Related Experiment Video
Updated: Jan 1, 2026
07:23
Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography
Published on: March 26, 2020
8.6K
Optical coherence tomography angiography in uveitis.
Paris Tranos1, Evdoxia-Maria Karasavvidou2,3, Olga Gkorou1
1Vitreoretinal & Uveitis Department, Ophthalmica Clinic, Vas.Olgas 196 and Ploutonos, 546 55, Thessaloniki, Greece.
Journal of Ophthalmic Inflammation and Infection
|December 25, 2019
Summary
Optical coherence tomography angiography (OCTA) offers new insights into ocular inflammation, surpassing traditional methods. Further research is needed to fully understand OCTA
Area of Science:
- Ophthalmology
- Medical Imaging
- Inflammatory Diseases
Background:
- Dye-based angiography was the standard for diagnosing and monitoring ocular inflammation.
- Optical coherence tomography angiography (OCTA) emerged in the early 2000s.
- OCTA visualizes capillary networks using light scattered by blood cells.
Purpose of the Study:
- To review the principles and applications of OCTA in ocular inflammatory disorders.
- To compare OCTA with traditional angiography (FFA, ICGA).
- To highlight OCTA's role in diagnosis, management, and complication identification.
Main Methods:
- Review of existing literature on OCTA and uveitis.
- Comparison of OCTA findings with fundus fluorescein angiography (FFA) and indocyanine green angiography (ICGA).
Main Results:
- OCTA provides enhanced visualization of pathophysiological changes in uveitis.
- OCTA contributes to diagnosis, management, and complication detection.
- OCTA shows promise in assessing uveitic entities.
Conclusions:
- OCTA represents a significant advancement over traditional angiography for ocular inflammation.
- Further investigation is required to optimize OCTA's application in uveitis.
- OCTA enhances the understanding and management of inflammatory eye conditions.
Related Concept Videos
01:27Open Angle Glaucoma: Treatment
907
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
907
01:25Glaucoma: Overview
1.2K
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.2K
01:28Angle Closure Glaucoma: Treatment
1.1K
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
1.1K
01:19Imaging Studies VII: Vascular Imaging
255
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
255
01:10Computed Tomography
7.9K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
7.9K
01:27Imaging Studies III: Computed Tomography
233
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
233