Chapter 18.3, Problem 34SSC

To determine

To Explain: The cornea is the primary focusing element in the eye.

Explanation of Solution

Introduction:

The cornea is transparent part of the eye. It covers front portion of the eye.

The cornea refracts or bends light. It acts like a window. Due to higher refractive index, light bends more when it travels from air to cornea. It acts like a lens which focus the light at the focal point at the back side of eye.

Conclusion:

Thus, cornea is the primary focusing element in the eye.