Fourteen people have suffered moderate or major loss of vision while waiting for treatment. The Southern District Health Board says mistakes like this won't happen again.
To embed this content on your own webpage, cut and paste the following:
<iframe src="https://www.rnz.co.nz/audio/remote-player?id=201844185" width="100%" frameborder="0" height="62px"></iframe>
for easy access to all your favourite programmes