The tools are found across Great Britain and date back to around A.D. 43 to A.D. 410, a time when much of the island was under Roman control. They do bear resemblance to modern-day cosmetic kits, but they're also similar to tools used in folk treatments of trachoma, the leading cause of preventable blindness around the world today, said Wendy Morrison, a researcher at the Institute of Archaeology at the University of Oxford. "Trachoma is a disease which has plagued humans for millennia," Morrison told LiveScience. "We have ethnographic examples from modern Africa and historical examples from ancient India that...