What vision type do we rely on primarily for depth perception?

Binocular vision is the correct choice because it involves the use of both eyes to perceive depth and distance. The brain combines the slightly different images received from each eye, which allows for stereopsis, the perception of three-dimensional depth. This ability to judge distances accurately is crucial in many daily tasks, such as driving, playing sports, and even simple activities like pouring a drink.

In contrast, monocular vision relies on information from only one eye, which can certainly allow for seeing two-dimensional images and some spatial awareness but lacks the depth perception that binocular vision provides. Dim vision and squint vision do not contribute to depth perception in the same way, as they typically refer to conditions that affect clarity and focus rather than the ability to perceive depth. Therefore, the reliance on binocular vision for depth perception is essential in various aspects of vision and everyday functioning.