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'''Depth cues''' are psychological factors that aid a brain in perceiving depth in visual imagery.
'''Depth cues''' are psychological factors that aid a brain in perceiving depth in visual imagery.
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There are many depth cues, including motion parallax, ocular parallax, [[vergence]] of the eyes (the angle that the eyes make relative to each other), and accommodation of the eye (the focus of each eye).
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There are many depth cues, including motion parallax, ocular parallax, [[vergence]] of the eyes (the angle that the eyes make relative to each other), and [[accommodation of the eye]] (the focus of each eye).
Most VR headsets only reproduce binocular disparity-related depth cues. They operate at a fixed focal depth which means that accommodation of the eye is fixed and does not change. This results in a [[vergence-accommodation conflict]].
Most VR headsets only reproduce binocular disparity-related depth cues. They operate at a fixed focal depth which means that accommodation of the eye is fixed and does not change. This results in a [[vergence-accommodation conflict]].