31 year old lady , with complaint of one episode of transient visual loss and occasional headache. BCVA: OD—6/6; OS—6/5-2 Ocular Motility: Full, both eyes. Intraocular pressure: Normal, OU Pupils: Equally reactive in each eye, No RAPD. Adnexae, and Anterior segment examination: Normal
Optic disc drusen are globular, often calcified, hyaline bodies located within the optic nerve head
The exact etiology is not known, but ultrastructually drusen appear to be degenerative axonal by products.