Each week we feature Shower Thoughts, where we find experts to answer curious questions about the world and how it works.
And tonight, something we often take for granted -- our vision.
What is it like living your life, day to day, without it?
Nearly two-hundred thousand New Zealanders live with blindness, or low vision, and demand for vision services is only going up year-on-year.
Dan Shepherd is part of Blind Low Vision New Zealand, where he works as the General Manager of Community and Inclusion. He joins Mark Leishman.
Dan Shepherd is the general manager of Community and Inclusion for Blind Low Vision NZ - he waited four years to be matched with his guide dog Ezra. Photo: