How does the eye regulate the amount of light that falls on the retina

Explanation

### Step-by-Step Solution:

1. **Understanding the Eye as a Sense Organ**: The eye is a complex organ responsible for vision. It contains various structures that work together to process visual information.

2. **Role of the Retina**: The retina is the light-sensitive layer at the back of the eye. It contains photoreceptor cells known as rods and cones, which are essential for detecting light and color.

3. **Function of the Pupil**: The pupil is the opening in the center of the iris that allows light to enter the eye. Its size can change to regulate the amount of light that reaches the retina.

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