It refers to a photographer. They spend their lives looking through the lens of a camera.
Life thru a Lens was created on 1997-09-29.
Expedition Journal - 1999 Life Through a Lens was released on: USA: 1999
Fame L-A- - 1997 Life Through the Lens 1-8 was released on:USA: 22 November 1997Fame L.A. - 1997 Life Through the Lens - 1.8 was released on:USA: 22 November 1997
The cast of Life Through a Lens - 2011 includes: Rowan Davie as Jack Kath Gordon as Rose Lily Hall as Lilly
A perons ears and nose grows through out their entire life.
Home Movies - 1999 Life Through a Fisheye Lens 1-9 was released on: USA: 23 September 2001
Consider the phrase deeply, from all angles, all perspectives of your life.
The phrase 'do for a living' is a term for a person's job; the job or profession that supports their life.
to look for the good things in life
One Way of Life
It's just a phrase meaning that things are great. "This is the sort of life everyone wants to lead."
The phrase you are looking for is "raison d'etre," French for "reason for being."