be as blind as a bat

(humorous)

to be completely blind I'm as blind as a bat without my glasses.

Name	Pronounced	Usage
Gvidas	-	Lithuanian
Aias	ie-ahs (Ancient Greek)	Greek Mythology
Jasna	-	Croatian, Serbian, Slovene, Macedonian
Aviya	-	Hebrew
Keghart	-	Armenian
Dulcibella	-	English (Archaic)