Blind Assumption

(I have a somewhat short haircut that falls mostly to my left side, which has a tendency to cover my left eye, especially when my hands are full and I can’t fix it. I keep this particular style because my eye is a bit lazy and I like to cover it up.)

Customer: *seemingly rather annoyed and in a rude tone* “How can you stand your hair blocking your eye like that? It would drive me insane!”

Me: *taken aback by his tone* “Well… Um… I’m actually mostly blind in that eye, so I don’t really see much out of it, anyway.”

Customer: “Oh.” *obviously seeing the mistake in his assumption, quickly grabs his change and items and runs off*