Occlusions
Occlusions in the retina are caused by a physical blockage in the circulatory system of the eye and/or the retina specifically. The retina is particularly sensitive to occlusions, or physical obstructions in the circulation caused by an embolus, because of its nonfenestrated structure (see Chapter 1). Non-fenestrated circulatory systems, such as those in the brain and the retina, are highly organized, resulting in the branching of blood vessels at even intervals as they become smaller and ...
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