What is meant by accommodation of the eye ?

Explanation

### Step-by-Step Solution:

1. **Definition of Accommodation**: Accommodation of the eye refers to the ability of the eye to change its focal length in order to focus on objects at varying distances.

2. **Components of the Eye**: The main components involved in accommodation are:
- **Cornea**: The transparent front part of the eye that helps to focus light.
- **Lens**: The flexible structure behind the cornea that changes shape to adjust focus.
- **Retina**: The light-sensitive layer at the back of the eye where the image is formed.
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