visual inattention

vis·u·al in·at·ten·tion

the inability to perceive a stimulus in a visual field when a similar stimulus is presented and perceived simultaneously in the homologous visual field.

vis·u·al in·at·ten·tion

(vizh'ū-ăl in'ă-ten'shŭn) Decreased visual screening and regard to visual stimuli.
See also: visual neglect