1. I'm as blind as a bat without my glasses.
2. He's as blind as a bat without his glasses.
3. She's as blind as a bat without her glasses.
4. Didn't you see me coming? You must be as blind as a bat!
5. The old man was as blind as a bat.
6. As blind as a bat is often heard.
7. I forgot my glasses so I'm as blind as a bat.
8. He is as blind as a bat without his glasses.
9. You can't read the sign from here? You must be as blind as a bat!