The human eye adjusts to _______ light by opening up the _______.
A) dim; iris
B) dim; fovea
C) bright; iris
D) bright; fovea

Question

Quizplus · Accepted Answer

When light is dim, the iris opens up to allow more light to enter the eye, which then reaches the retina, allowing for better vision in low light conditions. The fovea is a small area in the retina that is responsible for detailed and sharp vision, but it is not directly involved in adjusting to different levels of light.

The Human Eye Adjusts to _______ Light by Opening Up