Search clinical trials for: optical diameter

Total 2012 results

Medical University of Vienna

Recruiting

Non-invasive Measurement of Retinal Blood Flow Based on Vessel Analysis and Fourier Domain Optical Coherence Tomography in Patients With Hypertensive Retinopathy

Hypertensive Retinopathy

Austria
Medical University of Vienna

Recruiting

Neurovascular Coupling in Subjects With Amblyopia

Amblyopia ex Strabismus | Amblyopia ex Anisometropia

Austria
Medical University of Vienna

Recruiting

Assessment of Retinal Vessel Diameters and Red Blood Velocities in Patients With BRVO and Healthy Subjects

Branch Retinal Vein Occlusion | Retinal Blood Flow | Retinal Oxygen Saturation

Austria
Balikesir University

Active, not recruiting

The Effect of Alveolar Recruitment Manoeuvre on Optic Nerve Sheath Diameter in Laparoscopic Hysterectomies

Recruitment | Hysterectomy | Optic Nerve

Turkey
Kahramanmaras Sutcu Imam University

Completed

Effect of Smokeless Tobacco on Anterior Segment

Eye Manifestations | Tobacco; Use, Harmful | Tobacco Chewing Toxicity

Turkey
ASST Fatebenefratelli Sacco

Completed

Optical Nerve Sheath Changes During Head Down Laparoscopy

Pneumoperitoneum | Intracranial Hypertension | Brain Edema | Surgery, Laparoscopic

Italy
Wenzhou Medical University

Completed

Age-Related Changes and Cycloplegia-Induced Differences in the Human Crystalline Lens

Cataract

China
Hospital Dr. Miguel Pérez Carreño

Completed

Optic Nerve Sheath Diameter in Retrobulbar Ultrasound as a Surrogate Measure for Intracranial Pressure Before and After Non-invasive Strategies

Intracranial Hypertension | Optic Nerve Sheath Diameter

Venezuela
Medical University of Vienna

Completed

Measurement of Total Retinal Blood Flow in Patients With Diabetes and Healthy Subjects

Type I Diabetes

Austria
Yonsei University

Completed

Effect of the Pigment-free Optical Zone Diameter of Decorative Tinted Soft Contact Lenses on Visual Function

Tinted Contact Lense

Korea, Republic of
Sohag University

Not yet recruiting

Impact of Diabetes Mellitus on Retinal Microvasculature in Patients Without Clinical Retinopathy Using Optical Coherence Tomography Angiography

Diabetic Retinopathy, DR
Roswell Park Cancer Institute

Recruiting

Functional Near-Infrared Spectroscopy and Virtual Reality Relaxation Programs for Pain Management in Patients With Cancer

Malignant Solid Neoplasm | Breast Carcinoma | Kidney Carcinoma | Malignant Thoracic Neoplasm

United States
Shanghai Chest Hospital

Not yet recruiting

Optical Biopsy for Peripheral Pulmonary Lesions

Peripheral Pulmonary Lesions

China
University Hospital, Lille
Région des Hauts-de-France; All hospitals from Région des Hauts-de-France (n=20) and other collaborators

Not yet recruiting

Predictive Value of the Optic Nerve Involvement in Clinically Isolated Syndrome (HdeFIMS)

Multiple Sclerosis | Clinically Isolated Syndrome
Centre Hospitalier de Mâcon
Centre Hospitalier Universitaire Dijon; Centre Hospitalier William Morey -...

Recruiting

Histopathological Analysis Versus Full-field Optical Coherence Tomography of Minor Salivary Gland Biopsy in Suspect Sjogren Syndrome (TOCOSS)

Sjogren's Syndrome | Tomography Optical Coherence

France
Duke University
National Eye Institute (NEI); National Institutes of Health (NIH)

Not yet recruiting

Peripheral Retina Robotically Aligned OCT Study (PR-RAOCT)

Retinal Disease

United States
Rao Dermatology

Recruiting

Visualization of Topical Zoryve vs. Vehicle Using Line Field Optical Coherence Tomography in Healthy Skin

Healthy Skin

United States
Sichuan Provincial People's Hospital

Recruiting

Research of Endobronchial Optical Coherence Tomography in Pre-COPD (EBOCTIPCOPD)

Chronic Obstructive Pulmonary Disease | Pulmonary Function | Optical Coherence Tomography

China
Baylor College of Medicine
M.D. Anderson Cancer Center; William Marsh Rice University; Instituto do Cancer... and other collaborators

Not yet recruiting

Effectiveness and Performance of an Optical Biopsy Technology for Esophageal Cancer in Brazil and the United States

Suspected or Known Squamous Cell Neoplasia | Prior History of Squamous Cell Dysplasia and /or Neoplasia

Brazil, United States
Zhejiang Provincial People's Hospital

Recruiting

Fundus Optical coheRence Tomography Angiography Evaluation for Small-vessel Health in Cerebral Small Vessel Disease (FRESH-CSVD)

Cerebral Small Vessel Diseases | Retinal Ischemia | Choroid; Injury

China
Pamukkale University

Not yet recruiting

Evaluation of Supraclavicular Brachial Plexus Blocks at Various Volumes: Impact on Optic Nerve Sheath Diameter

Intracranial Pressure Increase | Upper Limb Injury

Turkey
Minia University

Recruiting

Role of AS-OCT in Assessment of Corneal Perforation (OCT)

Corneal Perforation

Egypt
Zhejiang University

Not yet recruiting

Comparing Artificial Intelligence for Assisted Diagnosis of Diabetic Retinopathy

Diabetic Retinopathy | Diabetic Macular Edema

China
Sichuan Provincial People's Hospital

Recruiting

Exploration of Optical Coherence Tomography-Guided Transbronchial Biopsy in Peripheral Pulmonary Lesions (OCTGTBIPPL)

Lung Neoplasm

China
All India Institute of Medical Sciences, Bhubaneswar

Not yet recruiting

Ultrasonography Guided Pneumoperitoneum for Laparoscopic Surgery in Morbidly Obese Patients (USP)

Pneumoperitoneum | Morbid Obesity | Bariatric Surgery Candidate

India
Suzhou Kerui Medical Technology Co., Ltd
Suzhou Mingshi Optical Technology Co., Ltd

Recruiting

A Clinical Trial to Evaluate the Efficacy and Safety of Defocusing Lenses in Delaying Myopia Progression

Myopia

China
Erasmus Medical Center

Recruiting

The Effect of a Laryngeal Mask Airway on Optic Nerve Sheath Diameter (ONSD laryngeal)

Intracranial Pressure Increase

Netherlands
University of Virginia
National Center for Complementary and Integrative Health (NCCIH)

Recruiting

Optical Measurements of the Skin Surface to Infer Distinctions in Myofascial Tissue Stiffness (OptMeasSkin)

Tissue Pain

United States
Instituto de Investigación Biomédica de Salamanca
Carlos III Health Institute

Recruiting

Unified platforM for a Better integRal Evaluation of MyeLodyspLastic Syndromes in SpAin-Strategy for Unraveling Personalized genoMic Medicine in Public heAlth System (UMBRELLA-SUMMA) (UMBRELLA-SUMMA)

Myelodysplastic Syndromes

Spain
Centre Hospitalier Universitaire Dijon

Recruiting

Dynamic Full-field Optical Coherence Tomography for Structural and Microbiological Characterization of Endotracheal Tube Biofilm in Critically Ill Patients (BIOPAVIR2)

Critically Ill | Endotracheal Tube | Healthcare Associated Infection

France
Walailak University

Recruiting

Refractive Outcomes and Ocular Biometry of Two Swept-Source Optical Coherence Tomography-Based Biometers With Segmental or Equivalent Refractive Indices (ORION) (ORION)

Cataract

Thailand
Johnson & Johnson Vision Care, Inc.

Recruiting

Evaluation of the Clinical Performance of Daily Disposable Silicone Hydrogel Multifocal Toric Contact Lenses

Visual Acuity

United States
Massachusetts General Hospital

Not yet recruiting

Study to Determine the Clinical Significance of Intravascular OCT-NIRAF

Cardiovascular Diseases | Coronary Artery Disease

United States
University Hospital, Basel, Switzerland
University of Basel

Recruiting

REtinal Markers In Neuroinflammatory Diseases ("REMIND")

Multiple Sclerosis | Neuroinflammatory Diseases

Switzerland
Aktiia SA

Not yet recruiting

Recording of Physiological Data Via an Optical Sensor at the Fingertip Alongside With Double Auscultatory and Pulse Oximetry to Evaluate the Effectiveness of an Optical Blood Pressure Monitoring (OBPM)

Hypertension

Switzerland
The Hong Kong Polytechnic University
The University of Hong Kong

Not yet recruiting

Combination Effect of Optical Defocus and Low Dose Atropine in Myopia Control

Myopia

Hong Kong
Institut Nacional d'Educacio Fisica de Catalunya
Hospital Clinic of Barcelona; Institut d'Investigacions Biomèdiques August... and other collaborators

Recruiting

Prehabilitation Exercise Program in Breast Cancer: Effects on Quality of Life and Tumor Microenvironment (PEP_BC) (PEP_BC)

Breast Cancer

Spain
IRCCS Eugenio Medea

Recruiting

Optical Genome Mapping for the Diagnosis of Neurodevelopmental Disorders

Neurodevelopmental Disorder (Diagnosis)

Italy
Chang Gung Memorial Hospital

Not yet recruiting

Comparison Between Combined ALLR With Single Bundle and Double Bundle Anterior Cruciate Ligament Reconstruction (ALLR)

Anterior Cruciate Ligament Injuries | Anterior Cruciate Ligament Reconstruction

Taiwan
Yonsei University
Gangnam Severance Hospital; Severance Hospital

Not yet recruiting

OCT-based Machine Learning FFR for Predicting Post-PCI FFR

Tomography, Optical Coherence | Fractional Flow Reserve, Myocardial
Shenyang Northern Hospital

Not yet recruiting

OCT or Angiography Guided De-escalation of DAPT

ST Elevation Myocardial Infarction | Dual Antiplatelet Therapy | Optical Coherence Tomography | Antiplatelet De-escalation | Neointimal Coverage

China
Karlstad Central Hospital

Not yet recruiting

Effects of Steep Trendelenburg and Pneumoperitoneum on Cardiac Performance.

Robotic Surgery | Heart Failure, Systolic

Sweden
Inonu University

Not yet recruiting

Effects of Vena Cava Inferior Measurements on AKI and Mortality.

Acute Kidney Injury | Intensive Care Unit
University of Palermo

Recruiting

SYsteMatical Trained learnIng aLgorithms for Oral carcInogenesiS Interpretation by Optical Coherence Tomography (SYMILIS OCT)

Oral Disease | Oral Cancer | Actinic Keratoses | Oral Leukoplakia | Oral Squamous Cell Carcinoma | Oral Lichen Planus | Graft-versus-host-disease | Proliferative Verrucous Leukoplakia | Actinic Cheilitis | Oral Potentially Malignant Disorder | Oral Erythroplakia | Oral Lichenoid Lesion

Italy
Audioptics Medical Incorporated

Not yet recruiting

Ossiview Normative Mobility Data Collection Protocol

Conductive Hearing Loss, Middle Ear
Vanderbilt University Medical Center

Recruiting

Retinal Vascular Changes During Pregnancy

Pregnancy

United States
Assiut University

Not yet recruiting

Relation Between Nail Fold Capillaroscopy, Optical Coherence Tomography Angiography, and Femoral Vein Wall Thickness in Behçet's Disease Relation Between Nail Fold Capillaroscopy, Optical Coherence Tomography Angiography, and Femoral Vein Wall Thickness in Behçet's Disease

Behçet's Disease
Massachusetts General Hospital

Not yet recruiting

A Comparative Clinical Study to Assess Pain Score and Wound Healing Following Fractional Ablation With a DFG Laser and CO2 Laser

Healthy

United States
IRCCS Fondazione Stella Maris

Recruiting

Optical Imaging as a Tool for Monitoring Brain Function in Fragile X Syndrome

Fragile X Syndrome

Italy
IRCCS Fondazione Stella Maris

Recruiting

Optical Imaging as a Tool for Monitoring Brain Function in Creatine Deficiency Syndromes

Creatine Deficiency, X-linked | Creatine Deficiency Syndrome Due to Gamt Deficiency

Italy

Search clinical trials for: optical diameter

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