If you are getting your eyes checked, a doctor is checking on your vision — or your ability to see. But if you have visions of unicorns romping over rainbows, that's a whole other issue that the eye doctor can't address.

The noun vision describes how well you can see, but it can also refer to things you may see, but that aren't physically there. Sometimes people claim to have religious visions of God, angels, the Virgin Mary, and so on. The word can also be used to describe something that is lovely: "The bride was a vision in white."

Definitions of vision
  1. noun
    the ability to see; the visual faculty
    synonyms: sight, visual modality, visual sense
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    normal eyesight
    achromatic vision
    vision using the rods
    acuity, sharp-sightedness, visual acuity
    sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
    binocular vision
    vision involving the use of both eyes
    central vision
    vision using the fovea and parafovea; the middle part of the visual field
    chromatic vision, color vision, trichromacy
    the normal ability to see colors
    distance vision
    vision for objects that a 20 feet or more from the viewer
    eyesight, seeing, sightedness
    normal use of the faculty of vision
    monocular vision
    vision with only one eye
    near vision
    vision for objects 2 feet or closer to the viewer
    night vision, night-sight, scotopic vision, twilight vision
    the ability to see in reduced illumination (as in moonlight)
    daylight vision, photopic vision
    normal vision in daylight; vision with sufficient illumination that the cones are active and hue is perceived
    peripheral vision
    vision at the edges of the visual field using only the periphery of the retina
    20/20, twenty-twenty
    normal visual acuity, as measured by the ability to read charts at a distance of 20 feet
    unusually acute vision
    foveal vision
    vision with the fovea
    stereoscopic vision, stereoscopy
    three-dimensional vision produced by the fusion of two slightly different views of a scene on each retina
    type of:
    modality, sense modality, sensory system
    a particular sense
    sensitivity to stimuli originating outside of the body
  2. noun
    the perceptual experience of seeing
    “the runners emerged from the trees into his clear vision
    synonyms: visual sensation
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    aesthesis, esthesis, sensation, sense datum, sense experience, sense impression
    an unelaborated elementary awareness of stimulation
  3. noun
    unusual ability to think ahead and plan creatively or wisely
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    type of:
    foresight, foresightedness, foresightfulness
    providence by virtue of planning prudently for the future
  4. noun
    a vivid mental image
    “he had a vision of his own death”
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    a prophetic vision (as in a dream)
    a vision of events in the distant past
    type of:
    imagery, imagination, imaging, mental imagery
    the ability to form mental images of things or events
  5. noun
    the formation of a mental image of something that is not perceived as real and is not present to the senses
    synonyms: imagination, imaginativeness
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    fictitious place, imaginary place, mythical place
    a place that exists only in imagination; a place said to exist in fictional or religious writings
    a kind of imagination that was held by Coleridge to be more casual and superficial than true imagination
    fantasy, phantasy
    imagination unrestricted by reality
    dream, dreaming
    imaginative thoughts indulged in while awake
    imaginary being, imaginary creature
    a creature of the imagination; a person that exists only in legends or myths or fiction
    the place where you are after you die
    Annwfn, Annwn
    (Welsh mythology) the other world; land of fairies
    (Norse mythology) the heavenly dwelling of the Norse gods (the Aesir) and slain war heroes
    according to legend, an island in the Atlantic Ocean that Plato said was swallowed by an earthquake
    a land imagined by Jonathan Swift where everything was enormous
    an imaginary place where you say people are when they seem optimistically out of touch with reality
    (Middle Ages) an imaginary land of luxury and idleness
    El Dorado, eldorado
    an imaginary place of great wealth and opportunity; sought in South America by 16th-century explorers
    faerie, faery, fairyland
    the enchanted realm of fairies
    the abode of God and the angels
    a place or condition of ideal happiness
    Hades, Hell, Scheol, infernal region, netherworld, underworld
    (religion) the world of the dead
    Hell, Inferno, infernal region, nether region, perdition, pit
    (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment
    a land imagined by Jonathan Swift where intelligent horses ruled the Yahoos
    a land imagined by Jonathan Swift where impractical projects were pursued and practical projects neglected
    a land imagined by Jonathan Swift that was inhabited by tiny people
    (theology) in Roman Catholicism, the place of unbaptized but innocent or righteous souls (such as infants and virtuous individuals)
    an imaginary place for lost or neglected things
    (Norse mythology) the abode of humans in Norse mythology
    dreamland, dreamworld, never-never land
    a pleasing country existing only in dreams or imagination
    (theology) in Roman Catholic theology the place where those who have died in a state of grace undergo limited torment to expiate their sins
    an imaginary kingdom in central Europe; often used as a scene for intrigue and romance
    spirit world
    any imaginary place where spiritual beings (demons or fairies or angels or the like) abide
    Sion, Utopia, Zion
    an imaginary place considered to be perfect or ideal
    an imaginary realm of marvels or wonders
    dream, pipe dream
    a fantastic but vain hope (from fantasies induced by the opium pipe)
    fantasy life, phantasy life
    an imaginary life lived in a fantasy world
    fairyland, fantasy world, phantasy world
    something existing solely in the imagination (but often mistaken for reality)
    air castle, castle in Spain, castle in the air, daydream, daydreaming, oneirism, reverie, revery
    absentminded dreaming while awake
    an idle indulgence in fantasy
    hypothetical creature
    a creature that has not been observed but is hypothesized to exist
    mythical being
    an imaginary being of myth or fable
    an imaginary figure of superhuman size and strength; appears in folklore and fairy tales
    an imaginary being similar to a person but smaller and with hairy feet; invented by J.R.R. Tolkien
    half woman and half fish; lives in the sea
    half man and half fish; lives in the sea
    (Greek mythology) the brother of Europa and traditional founder of Thebes in Boeotia
    an imaginary creature usually having various human and animal parts
    a being (usually female) imagined to have special powers derived from the devil
    character, fictional character, fictitious character
    an imaginary person represented in a work of fiction (play or film or story)
    a conductor of souls to the afterworld
    an elemental being believed to inhabit the air
    an imaginary creature represented as a white horse with a long horn growing from its forehead
    type of:
    creative thinking, creativeness, creativity
    the ability to create
  6. noun
    a religious or mystical experience of a supernatural appearance
    “he had a vision of the Virgin Mary”
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    type of:
    an event as apprehended
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