Related Experiment Video
Updated: Feb 22, 2026

07:23
Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography
Published on: March 26, 2020
8.7K
Optical Coherence Tomography Angiography to Better understand Glaucoma.
1Head, Glaucoma and Perimetry Unit, Department of Ophthalmology Semmelweis University, Budapest, Hungary.
Journal of Current Glaucoma Practice
|September 20, 2017
Summary
Optical coherence tomography angiography (OCTA) offers noninvasive assessment of retinal perfusion. OCTA is valuable for understanding peripapillary retinal perfusion in glaucoma.
Area of Science:
- Ophthalmology
- Medical Imaging
- Retinal Vascular Diseases
Background:
- Optical coherence tomography angiography (OCTA) encompasses OCT-based technologies for noninvasive retinal perfusion assessment.
- It relies on detecting moving red blood cells to visualize vascular networks.
Discussion:
- OCTA is primarily utilized in evaluating macular diseases (e.g., macular degeneration, diabetic macular edema) and optic disk diseases like glaucoma.
- This technology enables detailed investigation of vascular structure and perfusion in these retinal areas.
Key Insights:
- OCTA provides a noninvasive method to assess retinal perfusion.
- Its application in the peripapillary retina is crucial for glaucoma diagnosis and management.
Outlook:
- Further exploration of OCTA's potential in quantifying peripapillary perfusion is warranted.
- OCTA is poised to enhance our understanding and treatment of glaucoma.
Related Concept Videos
Glaucoma: Overview
1.5K
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...
1.5K
Open Angle Glaucoma: Treatment
1.0K
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...
1.0K
Angle Closure Glaucoma: Treatment
1.4K
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...
1.4K

