Thousand Yard Stare -

: Before modern clinical terms, this look was referred to as "shell shock" or "battle fatigue". Lea's work provided a visual name for a phenomenon that had previously been difficult for civilians to grasp. The Psychology of Dissociation

: The eyes are typically unfocused, and the expression is emotionless or "dead set". Thousand Yard Stare

: The Marine in the painting had been in combat for 31 months, surviving tropical diseases and relentless fighting while most of his company had been killed or wounded. : Before modern clinical terms, this look was

Clinically, the thousand-yard stare is a physical manifestation of dissociation—a defense mechanism where the mind detaches from reality to protect itself from overwhelming pain or horror. : The Marine in the painting had been

: The term resurfaced during Vietnam, used by soldiers to describe peers who had the "life sucked out of them".

: The stare continues to be portrayed in film and literature to represent a character's internal collapse or loss of innocence.