Multiple choice

Which of the following structures of the eye facilitates the changes in the volume of the lens?

  1. Ciliary zonule

  2. Schlemm's canal

  3. Hyaloid canal

  4. Muller glia

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

Hyaloid canal contains lymph. Its purpose is to facilitate changes in the volume of the lens. As the lens expands in positive accommodation, its volume increases. It results in the compression of the hyaloid canal so that the volume of the eye remains constant.