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. Author manuscript; available in PMC: 2010 Dec 6.
Published in final edited form as: Handb Clin Neurol. 2009;93:595–611. doi: 10.1016/S0072-9752(08)93029-3

Figure 4. Examples of retinal artery emboli.

Figure 4

Funduscopic photographs showing: (A) a refractile cholesterol retinal embolus (Hollenhorst plaque, arrow head) found in the right eye of a patient who had an episode of transient visual loss in the right eye (OD); (B) a branch retinal artery embolus in a patient with monocular vision loss in the left eye (OS). The embolus is whitish and disrupts the blood flow within the artery, suggesting a platelet-fibrin embolus (arrow head) from carotid artery atheroma. There is an intraretinal hemorrhage inferiorly related to retinal ischemia (*); (C) multiple bilateral retinal emboli (arrow heads) in the setting of valvular endocarditis (Roth’s spots) with bilateral branch arterial occlusions and two intraretinal hemorrhages OS (*).