Clinical Trials on Physiology, Ocular

Total 5600 results

Johnson & Johnson Vision Care, Inc.

Completed

Feasibility Evaluation of Daily Disposable Toric Soft Contact Lenses Manufactured With an Alternative Hydration Process

Ocular Physiology

United States
Johnson & Johnson Vision Care, Inc.

Completed

Clinical Evaluation of Two Daily Disposable Toric Soft Contact Lenses Over One Week of Wear

Ocular Physiology

United States
Nidek Co. LTD.

Completed

Data Collection Study of the Nidek Optical Coherence Tomography RS-3000 for 3D Measurements of the Eye

Ocular Physiology

United States
Johnson & Johnson Vision Care, Inc.

Completed

Evaluation of Delefilcon A and Senofilcon A Daily Disposable Toric Soft Contact Lenses Over Two Weeks of Wear

Ocular Physiology

United States
Johnson & Johnson Vision Care, Inc.

Completed

Clinical Evaluation of Delefilcon A and Verofilcon A Daily Disposable Toric Soft Contact Lenses Over One Week of Wear

Ocular Physiology

United States
Medical University of Vienna

Withdrawn

Short Term and Day to Day Reproducibility of Reflectometric Measurement of Retinal Oxygen Saturation in Healthy Subjects

Ocular Physiology

Austria
Medical University of Vienna

Completed

Role of Adenosine in the Control of Choroidal Blood Flow During Changes in Ocular Perfusion Pressure.

Ocular Physiology | Microcirculation

Austria
Medical University of Vienna

Withdrawn

Relation Between Intraocular Pressure Lowering Effects of Topical Brimonidine and Alpha 2 Receptor Polymorphism

Intraocular Pressure | Ocular Physiology

Austria
Medical University of Vienna

Completed

Does Complement Factor H Gene Polymorphism Play a Role in the Regulation of Vascular Tone in the Choroid?

Macular Degeneration | Ocular Physiology | Regional Blood Flow | Genetic Polymorphism

Austria
Medical University of Vienna

Completed

Mechanisms of Choroidal Blood Flow Changes During Dark/Light Transitions

Ocular Physiology | Regional Blood Flow

Austria
Medical University of Vienna

Completed

Dopaminergic Modulation of Choroidal Blood Flow Changes During Dark/Light Transitions

Ocular Physiology | Regional Blood Flow

Austria
Medical University of Vienna

Completed

Choroidal Blood Flow Regulation During Isometric Exercise: Effects of Ca2+-Channel Blockade

Ocular Physiology | Regional Blood Flow

Austria
Medical University of Vienna

Completed

Effects of Topical Clonidine vs. Brimonidine on Choroidal Blood Flow and Intraocular Pressure During Isometric Exercise

Ocular Physiology | Regional Blood Flow

Austria
Medical University of Vienna

Terminated

Does eNOS Gene Polymorphism Play a Role in the Maintenance of Basal Vascular Tone in the Choroid or Optic Nerve Head?

Ocular Physiology | Regional Blood Flow

Austria
Medical University of Vienna

Completed

Effects of Indomethacin on Retinal and Choroidal Blood Flow in Healthy Volunteers

Ocular Physiology | Regional Blood Flow

Austria
Medical University of Vienna

Completed

Is There a Difference in Flicker Induced Vasodilatation Between Smokers and Non-Smokers?

Ocular Physiology | Retina | Blood Flow Velocity

Austria
Medical University of Vienna

Completed

The Effect of an α2-Adrenoceptor Antagonist (Yohimbine) on Dynamic Autoregulation in the Human Middle Cerebral Artery and Ophthalmic Artery

Ocular Physiology | Autoregulation | Blood Flow Velocity

Austria
Medical University of Vienna

Completed

Effects of Latanoprost on Choroidal Blood Flow Regulation in Human Subjects

Intraocular Pressure | Ocular Physiology | Regional Blood Flow

Austria
Medical University of Vienna

Withdrawn

Role of Endothelin- and Nitric Oxide-system in the Regulation of Optic Nerve Head Blood Flow During Changes in Ocular Perfusion Pressure

Ocular Physiology | Regional Blood Flow | Optic Disk

Austria
Medical University of Vienna

Completed

Role of Nitrogen Oxide (NO) in the Control of Choroidal Blood Flow During a Decrease in Ocular Perfusion Pressure

Regional Blood Flow | Microcirculation | Physiology, Ocular | Autoregulation

Austria
Johnson & Johnson Vision Care, Inc.

Completed

Evaluation of ACUVUE® OASYS 1-Day for Astigmatism Contact Lenses With Alternative Lidstock

Ocular Physiology

United States
Medical University of Vienna

Completed

Effects of Moxaverine and Placebo on Ocular Blood Flow

Ocular Physiology | Retina | Regional Blood Flow

Austria
Johnson & Johnson Vision Care, Inc.

Withdrawn

Evaluating Quality of Life Benefits of ACUVUE® Theravision® With Ketotifen in Subjects With Ocular Allergies

Ocular Physiology

Canada
Medical University of Vienna

Completed

Effects of Vitamin C on Hyperoxia-Induced Reduction of Retinal Blood Flow

Ocular Physiology | Regional Blood Flow

Austria
Medical University of Vienna

Completed

Effect of Xalacom® (Latanoprost/Timolol) and Combigan® (Brimonidine/Timolol) Fixed Combination on Intraocular Pressure and Ocular Blood Flow in Patients With Primary Open Angle Glaucoma or Ocular Hypertension

Ocular Physiology | Retina

Austria
University of Copenhagen
Rigshospitalet, Denmark

Unknown

GLP-1 Signaling in Truncally Vagotomized Subjects

Physiology

Denmark
Brigham and Women's Hospital

Active, not recruiting

Influence of Sleep Regularity on Circadian Rhythms, Learning, Performance, and Mood

Physiology

United States
University Hospital, Grenoble

Completed

Effect of NO Precursors on Physiological Responses to Exercise (NO-SUP)

Physiology

France
Massachusetts General Hospital

Recruiting

Impact of Sex and Age on Non-visual Light Input That Affects Sleep and Circadian Rhythms

Normal Physiology

United States
National Institute of Environmental Health Sciences...

Not yet recruiting

NIEHS Repository of Stored Biological Samples for Future Use

Normal Physiology

United States
National Institute of Neurological Disorders and...

Recruiting

Layer-specific Contribution to Consolidation of Skill Learning in the Primary Motor Cortex

Normal Physiology

United States
National Institute of Neurological Disorders and...

Recruiting

Functional Magnetic Resonance Imaging Sleep Study With Auditory Stimuli

Normal Physiology

United States
National Institute of Neurological Disorders and...

Completed

Task-dependent Effects of TMS on the Neural Biomarkers of Episodic Memory

Normal Physiology

United States
Stanford University

Completed

Effects of Different Tidal Volume Ventilation Strategies on Fontan Flow and Hemodynamics

Fontan Physiology

United States
National Institute of Neurological Disorders and...

Completed

Exploring the Relationship Between Brain Asymmetry and Attention

Normal Physiology

United States
National Center for Complementary and Integrative...

Completed

Sensory Afferents for Deep Pressure Sensation

Normal Physiology

United States
National Cancer Institute (NCI)

Completed

Effect of Genetic Differences on Levels of Water Disinfection Byproducts in Blood After Showering

Normal Physiology

United States
Save the Children
University of British Columbia; Bill and Melinda Gates Foundation; Aga Khan University and other collaborators

Completed

Evaluation of Technologies for Neonates in Africa (ETNA)

Neonatal Physiology

Kenya
Istanbul Physical Medicine Rehabilitation Training...

Completed

Vibration Induced Reflex Responses and Estimation of TVR (VIRR&TVR)

Physiology | Muscle

Turkey
University of Virginia

Unknown

Assessment of the Changes in Cortical and Medullary Renal Blood Flow During Exercise in Healthy Subjects Using Contrast Enhanced Ultrasound

Healthy | Physiology

United States
Tampere University Hospital

Withdrawn

How to Study Ventilatory Physiology With the Help of Surface Electromyography (EMG) Recordings

Ventilatory Physiology
Seoul National University Hospital
Woongjin Coway Corporation

Completed

The Effect of Electronic Cleansing Toilet System (Bidet) on Anal Resting Pressure

Anorectal Physiology

Korea, Republic of
Sunnybrook Health Sciences Centre

Not yet recruiting

MRI Guided Closed-loop TMS-EEG

Normal Physiology
National Institute of Neurological Disorders and...
National Institute for Biomedical Imaging and Bioengineering (NIBIB)

Recruiting

Assessing and Improving Quantitative Magnetic Resonance Imaging Metrics in Human Subjects

Normal Physiology

United States
The University of Hong Kong

Recruiting

Exercise-induced Erythropoiesis: the Mechanistic of Angiotensin II

Exercise Physiology

Hong Kong
National Institute of Mental Health (NIMH)

Recruiting

Characterization of an Optically Pumped Magnetometer (OPM) Magnetoencephalography (MEG) Array

Normal Physiology

United States
National Eye Institute (NEI)

Recruiting

Perception, Sensation, Cognition and Action in Humans

Normal Physiology

United States
National Institute of Mental Health (NIMH)

Recruiting

Development of Non-Invasive Brain Stimulation Techniques

Normal Physiology

United States
National Institute on Aging (NIA)

Recruiting

Development of 3T Magnetic Resonance Research Methods for NIA Studies

Normal Physiology

United States
Johns Hopkins University

Active, not recruiting

Assessment of Remote Vital Signs for Telemedicine Applications

Telemedicine | Physiology

United States

Clinical Trials on Physiology, Ocular

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CROs in Kenya

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