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

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

Quizplus · Accepted Answer

This demonstrates light adaptation, which is the process by which the eyes adjust to increased levels of illumination, allowing you to see clearly in bright conditions.

When You Wake Up in the Morning, You Probably Squint