Media playback is unsupported on your device

'How implanting a tooth in my eye restored my sight'

1 October 2013 Last updated at 10:08 BST

A man who started to lose his sight in 2002 has been speaking about the joy of seeing his twin boys again.

Ian Tibbetts underwent radical surgery which involved implanting part of one of his teeth into his eye.

His journey is described in a new BBC One documentary, The Day I Got My Sight Back, on 8 October 2013.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.