"It sounds like something out of science fiction—or 'Ripley’s Believe It Or Not'—but it isn’t.

Britain’s Daily Telegraph reports the story of Russell Turnbull, who tried to break up a fight while riding home on the bus one night. For his pains, Turnbull ended up getting ammonia sprayed into his right eye, which scarred his cornea. Turnbull lost most of his sight in that eye, and suffered pain every time he blinked."