When John drives his car at night, he finds that he can barely see traffic and street signs if he looks directly at them. He can increase his visual sensitivity by looking at the signs:

A) out of the side of his eye, because doing so focuses the image on the blind spot
B) out of the side of his eye (using more rods) instead of focusing directly on them (using more cones)
C) and squinting, which focuses the available light more precisely
D) out of the side of his eye (using more cones) instead of focusing directly on them (using more rods)

Question

Night Skittles · Accepted Answer

Final Answer : B, Explanation :  Looking at signs out of the side of his eye will use more rods instead of cones, which are more sensitive to low light conditions. This will increase John's visual sensitivity in the dark.

Definitions

Learning Objectives

Learning Objectives

Related questions