visual angle

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visual angle

[′vizh·ə·wəl ‚aŋ·gəl]
(optics)
The angle which an object subtends at the nodal point of the eye of an observer.

visual angle

The angle which an object or detail subtends at the point of observation; usually measured in minutes of arc.
References in periodicals archive ?
Contrast sensitivity increased in both lutein groups, and statistical significance was reached at most visual angles in the group receiving 12 mg per day.
Various visual angles give readers a sense of how other creatures view the world, and the text will encourage readers to treat their fellow creatures and the environment kindly.
The software provides color readings of parts over a wider range of visual angles than with current measurement methods.

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