The umpire behind home plate carefully watches as the baseball leaves the pitcher's hand and moves closer to him. As the ball travels toward home plate:
A) the umpire uses vergence eye movements and the visual angle of the ball increases
B) the umpire uses vergence eye movements and the visual angle of the ball decreases
C) the umpire uses version eye movements and the visual angle of the ball increases
D) the umpire uses version eye movements and the visual angle of the ball decreases

Question

Quizplus · Accepted Answer

As the baseball moves closer to the umpire, the eyes must converge more to maintain focus on the ball, which is described by vergence eye movements. Additionally, as the ball approaches, it takes up a larger portion of the umpire's field of view, meaning the visual angle increases.

The Umpire Behind Home Plate Carefully Watches as the Baseball