When you wake up in the morning, you probably squint at the light as you open your eyes. In just a few seconds, however, you are able to open your eyes all the way, even if the room is quite bright. This demonstrates __________ adaptation.
A) accommodation
B) brightness
C) dark
D) light

Question

Quizplus · Accepted Answer

This demonstrates light adaptation, which is the process by which the eyes adjust to increased levels of illumination. When you first encounter a bright light, your eyes need a moment to adjust, but they quickly adapt, allowing you to see comfortably even in bright conditions.

When You Wake Up in the Morning, You Probably Squint