visual acuity
B2CEFR level
50/100Rarity: uncommon
TechnicalRegister
The sharpness or clarity of a person's vision, typically measured with a Snellen chart at a fixed distance.
On presentation, her visual acuity was 6/12 in the right eye and 6/6 in the left.
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.
Get words like visual acuity on your lock screen, a few a day, with review that makes them stick.
Download on the App Store Lexfall puts a new word on your home and lock screen through widgets, so you learn without opening an app. Free to download. After a free trial, a subscription unlocks every field. Built for iPhone, iOS 15.1 or later.
On a computer?Scan with your iPhone camera.