How could I have been so blind?

Was blind, but now I see.

Your eyes can start to swell and you can even go blind.

And that means that this blind area, which is designed to keep the sun out of their eyes,

[Narrator] This blind spot isn't usually a problem.

turn a blind eye to turn a blind eye  means to pretend not to notice something  

the mayor has turned a blind eye to the  city's homelessness problem that means  

Blind speakers, even those who have never seen gestures produced will regularly gesture when speaking.

they're called blind spots for a reason,

effect to blind me unless i surrendered myself to the sultan

My glasses are practically blind. Wow, what's that? Okay, we need to cross

(Zoom just incase you're blind as a bat)