The Collaborative International Dictionary
Vision \Vi"sion\, n. [OE. visioun, F. vision, fr. L. visio, from videre, visum, to see: akin to Gr. ? to see, ? I know, and E. wit. See Wit, v., and cf. Advice, Clairvoyant, Envy, Evident, Provide, Revise, Survey, View, Visage, Visit.]
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The act of seeing external objects; actual sight.
Faith here is turned into vision there.
--Hammond. (Physiol.) The faculty of seeing; sight; one of the five senses, by which colors and the physical qualities of external objects are appreciated as a result of the stimulating action of light on the sensitive retina, an expansion of the optic nerve.
That which is seen; an object of sight.
--Shak.-
Especially, that which is seen otherwise than by the ordinary sight, or the rational eye; a supernatural, prophetic, or imaginary sight; an apparition; a phantom; a specter; as, the visions of Isaiah.
The baseless fabric of this vision.
--Shak.No dreams, but visions strange.
--Sir P. Sidney. -
Hence, something unreal or imaginary; a creation of fancy.
--Locke.Arc of vision (Astron.), the arc which measures the least distance from the sun at which, when the sun is below the horizon, a star or planet emerging from his rays becomes visible.
Beatific vision (Theol.), the immediate sight of God in heaven.
Direct vision (Opt.), vision when the image of the object falls directly on the yellow spot (see under Yellow); also, vision by means of rays which are not deviated from their original direction.
Field of vision, field of view. See under Field.
Indirect vision (Opt.), vision when the rays of light from an object fall upon the peripheral parts of the retina.
Reflected vision, or Refracted vision, vision by rays reflected from mirrors, or refracted by lenses or prisms, respectively.
Vision purple. (Physiol.) See Visual purple, under Visual.
Wiktionary
n. The area that a person can see (with each eye) without turning the head
WordNet
n. all of the points of the physical environment that can be perceived by a stable eye at a given moment [syn: visual field, field of regard]
Usage examples of "field of vision".
Wings flapping, we passed into the bowering outbranches of the Startree while the suit optics continued to flow data across my field of vision.
What was going to happen now had a whole lot to do with Jeremy's silent partner, though at the moment the Intruder was sending no gem sparkles to brighten Jeremy's left eye's field of vision.
Also in the field of vision were several of the star clusters which, though outside the galaxy proper, spun with it through space.
I looked for don Juan and as I turned my head I noticed that my field of vision had diminished to a circular area in front of my eyes.
My eyes focused more sharply at the center of my field of vision while it became fuzzy around the edges.
An orange-and-black butterfly flickered across his field of vision.
Basse said, standing back so he could keep all of them in his field of vision.
Three people came into his field of vision and ranged themselves around the foot of the litter.
But on lowering his glasses something extraordinary passed across his field of vision.
I had also just raised my left arm so that that portion of my sleeve bearing the Amber Trump now hung within my field of vision.
With this thought, his field of vision opened as if he were a bird breaking through a layer of clouds below the sky.