Binocular depth cues are visual signals that require both eyes to perceive depth and distance in the environment, playing a crucial role in our ability to judge how far away objects are. These cues arise because each eye views the world from a slightly different angle, and the brain combines these two images to create a single three-dimensional perception. The key binocular cues include retinal disparity, which relates to the slight difference in images between the two eyes, and convergence, which involves the inward angle of the eyes when focusing on close objects. Binocular depth cues showcase the brain's interpretation of visual information in creating a cohesive and spatially accurate representation of the world around us.
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