By Andrew Gould U.S. Olympian Kim Glass said she suffered a fractured eye socket after a man she believed was homeless attacked her outside of a Los Angeles restaurant. Glass, a volleyball star who won a silver medal in 2008, shared her story in a video posted to Instagram. Showing visible bruises with her right eye shut by stiches, she said the man assaulted her with a medal object. The 37-year-old said her vision will be OK, and she thanked friends and family for their support while advising everyone to be careful and mindful of their surroundings. Onlookers sent their thoughts to Glass foll…