direct vision
n.
central vision
Words nearby direct vision
Example sentences from the Web for direct vision
In the control room, Bors watched out of a direct-vision port, giving occasional glances to the screens.
Talents, Incorporated |William Fitzgerald JenkinsA direct-vision spectroscope is like a small telescope with prisms arranged inside the tube.
Through Magic Glasses and Other Lectures |Arabella B. BuckleySeveral of the men had peered through the direct-vision ports, playing spotlight beams through them.
The Highest Treason |Randall Garrett