Virginia Ophthalmologist, Randall V. Wong, M.D., Diseases and Diagnoses of the Retina and Vitreous

vitreoretinal disease

Retinal Vascular Occlusions

There Are Two Types: Artery and Vein

There are two main types of vascular occlusions in the retina; those that affect the venous system and those that affect the retinal arteries. Each is further broken into "branch" (aka hemi) or central; depending upon the extent of involvement of the vascular tree, i.e., central connotes involvement of the entire retina, whereas branch is usually half the retina or less.

In general, vein occlusions may occur in healthy individuals and is thought to be related to hypertension. Arterial occlusions may occur in patients with systemic vascular disease and occur when an "embolus" gets lodged in a retinal artery.

In both situations, involvement of the macula directly correlates with loss of vision. Branch retinal vein occlusions probably have the best visual prognosis. Central venous and artery occlusions have a worse visual prognosis and also have a greater chance of complications such as neovascular glaucoma.

Written by Randall V. Wong, M.D., retinal specialist Fairfax, Virginia.

Source: www.VirginiaOphthalmologist.com

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The information and reference materials contained herein are intended solely for the information of the reader. The information should not be used for treatment purposes, but rather for discussion with your own physician. In addition, the information provided should not be considered medical advice and is not intended to replace consultation with a qualified medical professional. The use of this website does not constitute a physician patient relationship. Should you have any concerns regarding your vision or eye care, please contact your local physician for consultation.

Copyright 2008 Randall V. Wong, M.D. All Rights Reserved.