What increases as you keep focusing on your finger as it moves closer to your face

Question

Quizplus · Accepted Answer

Convergence refers to the inward movement of the eyes as they focus on a nearby object. As the finger moves closer, the eyes must converge more and more, indicating the correct response is C. Depth perception is the ability to perceive the distance of objects from ourselves, which is not directly related to focusing on a nearby object. Acuity refers to the sharpness of vision, which may or may not increase as the finger moves closer depending on the individual's eyesight. Motion parallax refers to the apparent shift in position of objects relative to one another as we move our head, which is not relevant in this scenario.

What Increases as You Keep Focusing on Your Finger as It