glistenings in Intraocular Lenses Implanted in Normal Patients Following Routine Cataract Extraction. (AVS Vs MA50BM)

Glistenings

United States
Singapore National Eye Centre
Singapore Eye Research Institute

Completed

Pilot Study to Assess the Efficacy of Short Exposure to Defocus to Slow the Progression of Myopia in Children

Myopia

Singapore
Santéclair

Completed

The VEPRO Trial: A Cross-Over Randomised Controlled Trial Comparing 2 Corrective Lenses for Patients With Presbyopia (VEPRO)

Presbyopia

France
Alcon Research

Completed

Clinical Comparison of Two Daily Disposable Contact Lenses

Refractive Errors

United States
Tianjin Eye Hospital

Not yet recruiting

To Evaluate the Efficacy and Safety of an Defocus Lens in Slowing the Progression of Myopia

Myopia, Progressive

China
Bausch & Lomb Incorporated

Recruiting

Study of Safety and Effectiveness of the Boston Orthokeratology Shaping Lens in the Arise Orthokeratology Lens

Astigmatism

United States
Coopervision, Inc.

Not yet recruiting

Evaluation of Onefit Scleral Lenses in the Mangement of Dry Eye

Dry Eye

Canada
Oogziekenhuis Rotterdam
Carl Zeiss Meditec AG; Stichting Wetenschappelijk Onderzoek Het Oogziekenhuis...

Recruiting

Microinterventional Endocapsular Nuclear Fragmentation Assisted Cataract Surgery

Nuclear Cataract

Netherlands
Johnson & Johnson Vision Care, Inc.

Completed

Evaluation of Rotation With a Multifocal Toric Contact Lens

Visual Acuity

United States
Carl Zeiss Meditec AG

Completed

Evaluation of a Trifocal Lens

Cataract Senile

Germany
Peking University Third Hospital

Completed

Correlation Study of Corneal Nerve Changes and Dry Eye in Contact Lens Wearers

Dry Eye | Contact Lens Complication

China
Carl Zeiss Meditec AG

Completed

Safety and Effectiveness of an Hydrophilic Acrylic Intraocular Lens

Cataract Senile

France
Tianjin Eye Hospital

Completed

DIMS-myopia Progression ADN Axial Length Growth

Myopia, Progressive

China
Carl Zeiss Meditec AG

Completed

To Compare Postoperative Horizontal Position Stability of the CT LUCIA 611P and the CT ASPHINA 409MP

Cataract Senile

Austria
Hospital Hietzing

Completed

Spherical Aberration on the Optical of Two Different Aspherical Intraocular Lenses

Cataract
Shahid Beheshti University of Medical Sciences

Completed

Spherical Aberration and Contrast Sensitivity Function in Eyes Implanted With Spherical and Aspheric Intraocular Lenses: A Clinical Trial

Cataract

Iran, Islamic Republic of
Shanghai Eye Disease Prevention and Treatment Center

Recruiting

Double Helix Design Defocus Lens Spectacle (RACE) for Myopia Control

Myopia, Progressive

China
ClarVista Medical

Completed

A Clinical Investigation of the ClarVista HARMONI™ Modular Intraocular Lens Implant Following Cataract Surgery

Cataract

New Zealand, Philippines
Pete Kollbaum, OD, PhD
Alcon Research

Completed

The Impact of Soft Contact Lens Attributes on Symptoms Associated With Digital Eye Strain in Symptomatic Soft Contact Lens Wearers

Myopia | Asthenopia

United States
Abbott Medical Optics

Completed

Safety and Efficacy of a Violet Visible Light Blocking Intraocular Lens (IOL)

Cataract

United States
University Hospital Padova

Completed

LISA Rigid Catheter vs LISA Soft Catheter in a Very Preterm Manikin

Respiratory Distress Syndrome in Preterm Infants

Italy
Ohio State University

Recruiting

Accommodative Behaviors in Multifocal Contact Lenses

Accommodation Disorder

United States
Tianjin Eye Hospital

Recruiting

Soft Contact Lens Fitting With Different Sagittal Height

Myopia

China
Medical University of Vienna

Recruiting

Long Term Effects of Multifocal Orthokeratology on Corneal and Choroidal Structures in Healthy Subjects With Myopia- A Pilot Study

Myopia

Austria
Mayo Clinic

Terminated

Intraocular Pressure in Ocular Hypertensives With Scleral Lens Wear

Ocular Hypertension

United States
Nidek Co. LTD.

Completed

Evaluation of the Rotational Stability

Cataract
Showa University

Completed

The Effect of a Blue Light Filtering IOL

to Compare the Effect of Two Types of IOLs | on the Incidence of Cystoid Macular Edema | After Cataract Surgery

Japan
Zhongshan Ophthalmic Center, Sun Yat-sen University

Recruiting

Short-term Clinical Performance of Multifocal Soft Contact Lens

Myopia

China
Johnson & Johnson Vision Care, Inc.

Completed

Evaluation of Multifocal Contact Lens Designs With and Without an HEV Blocker on Visual Function

Visual Acuity

United States
Singapore National Eye Centre

Completed

Comparison of the Quality of Vision Provided by AMO Tecnis Z9000 and Alcon Laboratories MA60 Acrysof Posterior Chamber Intraocular Lenses

Cataract

Singapore
Abbott Medical Optics

Completed

Clinical Investigation of the Next-Generation Intraocular Lenses

Cataract

United States
Czech Technical University in Prague

Active, not recruiting

Myopia Control Effect of DIMS Spectacle Lenses in Czech Children and Young Adults

Myopia

Czechia
University of Alabama at Birmingham

Withdrawn

Customizing Myopia Control With Multifocal Toric Contact Lens

Refractive Errors | Myopia
Alcon Research

Completed

Long Term Safety Protocol for the AcrySof CACHET Phakic Lens

Myopia

United States
Alcon Research

Completed

Single Site Study of the Wettability of Contact Lenses With an Investigational Multi-Purpose Disinfecting Solution vs. a Marketed Multi-Purpose Solution

Contact Lens Care
nthalmic Pty Ltd
Zhong Jing Wei Shi (Suzhou) Optical Technology Ltd.

Recruiting

Spectacle Films Utilising S.T.O.P.® Technology for Slowing Down Myopia Progression in Children

Myopia

China, India
Alcon, a Novartis Company

Completed

Clinical Assessment of a HYDRAGLYDE® Regimen

Refractive Errors | Myopia | Hypermetropia

United States, Germany, Canada
Johnson & Johnson Vision Care, Inc.

Completed

Clinical Evaluation of Approved and Investigational Contact Lenses

Visual Disorder

United States
Shanghai Eye Disease Prevention and Treatment Center
Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine; Shandong University of Traditional Chinese Medicine

Not yet recruiting

A Study on the Efficacy and Safety of Multi-focal Scleral Contact Lens

High Myopia

China
Calhoun Vision, Inc.

Completed

Safety and Effectiveness of the Calhoun Vision Light Adjustable Intraocular Lens (LAL)

Cataracts

United States, Mexico
Johnson & Johnson Vision Care, Inc.

Completed

Evaluation of a Daily Disposable Novel Multifocal Contact Lens in a Myopic Population; Part 2

Visual Acuity

United States
Johnson & Johnson Vision Care, Inc.

Completed

Controlling Myopia Progression With Soft Contact Lenses

Myopia

Hong Kong
Alcon Research

Completed

Comparison of 3 Novel Contact Lens Solutions on the Basal Lamina

Contact Lens Solution

United States
Al-Azhar University

Completed

Safety and Efficacy of Implantable Collamer Lens Versus Implantable Phakic Lens IPCL in Myopic Patients; A Comparative Study

Myopia

Egypt
Fondation Ophtalmologique Adolphe de Rothschild

Terminated

Comparison of Two Fragmentation Modalities in Femtosecond Laser-assisted Cataract Surgery (SLICES)

Cataract

France
Dr Phillip J Buckhurst
BMI Southend Hospital

Completed

Clinical Investigation of the Bi Flex M Multifocal IOL

Cataract
Bausch & Lomb Incorporated

Completed

Comparative Performance of PureVision Lens Designs

Myopia

Philippines, Malaysia
Universidad Rey Juan Carlos

Recruiting

Percutaneous Neuromuscular Electrical Stimulation in Patients With Chronic Low Back Pain (PNMESlowback)

Low Back Pain

Spain

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