metamorphopsia
C2CEFR level
98/100Rarity: very rare
TechnicalRegister
Distortion of the perceived shape of objects, with straight lines appearing wavy.
The Amsler grid revealed metamorphopsia, prompting evaluation for a macular membrane.
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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