Related Experiment Video
Updated: May 12, 2026

07:23
Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography
Published on: March 26, 2020
7.1K
Retinal Artery Occlusion: A Review of Current Management Practices
Hannah J Yu1, Sophia Choi1, Rodney Guiseppi2
1John Sealy School of Medicine, University of Texas Medical Branch, Galveston, Texas, USA.
Journal of Ophthalmic & Vision Research
|February 7, 2025
Summary
Retinal artery occlusion (RAO) causes sudden vision loss. This review covers RAO causes, presentation, and emerging treatments, including a systematic review of recent studies.
Area of Science:
- Ophthalmology
- Neurology
- Vascular Medicine
Background:
- Retinal artery occlusion (RAO) is a critical ischemic event leading to potential vision loss.
- RAO's causes are diverse, ranging from arteritic to non-arteritic origins, affecting vessels from the ophthalmic artery to its branches.
- Variable clinical presentations necessitate prompt evaluation and stroke workup.
Purpose of the Study:
- To review the pathophysiology, clinical presentation, and management of RAO.
- To systematically review recently published studies on RAO treatment options.
Main Methods:
- Literature review of RAO pathophysiology and clinical presentation.
- Systematic review of retrospective and prospective studies on RAO treatments.
Main Results:
- RAO etiology and lesion location influence clinical presentation and vision loss extent.
- No universally accepted standard treatment for RAO currently exists.
- Several treatment strategies are under investigation via ongoing trials.
Conclusions:
- RAO requires thorough evaluation due to varied causes and presentations.
- Ongoing research is crucial for developing effective RAO management strategies.
- This review synthesizes current knowledge and highlights future research directions.
Related Concept Videos
Open Angle Glaucoma: Treatment
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...
Angle Closure Glaucoma: Treatment
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...
Aortic Regurgitation III: Medical Management
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
Atherosclerosis III: Management
Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
Diabetic Retinopathy
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...

