The Visual System

What is the function of the cornea in the eye?

• To control the amount of light entering the eye.

• To detect patterns of light.

• To focus light to make things look sharp and clear.

• To connect the eye to the brain.

Which part of the eye controls how much light enters by adjusting the pupil's size?

• Cornea

• Lens

• Retina

• Iris

What is the primary role of the retina in the visual process?

• To flatten or bend to see objects at different distances.

• To reflect light rays from objects.

• To convert light into electrical signals.

• To combine images from both eyes.

How does the brain contribute to our vision after the retina sends signals?

• It controls the amount of light entering the eye.

• It focuses light rays onto the retina.

• It turns upside-down images right side up and adds details like depth and color.

• It detects patterns of light from objects.