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Sarkari MCQs Government Exam Question Bank
Question no. 88911

When we fixate on an item, each eye captures a slightly distinct visual perspective, supplying a depth cue known as _____________?

Select your answer for: When we fixate on an item, each eye captures a slightly distinct visual perspective, supplying a depth cue known as _____________?
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Answer: D. retinal disparity

Explanation

Retinal disparity occurs because each eye views a visual scene from a slightly different angle. The brain compares these two distinct retinal perspectives to compute precise depth information. Stereoscopic vision relies entirely on processing binocular disparities to perceive three-dimensional depth. Binocular depth cues require input from both functioning eyes to construct a three-dimensional world. The physical separation of human eyes creates naturally offset images on the left and right retinas. Physiological optics explains how visual cortex neurons integrate disparate signals into stereoscopic depth.

Virtual reality headsets display slightly offset images to trick the brain with artificial retinal disparity. 3D movie technology uses polarized glasses to deliver separate images to each eye for depth perception. Optometrists test binocular vision to ensure patients can properly integrate disparate images from both eyes. Convergence is a different binocular cue involving the inward turning of the eyes for close objects. Linear perspective is a monocular depth cue where parallel lines appear to converge in the distance. Relative motion is a kinetic monocular cue where closer objects appear to move faster than distant ones.

Subject
Psychology
Category
Psychology
Topic
—
Difficulty
medium

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