Search clinical trials for: Test lenses

Total 11354 results

University of Waterloo
Alcon Research

Recruiting

Performance of DAILIES TOTAL1 Daily Disposable Contact Lenses in Habitual Soft Lens Wearers Who Report Substantial Digital Device Use (FOX)

Myopia

Canada
Southern College of Optometry
Alcon Research

Recruiting

Total30 for Astigmatism Contact Lenses

Refractive Errors | Astigmatism | Contact Lens Complication

United States
Alcon, a Novartis Company

Completed

Clinical Assessment of a HYDRAGLYDE® Regimen

Refractive Errors | Myopia | Hypermetropia

United States, Germany, Canada
Postgraduate Institute of Medical Education and...

Recruiting

Global Coagulation Assessment in Portal Vein Thrombosis and Budd-Chiari Syndrome (Liv-Thrombus)

Portal Vein Thrombosis | Anticoagulants and Bleeding Disorders | Hepatic Vein Thromboses | Hepatic Venous Outflow Obstruction | Portal Hypertension, Noncirrhotic | Portal Vein Occlusion | Portal Vein Embolism | JAK2 Mutation | CALR Gene Mutation | Prothrombin G20210A

India
Coopervision, Inc.

Completed

The Clinical Comparison of Somofilcon A 1 Day and Nelfilcon A Daily Disposable Contact Lenses

Ametropia

United Kingdom
Alcon Research

Enrolling by invitation

Air Optix® Night and Day® Aqua Daily Wear

Refractive Errors | Myopia | Hyperopia

United States
Alcon Research

Completed

Clinical Assessment of Two Reusable Silicone Hydrogel Contact Lenses

Refractive Errors

United States
University Hospitals Cleveland Medical Center
Alcon Research

Completed

Daily Wear Corneal Infiltrative Event Study (DWCIE)

Myopia | Hyperopia | Corneal Infiltrative Events

United States
Oklahoma State University

Recruiting

Exercise-Induced Gut Permeability in Normal-weight Obesity

Obesity | Normal-weight Obesity

United States
University Hospital, Brest

Terminated

Validation of a Walk-Time Limit Test (WTLT) Derived From the 6-Minute Walk Test (6-MWT) in Patients With Chronic Cardiovascular or Respiratory Diseases (TTLM)

Chronic Obstructive Pulmonary Disease | Cardiovascular Insufficiency

France
University of Wisconsin, Madison

Recruiting

Oral and Swallowing Function in Older Adults

Oropharyngeal Dysphagia

United States
Alcon Research

Completed

Initial Performance of a Modified Daily Disposable Contact Lens

Refractive Error
Alcon, a Novartis Company

Completed

ACUVUE® OASYS® 1-DAY vs DAILIES TOTAL1®

Refractive Error

United States
NYU Langone Health
National Institute of Mental Health (NIMH)

Recruiting

Stress & Self-Control Costs

Self-Control

United States
Alcon Research

Completed

Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Multifocal Contact Lenses

Presbyopia

United States
Rennes University Hospital

Completed

Estimation of Myocardial Iron Overload by 3 Tesla MRI in HFE Hereditary Haemochromatosis (HEMOCOEUR)

Myocardial Iron Overload | HFE-Associated Hereditary Hemochromatosis

France
Alcon Research

Completed

Clinical Biocompatibility Evaluation of Contact Lens Coatings

Refractive Errors | Ametropia

United States
Alcon Research

Completed

Two Daily Disposable Contact Lenses in Symptomatic Patients

Myopia

United States
Bausch & Lomb Incorporated

Completed

Safety and Efficacy of a Contact Lens for Daily Disposable Use

Myopia

United States
Alcon Research

Completed

Assessing Fitting Guides in Alcon Multifocal Contact Lenses

Refractive Errors | Presbyopia

United States, Canada, United Kingdom
Thomas Jefferson University
National Cancer Institute (NCI)

Active, not recruiting

A Text-based Intervention in Improving Adherence to Hormone Therapy in Patients With Stage I-III Hormone Receptor Positive Breast Cancer

Anatomic Stage I Breast Cancer AJCC v8 | Anatomic Stage IA Breast Cancer AJCC v8 | Anatomic Stage II Breast Cancer AJCC v8 | Anatomic Stage IIA Breast Cancer AJCC v8 | Anatomic Stage IIB Breast Cancer AJCC v8 | Anatomic Stage III Breast Cancer AJCC v8 | Anatomic Stage IIIA Breast Cancer AJCC v8 | Anatomic Stage IIIB Breast Cancer AJCC v8 and other conditions

United States
Izmir Dr Suat Seren Chest Diseases and Surgery...
Turkish Respiratory Society

Completed

Long Term Outcomes of Coronavirus Disease-19 (COVID-19)

Covid19

Turkey
Vanderbilt University Medical Center

Completed

Noradrenergic and Stress-Related Etiologies of Chronic Fatigue Syndrome

Chronic Fatigue Syndrome

United States
M.D. Anderson Cancer Center
National Cancer Institute (NCI)

Active, not recruiting

Circulating Cell-Free Tumor DNA Testing in Guiding Treatment for Patients With Advanced or Metastatic Colorectal Cancer

Stage IV Colorectal Cancer AJCC v8 | Stage IVA Colorectal Cancer AJCC v8 | Stage IVB Colorectal Cancer AJCC v8 | Stage IVC Colorectal Cancer AJCC v8 | Stage III Colorectal Cancer AJCC v8 | Stage IIIA Colorectal Cancer AJCC v8 | Stage IIIB Colorectal Cancer AJCC v8 | Stage IIIC Colorectal Cancer AJCC... and other conditions

United States
Alcon Research

Not yet recruiting

Post-market Clinical Follow-up Study of Alcon PRECISION1™ Spherical and PRECISION1™ for Astigmatism Soft Contact Lenses

Refractive Errors
Alcon Research

Completed

Clinical Evaluation of DAILIES TOTAL 1® Multifocal Compared to 1-Day Acuvue® Moist® Multifocal in a Japanese Population

Refractive Error | Presbyopia

Japan
Alcon Research

Completed

A Comparison of Two Color Contact Lenses in Habitual Clear Contact Lens Wearers

Myopia
Stanford University

Recruiting

Obstetric Placement Study Using EST

Anesthesia, Local | Obstetric Pain

United States
Henry M. Jackson Foundation for the Advancement...
Infectious Diseases Clinical Research Program

Completed

Screening for Latent Tuberculosis Infection (LTBI) in US Army Recruits (LTBI)

Latent Tuberculosis Infection

United States
Universitaire Ziekenhuizen KU Leuven
Gaba International AG

Unknown

New "in Vitro" Diagnostic Test for Oral Malodour (Striptest)

Halitosis

Belgium
Scripps Poway Eyecare and Optometry
Sengi

Completed

Subjective Wearing Experience of the Total30 for Astigmatism Lens Among Satisfied Biofinity Toric Lens Wearers

Astigmatism

United States
Alcon Research

Completed

Clinical Validation of DACP Digital Design

Refractive Errors

United States
Alcon Research

Completed

Tear Film Evaluation of Dailies® AquaComfort Plus® Multifocal and Toric

Refractive Error
Alcon Research

Completed

Optimization of Assessment and Grading for Lid Wiper Epitheliopathy (BURNABY)

Dry Eye

Canada
Alcon Research

Completed

Clinical Comparison of Silicone Hydrogel Monthly Lenses

Refractive Error

United Kingdom
Alcon Research

Completed

Clinical Evaluation of Two Monthly Replacement Silicone Hydrogel Contact Lenses

Astigmatism | Myopia
Alcon Research

Completed

Clinical Performance of Two Daily Disposable Toric Soft Contact Lenses

Refractive Errors | Astigmatism | Ametropia

United States
The Hong Kong Polytechnic University
Menicon Co., Ltd.

Active, not recruiting

Monthly Replacement Orthokeratology for Myopia Control in Young Children (MR2)

Myopic Progression

Hong Kong
ApexLens Co., Ltd.
Chang Gung Memorial Hospital; Taipei Medical University WanFang Hospital

Unknown

Performance and Safety of Silicone Hydrogel Soft Contact Lenses

Myopia

Taiwan
OASIS Diagnostics S.A.

Completed

Impedance Spectroscopy in Detection of Obstetric Anal Sphincter Injuries

Delivery, Obstetric | Obstetric Anal Sphincter Injury

Poland
Hospices Civils de Lyon

Completed

Covert-saccades, Dynamic Visual Acuity and Quality of Life (COSQOL)

Vestibular Diseases

France
University Ghent

Completed

The Impact of Lenses on Musculoskeletal and Visual Complaints in VDU Workers With Neck Complaints

Neck Pain
Alexandria University

Recruiting

Potential Correlation Between Heart Rate Variability With Cardiovascular Risk at Different Stages of Metabolic Syndrome

Diabetes Mellitus

Egypt
University Hospital, Bordeaux

Completed

Sleep, Cognition and Memory Disorder (SCOAL)

Cognitive Impairment | Sleep Disorders | Sleep Architecture

France
The Hong Kong Polytechnic University
Menicon Co., Ltd.

Active, not recruiting

Monthly Replacement Orthokeratology for Myopia Control in Existing Lens Wearers (MR1)

Myopic Progression

Hong Kong
Alcon Research

Completed

Clinical Assessment of Two Daily Wear Monthly Replacement Soft Silicone Hydrogel Contact Lenses

Myopia

United States
Alcon Research

Completed

Clinical Evaluation of a Silicone Hydrogel Daily Wear Monthly Replacement Contact Lens

Refractive Errors

United States
University of Alabama at Birmingham
National Institute of Mental Health (NIMH)

Recruiting

MicroRNA Correlates of Childhood Maltreatment and Suicidality

Suicidal Ideation | Major Depressive Disorder

United States
Çağtay Maden

Completed

Relationship Between Head Posture Muscles, Pulmonary Capacity and Functional Capacity: a Myotonometric Assessment

Forward Head Posture | Muscle Tone | Muscle Stiffnes | Muscle Elasticty | Vital Capacity

Turkey
University Hospital, Tours

Completed

Biomarkers of Antidepressant Resistance (BIORESA)

Depression

France

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