VISUAL ANGLE Meaning and
Definition
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Visual angle refers to the measurement, in degrees, between two lines extending from the viewer's eye to the outermost points of an observed object or scene. It is a fundamental concept in the field of vision that helps determine the extent of an object's or scene's visibility. The visual angle is directly influenced by both the size of the object or scene and its distance from the viewer.
When an object is larger or closer, its visual angle becomes wider, resulting in a larger portion of the visual field being occupied by that object. Conversely, when an object is smaller or farther away, its visual angle narrows, taking up a smaller portion of the visual field. Thus, the visual angle is critical in determining how much detail of an object or scene can be perceived by the viewer.
Visual angle plays a significant role in various areas such as ophthalmology, psychology, optometry, and visual perception studies. It helps scientists and researchers understand how the human visual system processes different visual stimuli and how it contributes to the overall perception of depth, size, and distance. By studying the visual angle, experts can analyze the relationship between the physical properties of an object or scene and the resulting perception in the human visual system.
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The a. formed at the retina by the meeting of lines drawn from the periphery of the object seen.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The angle at which an object is viewed.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for VISUAL ANGLE
- cisual angle
- bisual angle
- gisual angle
- fisual angle
- vusual angle
- vjsual angle
- vksual angle
- vosual angle
- v9sual angle
- v8sual angle
- viaual angle
- vizual angle
- vixual angle
- vidual angle
- vieual angle
- viwual angle
- visyal angle
- vishal angle
- visjal angle
- visial angle
Etymology of VISUAL ANGLE
The term "visual angle" has a straightforward etymology.
The word "visual" is derived from the Latin word "visus", which means "sight" or "vision". "Visus" is the past participle of the verb "videre", which means "to see".
The word "angle" has its roots in the Latin word "angulus", meaning "corner" or "angle".
Therefore, the phrase "visual angle" combines these two words to refer to the angle created by visual perception or the angle at which an object is seen within one's field of vision.
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