Looking At Something On Purpose Is Touching It With Eyes Or Glance
-- 1 I couldn't take my eyes off of him.
-- 2 I felt his glance.
-- 3 I met his glance with my own.
Discovering By Looking Is Manipulating With Eyes Or Glance
-- 1 Her eyes picked out a detail in the pattern.
Seeing Something By Accident Is Accidently Touching It With Eyes Or Glance
-- 1 My eyes happened to fall on the crucial clue.
-- 2 My glance happened to fall on the photograph.
-- 3 Our eyes met.Perhaps the "glance" is understood as a limb. "Eyes" in metonymy?Interacts with UNDERSTANDING IS SEEING. Seeing through deceptionpropably needs EYES ARE LIMBS.
Metaphors We Live By