Clinical trials: Optical Coherence Tomography (OCT)
Corneal Deformity, Macular Degeneration Advanced
Comparison of Ocular Changes by Surgical Menopause Using Optical Coherence Tomography (OCT)
The aim of this study is to investigate the early changes in macular thickness, corneal thickness and intraocular pressure in young women undergoing surgical menopause.
- Conditions
- Corneal Deformity, Macular Degeneration Advanced, Surgical Menopause
- Trial name
- NCT05920655
- Testing
- Optic coherence tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Batman Training and Research Hospital
Multiple Sclerosis
Evaluation of the Relationship Between Optic Nerve Diameter and Optic Nerve Sheath Diameter Measured by Transorbital Sonography With Clinical, Radiological, and Electrophysiological Parameters in Multiple Sclerosis Patients
The primary aim of this study is to evaluate the reliability of optic nerve diameter (OND) and optic nerve sheath diameter (ONSD) measurements made with transorbital sonography (TOS) and magnetic resonance imaging (MRI) in…
- Trial name
- NCT06533930
- Testing
- Transorbital Sonography, Orbita Magnetic Resonance Imaging, Visual Evoked Potentials
- Where
- Turkey (Türkiye)
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Kutahya Health Sciences University
Choroidal Neovascularization
Evaluation of the Effect of Vitreous Composition Determined by Ultrasound and Optical Coherence Tomography (OCT) on Ranibizumab Therapy
The primary objective: *To measure the difference in the number of Ranibizumab therapies needed in 12 months in the Posterior Vitreous Detachment (PVD) positive and Posterior Vitreous Detachment (PVD) negative group.
- Trial name
- PVD (NCT01256632)
- Testing
- Ranibizumab
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Vision Research Foundation
Wavefront Aberration, Corneal, Refractive Errors
Digital Wavefront Sensing
A holographic optical coherence tomography (H-OCT) setup is used to detect the wavefront by means of phase reconstruction.
- Trial name
- DWS (NCT04597255)
- Testing
- Holographic optical coherence tomography
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Central Serous Chorioretinopathy
Optical Coherence Tomography Angiography (OCT-A) and Central Serous Chorioretinopathy (CSC)
Optical Coherence Tomography Angiography (OCT-A) is a noninvasive imaging technique that allows one to see blood vessels in the retina.
- Trial name
- OPACITY (NCT03950089)
- Testing
- Optical Coherence Tomography Angiography (OCT-A)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Optical Coherence Tomography of Retina
Comparative Study of High Performance Low-Cost Optical Coherence Tomography
The purpose of this study is to complete performance testing of our custom optical coherence tomography (OCT) device to verify it can deliver retinal images of similar quality to a commercial OCT device.
- Trial name
- NCT05530460
- Testing
- retinal imaging with low-cost OCT device, retinal imaging with commercial OCT device
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Duke University
Glaucoma
To Evaluate the Effect of Ginkgo Biloba Extract on Optic Nerve Head Perfusion Examined Using OCTA
Glaucoma is defined as progressive neuropathy of the optic nerve. It is an important cause of irreversible blindness worldwide. Lowering the intraocular pressure is the only proven treatment for this neurodegenerative disease.
- Trial name
- GBE (NCT04846179)
- Testing
- Ginkgo biloba extract
- Where
- Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Nova Scotia Health Authority
Choroid, Retina
Effect of Different Intensities of Repeated Low-Level Red-Light Therapy on Choroidal and Retinal Blood Flow Among Adults
The purpose of this clinical trial is to evaluate the effect of different intensities of repeated low-level red-light (RLRL) therapy on the choroidal and retinal blood flow among adults.
- Trial name
- NCT05747742
- Testing
- RLRL device
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- The Second People's Hospital of Foshan
Advanced Glaucoma, Failed Trabeculectomies
Imaging Ahmed Glaucoma Tubes With a Pericardial Graft and Tissue Glue or Partial-Thickness Scleral Flap and Sutures
When implanting an Ahmed glaucoma tube, a scleral flap is usually created to cover the tube, and the conjunctiva is stitched back in place with nylon 10-0 sutures.
- Trial name
- NCT00453024
- Testing
- Pericardial graft & tissue glue, scleral flap & sutures
- Where
- Singapore
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National University Hospital, Singapore
Graves Disease, Graves Ophthalmopathy
Systemic Inflammation, Thyroid Autoimmunity and Neuroretinal Changes in Graves Disease
This retrospective observational study aims to evaluate the relationship between systemic inflammatory parameters, thyroid autoimmunity markers, and neuroretinal structures in patients with Graves disease.
- Trial name
- NCT07480720
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Elazıg Fethi Sekin Sehir Hastanesi
Band Atrophy, Chiasmal Compression
High-Resolution Optical Coherence Tomography for Detection of Retinal Nerve Fiber Layer Loss in Band Atrophy of the Optic Nerve
The purpose of this study is to compare the abilities of high-speed,high-resolution (HR) optical coherence tomography (OCT) and Stratus OCT for detection of retinal nerve fiber layer (RNFL) loss in eyes with band atrophy (BA) of…
- Conditions
- Band Atrophy, Chiasmal Compression, Neural Loss
- Trial name
- NCT00607100
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Port-wine Stain
Evaluate the Port-wine Stain Birthmark Treatment Before and After Pulsed Dye Laser Treatment
Port-wine stain is a congenital, progressive vascular malformation of human skin involving post-capillary venules that occurs in an estimated 0.3% of children and can alter personality development and psychological in children.
- Trial name
- NCT01774552
- Testing
- Photo Acoustic Microscopy and Optical Coherence tomography
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Choroidal Neovascular Membrane In Wet Age Related Macular Degeneration And In Pathological Myopia
Optical Coherence Tomography Angiography Criteria Of The Choroidal Neovascular Membrane In Wet Age Related Macular Degeneration And In Pathological Myopia (Comparative Study).
This study aims to compare choroidal neo-vascular membrane criteria in cases of age-related macular degeneration and cases of pathological myopia.
- Trial name
- NCT05562336
- Testing
- Optical coherence tomography angiography
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Sohag University
Retinal Disease
Peripheral Retina Robotically Aligned OCT Study
Optical coherence tomography (OCT) is a 3D imaging technology that has seen wide adoption within ophthalmology. However, optical access to the retinal periphery remains a challenge for conventional OCT systems.
- Trial name
- PR-RAOCT (NCT06451068)
- Testing
- Peripheral retina robotically aligned optical coherence tomography (OCT) system, Likert Scales
- Volunteers
- healthy volunteers welcome
- Sponsor
- Duke University
Diabetic Retinopathy, Periodontitis
Periodontitis Severity in Patients With Diabetic Retinopathy
The aim of this observational study is to investigate the relationship between periodontal disease severity and retinal layer thickness in patients diagnosed with diabetic retinopathy (DR), using optical coherence tomography…
- Trial name
- NCT07137013
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
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
High Myopia, Choroid
Effect of Caffeine on Ocular Circulation in High Myopes
To investigate the effect of caffeine on ocular circulation by using Optical Coherence Tomography and Optical Coherence Tomography Angiography.
- Trial name
- NCT03294967
- Testing
- Caffeine, Vitamin E
- Where
- Hong Kong
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Celiac Disease, Healthy
Imaging the Duodenum Using an Optical Frequency Domain Imaging OFDI Capsule
The study is being done to assess the tolerability and feasibility of a tethered OFDI capsule to image the duodenum. A total of 108 participants (36 healthy and 72 with clinically suspected or diagnosed Celiac disease) will be…
- Trial name
- NCT02202681
- Testing
- OFDI Capsule
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Myopia
Optical Coherence Tomography Angiography in Myopic Patients
The aim of this study is to investigate the macular microvascular network alterations in high myopic eyes using optical coherence tomography angiography.
- Trial name
- NCT04135209
- Testing
- Optical coherence tomography angiography OCTA
- Where
- Egypt
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Minia University
Carotid Stenosis
Optical Coherence Tomography Angiography Evaluation of Ocular Changes in Patients With Carotid Artery Stenosis
This study aims to evaluate ocular changes in patients with carotid artery stenosis by optical coherence tomography angiography before and after carotid artery revascularization procedure.
- Trial name
- NCT04326842
- Testing
- Carotid artery revascularization procedure, Optical coherence tomography angiography
- Where
- China
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Harbin Medical University