papilloedema
/ˌpapɪlɪˈdiːmə/(also papilledema) Medicine
noun
Oedema or swelling of the optic disc, often due to increased intracranial pressure.
Origin
Early 20th century; earliest use found in John Herbert Parsons (1868–1957), ophthalmologist and physiologist. From papilla + oedema, after German Papillenödem.