Bono Explains Why He's Always Wearing Sunglasses

Curious why Bono is always in sunglasses, even indoors? Well, it's not because the U2 frontman thinks he's too cool to go without shades. It's because, he recently revealed on the BBC's Graham Norton Show, he has glaucoma. Asked by Norton whether he ever takes the glasses off, Bono said, "This is a good place to explain to people that I've had glaucoma for the last 20 years." Glaucoma can make a person's eyes sensitive to light, the Telegraph explains. It can also lead to blindness if not treated, but Bono assured fans, "I have good treatments and I am going to be fine." (More glaucoma stories.)