Multiple choice

Name the opening present in the middle of the iris, through which light passes to the back of the eye.

  1. Sclera

  2. Macula

  3. Aqueous layer

  4. Pupil

  5. Mucin layer

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The pupil is a hole located in the center of the iris of the eye that allows light to enter the retina. It can control the illumination in the eye, and can improve the optical quality of the image on the retina.