The road to better vision… As a full-time athlete within the British Para-Cycling Team, Karen Darke, MBE FRSGS, has devoted her life to training, competing and pushing herself to her limits. Embarking on adventures from covering the 372-mile ice cap in Greenland whilst sitting on skis and using her poles traverse the ground, to climbing Mont Blanc, Matterhorn and El Capitan, she doesn’t let anything stop her. In 2012, she became a silver-medallist in the London Paralympics, and in 2016…