Answer the following question.
Write the structure of eye lens and state the role of ciliary muscles in the human eye.
The eye lens being convex in nature converges the light rays incident on it. Hence, it focuses the light falling on it on a thin layer of nerve cells called the retina. Two Ciliary muscles hold the lens within the eye-ball and it relaxes and tightens to change the focal length of the eye lens to get a clear image on the retina.
Video Tutorials For All Subjects
- Human Eye: Structure of the Eye