How do we perceive depth and distance using binocular vision?

Ans: We perceive depth and distance through binocular vision, a process where our brain combines the slightly different images seen by each eye. This disparity in the images arises from the separation of our eyes.

The brain calculates the variances in the two perspectives and uses them to gauge how near or far objects are in our field of vision. This triangulation method helps us perceive depth and distance accurately, enabling us to judge the 3D spatial arrangement of objects. Binocular vision is essential for tasks like gauging distances, catching objects accurately, and experiencing the depth in a 3D movie or a real-world scene.

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