intraocular lens
C1CEFR level
80/100Rarity: very rare
TechnicalRegister
An artificial lens implanted inside the eye to replace the natural lens, typically after cataract removal.
The intraocular lens was calculated to leave him slightly myopic for comfortable reading.
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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