Hollenhorst plaque
Hollenhorst plaques are seen on clinical examination of the retina and are the result of cholesterol emboli at the retinal arteriole bifrication . They most commonly originate from the carotid or aortic atheroscleroritc plaque . Hollenhorst plaques are a a risk factor for ischemic stroke and as such carotid ultrasound to assess for carotid artery stenosis is recommended regardless of visual symptoms .