field of vision

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field of vision

A driver checks their field of vision before changing lanes.

Definition
  1. Noun:
    • The entire area that can be seen by an eye when it is fixed in one position: The "field of vision" refers to the complete extent of the observable world that is visible at any one moment without moving the eye.
Usage
  • The term is used to describe the spatial limit of visual perception from a single, stationary viewpoint. It is a concept relevant in optometry, ophthalmology, psychology, and general descriptions of perception.
  • It is typically used in singular form. Common prepositions used with it are "in" (something is in one's field of vision) and "outside of" or "beyond" (something is outside one's field of vision).
Examples
  • Noun:
    • The rabbit stayed perfectly still, hoping to remain outside the hawk's field of vision.
    • The optometrist measured the patient's peripheral field of vision.
    • A sudden movement in his field of vision made him turn his head.
Advanced Usage
  • "Field of view": Often used interchangeably with "field of vision," though "field of view" is more common in technical contexts like photography, optics, and display technology.
    • The virtual reality headset offers a 110-degree field of view.
Variants and Related Words
  • Visual field (n): A more technical or clinical synonym for "field of vision," frequently used in medical and scientific contexts.
    • The test checks for blind spots in your visual field.
  • Peripheral vision (n): Refers specifically to the outer part of the field of vision.
  • Central vision (n): Refers specifically to the central, high-acuity part of the field of vision.
Synonyms
  • Field of view: The observable area seen through an optical device or at a given moment.
  • Sightline: A line extending from an observer's eye to a viewed object (often used in the plural: sightlines).
  • Line of sight: The straight path along which an observer looks.
Related Phrases
  • In/within one's field of vision: Located where one can see it.
    • Keep the instrument panel within your field of vision while driving.
  • Outside/beyond one's field of vision: Located where one cannot see it without moving the eyes or head.
    • The warning light was placed poorly, just beyond the driver's field of vision.
field of vision

A driver checks their field of vision before changing lanes.

Noun
  1. all of the points of the physical environment that can be perceived by a stable eye at a given moment

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