Field of view

Field of view

The angular field which is visible to a user when the entrance pupil, measured from its centre, is 12 mm behind the back surface of the ophthalmoscope.

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Part of Speech: noun
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Industry/Domain: Eyewear
Category: Optometry
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Related terms

field of view

Eyewear; Optometry

The angular field which is visible to a user when the entrance pupil, measured from its centre, is 12 mm behind the back surface of the ophthalmoscope.

field-of-view

Aerospace; Satellites

The solid angle through which an instrument is sensitive to radiation. See instantaneous field of view, and resolution.

field of view

Games; Consoles

The entire area that the sensor can "see," including walls, furniture, and other obstructions.

field of view

Medical devices; Radiology equipment

The extent of the visible image field that can be seen in either 2D or 3D.

field of view

Fire safety; Prevention & protection

The solid cone that extends out from the detector within which the effective sensitivity of the detector is at least 50 percent of its on-axis, listed, or approved sensitivity.

field of view

Semiconductors; Test equipment

The area of the object under view as represented at the focal plane of a camera.

ophthalmoscope

Eyewear; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

pantoscopic angle

Eyewear; Optometry

1. Angle in the vertical plane between the optical axis of a spectacle lens and the visual axis of the eye in the primary position, usually taken to be the horizontal. 2. Angle ...