He had been playing a game of football while wearing his key on a necklace. When the patient went to head the ball, his key flew upwards against gravity, got in the way of the flight path of the approaching football, and penetrated his left eye socket. CT showed that the key had lodged deep within the orbit, but fortunately it did not injure the globe (figure C). The patient had surgery to loosen and remove the key which had become lodged in the inferior wall of the orbit. He was also given prophylactic broad-spectrum antibiotics. He recovered well after surgery and has no visual sequelae.