PETERBOROUGH, UNITED KINGDOM - FEBRUARY 03: Camilla, Duchess of Cornwall tries on a pair of green glasses at Boots Opticians on February 3, 2016 in Peterborough, United Kingdom. The Duchess of Cornwall is in Peterborough to promote reading and storytelling as part of her role as a parton of the National Literacy Trust, who are currently working with Boots to highlight the links between eye health and reading. (Photo by Chris Radburn - WPA/Getty Images)
