What is one unexpected problem associated with cell phone use? a. it decreases the efficacy of your peripheral vision. b. it distracts your hearing from events on the roadway. c. it causes you to misjudge distances.

A. It decreases the efficacy of your peripheral vision.

Explanation:

Cell phone reduces the peripheral vision of the driver, thus decreasing the peripheral visual field making the driver less aware of the surroundings and more susceptible to accidents. Cell phone reduces the cognitive ability of a person while driving which is a complex visual task. People with and without visual symptom showed significant constricted peripheral visual field with cell phone usage.