1349: Mardad Rafat and Neil Lagali Discuss Pig Collagen Cornea Transplants

<div>Scientists in a university in Sweden have restored sight for people who were previously registered blind or visually impaired by transplanting corneas made from pig collagen.</div> <br> <div>David Hogg spoke with Mardad Rafat and Neil Lagali from University of Linköping to find out more about the experiment, its results and what it means for the future.</div>