U2 Surprise Subway Concert in Ukraine

Associated PressIn this May 26, 2015 file photo, Bono of U2 performs at the Innocence + Experience Tour at The Forum in Inglewood, Calif. Bono, who has had problems with his own eyesight, is partnering with a company to provide better eye care to the underprivileged. Bono was diagnosed with glaucoma two decades ago and while he says his eyesight is now ok. But in a statement, Thursday, July 23, he said "tens of millions of people around the world with sight problems don’t have access to glasses, or even a basic eye test." (Photo by Rich Fury/Invision/AP, File)