center of vision

center of vision

A point representing the intersection of the central axis of vision and the picture plane in linear perspective drawing. See also: Perspective projection
References in periodicals archive ?
Symptoms include blurriness, distortion and a dark spot in the center of vision.
Close to 2 million Americans suffer from macular degeneration, which gradually blots out the center of vision, and 6 million more are considered at high risk for it.
Away from the center of vision, the number of cones decreases, while the rods increase to a maximum about 20|degrees~ from the eye's optical axis, after which they too decrease.
It robs the individual of all but the outermost peripheral sight, often leaving only a blurred circle at the center of vision.

Full browser ?