Lost backpacker drank lens fluid and urine

By Ellen Lutton
Updated February 17 2013 - 8:08pm, first published 7:20pm
Claire Derry, mother of British backpacker Sam Derry-Woodhead, enroute to Longreach to reunite with her son.
Claire Derry, mother of British backpacker Sam Derry-Woodhead, enroute to Longreach to reunite with her son.
Survived on contact lens fluid ... Missing backpacker Sam Woodhead, 18.
Survived on contact lens fluid ... Missing backpacker Sam Woodhead, 18.

A young British backpacker found alive after three nights lost in the Queensland outback survived by drinking contact lens fluid and his own urine, his mother has revealed.