- Mark Pollock was blind, then paralyzed by a 2010 accident
- He walks with the assistance of a "robotic exoskeleton"
- Pollock says people must learn to recognize the reality of their situations to move forward
(CNN)As a young boy growing up in Northern Ireland, Mark Pollock dreamed of being Superman one day.
Like his childhood comic hero, action and adventure have filled Pollock's life, but also tragedy. He is blind, and an accident as an adult left him paralyzed. But he never let his physical setbacks stop him.