papilloedema
C2CEFR level
95/100Rarity: very rare
TechnicalRegister
Swelling of the optic disc seen on eye examination, indicating raised pressure within the skull.
Fundoscopy revealed bilateral papilloedema, confirming our concern about raised intracranial pressure.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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