Question

3. The opening that allows light to enter the eye is the

A. iris
B. pupil
C. optic nerve
D. vitreous humor

Answer 1

A. The opening that allows light to enter the eye is the iris.

Step-by-step explanation:

Answer 2

A) Iris

Step-by-step explanation:

The Iris controls the diameter of the opening in your eye, thus also controlling the amount of light let inside. It's also reponsible for the colour of you eye.