drusen of the optic nerve head
Definition: basophilic, laminated, calcareous acellular masses that resemble crystals within the nerve head, anterior to the lamina cribrosa, that may simulate papilledema and/or cause visual field defects.
Synonym(s): intrapapillary drusen
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.