Multiple choice

The clear layer at front of the eye that helps to focus light is known as _________.

  1. iris

  2. retina

  3. lens

  4. cornea

  5. pupil

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

The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber. The cornea with the anterior chamber and lens refracts light with the cornea accounting for approximately two-thirds of the eye's total optical power.