Meaning of the word "(as) blind as a bat" in English

What does "(as) blind as a bat" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

(as) blind as a bat

US /əz blaɪnd əz ə bæt/
UK /əz blaɪnd əz ə bæt/
"(as) blind as a bat" picture

Idiom

1.

having very poor eyesight; unable to see well

Example:
Without my glasses, I'm as blind as a bat.
My grandmother is 90 years old and as blind as a bat, but she still loves to listen to audiobooks.
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