Clinical trials: Tomography, Optical Coherence
Alzheimer Disease, Dementia Alzheimers
Optical Coherence Tomography in Cerebral Amyloidosis
In this observational study, the investigators aim to evaluate whether changes in the retinal and choroidal circulation, as assessed by Optical Coherence Tomography (OCT) and the quantification of retinal amyloid deposits using…
- Conditions
- Alzheimer Disease, Dementia Alzheimers, Dementia, Lewy Body Disease
- Trial name
- NCT03472482
- Testing
- non-invasive retinal imaging
- Where
- Belgium
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Punctal Stenosis
AS OCT Evaluation for Perforated Punctual Plugs
Evaluation of the perforated punctal plugs after implantation in cases of punctal stenosis regarding position and patency in the early postoperative period (during the first operative weak)
- Trial name
- NCT04624022
- Testing
- Anterior segment optical coherent tomography
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Minia University
Myopia
Polarization Sensitive Optical Coherence Tomography
The purpose of the study is to use the polarization sensitive optical coherence tomography (PS-OCT) developed by Singapore Eye Research Institute, to evaluate the potential OCT scleral biomarkers capable of predicting risk of…
- Trial name
- NCT05809674
- Testing
- Polarization sensitive optical coherence tomography (PS-OCT)
- Where
- Singapore
- Volunteers
- 178 people, healthy volunteers welcome
- Sponsor
- Singapore Eye Research Institute
Capsule Opacification, Tissue Adhesions
Evaluate Capsular Apposition to Intraocular Lens
In this study, the investigators examined the capsule-IOL interaction including anterior and posterior capsule adhesion, contact between posterior capsule and the posterior edge of intraocular lense (IOL), configuration of…
- Conditions
- Capsule Opacification, Tissue Adhesions, Aphakia - Lens Capsule Present, Opacification of Intraocular Lens
- Trial name
- NCT01605812
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Wenzhou Medical University
Strabismus, Retinal Thickening
Choroidal and Retinal Thickness Following Strabismus Surgery
Prospective study, conducted at Tanta University Ophthalmology Department Measurement of macular and choroidal thickness before and after strabismus surgery
- Trial name
- NCT04285177
- Testing
- Strabismus surgery
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Tanta University
Myopic Choroidal Neovascularisation
OCTA Changes in Choroidal Neovascularization in High Myopia
To Analyze the Ability of Optical Coherence Tomography Angiography ( OCT-A ) to detect the presence of myopic Choroidal Neovascularization and to describe the structural features of Myopic CNV..
- Trial name
- NCT06357559
- Testing
- OCTA
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Crystalline Cataract, Lens; Anomaly
Age-related Changes of Crystalline Lens Tilt and Decentration: A Swept-source Optical Coherence Tomography Study
230 participants at Eye Hospital of Wenzhou Medical University during June, 2019 and August, 2019 were enrolled in this study. 230 right eyes and 88 left eyes were included for the measurement.
- Trial name
- NCT04487795
- Where
- China
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Yune Zhao
Myopia
The Immediate Effect of Defocus Spectacles On the Choroid Thickness Using Optical Coherence Tomography on Children
The purpose is to examine temporary changes in the subfoveal choroid thickness after removal and after resumed use of Defocus Incorporated Multiple Segment Spectacle Lenses (DIMS).
- Trial name
- TIDOCT (NCT06234189)
- Testing
- Defocus Incorporated Multiple Segment Spectacle Lenses (DIMS)
- Where
- Denmark
- Volunteers
- 16 people
- Sponsor
- Vejle Hospital
Sickle Cell Retinopathy
New, Previously Unknown, Uses of Optical Coherence Tomography Angiography (OCTA)
Sickle cell maculopathy was sparingly mentioned in the literature before despite the fact that sickle cell disease or sickle cell trait is common in people of many areas of the world.
- Trial name
- OCTA (NCT03068702)
- Testing
- Optical Coherence Tomography Angiography
- Volunteers
- 2 people
- Sponsor
- Dr. S.S. Michel Clinic
Disorder of Upper Digestive Tract
Near Infrared Optical Coherence Tomography of the Upper Aero-Digestive Tract
The Optical Coherence Tomography is a minimally-invasive diagnostic tool in both the office and operating room settings can identify sources of airway obstruction and effective surgical interventions.
- Trial name
- NCT00544427
- Testing
- Optical coherence tomography
- Where
- 3 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of California, Irvine
Corneal Opacities
Corneal Opacities in Children
A prospective observational study on corneal opacities in infants and children (1 month to 18 years old) will be conducted at CHLA. Most of these cases will be due to congenital corneal opacity (e.g.
- Trial name
- OCT (NCT02117323)
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Oregon Health and Science University
Uveitis, Anterior, Juvenile Idiopathic Arthritis
Imaging Based Uveitis Screening for Children With Juvenile Idiopathic Arthritis
This study seeks to describe, for children undergoing uveitis surveillance following a new diagnosis of juvenile idiopathic arthritis, the feasibility metrics of undertaking a randomised comparative study of routine slit lamp…
- Trial name
- UVESCREEN1 (NCT05984758)
- Testing
- AS-OCT imaging, Slit lamp examination
- Where
- United Kingdom
- Volunteers
- 80 people
- Sponsor
- Institute of Child Health
Multiple System Atrophy, Parkinsonism
Potential Use of Autologous and Allogeneic Mesenchymal Stem Cells in Patients With Multiple System Atrophy
The prevalence of Multiple System Atrophy (MSA) is reported to be between 3.4 - 4.9 cases per 100,000 population. The estimated average incidence is 0.6 - 0.7 cases per 100,000 people per year.
- Conditions
- Multiple System Atrophy, Parkinsonism, Multiple System Atrophy, Parkinson Variant
- Trial name
- NCT04876326
- Testing
- Autologous Adipose Mesenchymal Stem Cell Implantation, Allogeneic Umbilical Cord Mesenchymal Stem Cell Implantation, Allogeneic Umbilical Cord Mesenchymal Stem Cell and Adipose Secretome Implantation
- Where
- Indonesia
- Volunteers
- 15 people
- Sponsor
- Universitas Indonesia
Retinal Dystrophies, Color Vision Defects
Natural History Study of Inherited Retinal Diseases
This prospective, observational investigation seeks to delineate the interplay between chromatic vision deficits and both functional visual outcomes and anatomical retinal biomarkers in individuals affected by Inherited Retinal…
- Conditions
- Retinal Dystrophies, Color Vision Defects, Vision Disorders, Macular Degeneration
- Trial name
- MojiLVCDT (NCT07085533)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Augelux Therapeutics
Intermittent Exotropia
Lateral Rectus Muscle and Anterior Segment Optical Coherence Tomography (AS-OCT) in Two Recession Surgeries
Background and study aims : The investigators conducted this study to compare the movement of extraocular muscle after two types of recession surgery with non-invasive tool called AS-OCT.
- Trial name
- AS-OCT (NCT02450162)
- Testing
- lateral rectus recession (bilateral)
- Volunteers
- 60 people
- Sponsor
- Samsung Medical Center
Carotid Stenosis, Optical Coherence Tomography (OCT)
Endovascular Treatment of Cerebrovascular Diseases Guided by Optical Coherence Tomography (OCT) Technology（CVD-OCT）
OCT techniques have been used in the assessment of both intracranial and extracranial lesions.(1) Preprocedural evaluation: The morphologic characteristics of carotid atherosclerotic plaques can be evaluated by OCT before surgery…
- Conditions
- Carotid Stenosis, Optical Coherence Tomography (OCT), Endovascular Treatment
- Trial name
- （CVD-OCT) (NCT06986330)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Wannan Medical College
Brain Concussion
Tissue Repository and Master Database for Concussion Biomarker and Risk Calculator Development
The purpose of this study is to prospectively collect a comprehensive, multi-modality set of diagnostics on patients who have had a concussion, repeating some of these tests serially over time, so that the investigators may then…
- Trial name
- NCT02519998
- Testing
- Concussion
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Thomas Jefferson University
Multiple Sclerosis, Neuromyelitis Optica
Evaluation of Neural Loss in Multiple Sclerosis and Neuromyelitis Optica Using High Resolution Oct
The purpose of this study is to determine the ability of STRATUS OCT and high resolution OCT to detect and to quantify the neural loss in multiple sclerosis and neuromyelitis optica and its subtypes.
- Trial name
- NCT01024985
- Where
- Brazil
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Lung Cancer, Malignant Mesothelioma
Optical Coherence Tomography of the Airway for Lung Cancer or Lung Disease
RATIONALE: Diagnostic procedures, such as optical coherence tomography, may help find and diagnose lung cancer or precancerous cells.
- Conditions
- Lung Cancer, Malignant Mesothelioma, Metastatic Cancer, Nonmalignant Neoplasm
- Trial name
- NCT00733252
- Testing
- bronchoscopic and lung imaging studies, diagnostic bronchoscopy, histopathologic examination
- Where
- United States
- Sponsor
- Case Comprehensive Cancer Center
Ocular Toxoplasmosis
Spectral Optical Coherence Tomography Findings in Patients With Ocular Toxoplasmosis
Ocular toxoplasmosis is the most common cause of infectious uveitis worldwide. The diagnosis of ocular toxoplasmosis is primarily clinical when it is a typical presentation .With an atypical presentation in the fundus…
- Trial name
- NCT04219176
- Testing
- Spectral optical coherence tomography
- Volunteers
- 9 people
- Sponsor
- Université de Sousse