Listen:
Availability:
Sorry, this programme is not available to listen again. (why?)
Last broadcast on Mon, 13 Oct 2008, 21:00 on BBC Radio 4.
Synopsis
Edi Stark finds out why a little-known eye condition called binocular instability or visual stress is going undiagnosed in hundreds of thousands of adults and children in Britain.

Broadcast
-
Mon 13 Oct 200821:00
