How an Eye Makes a Picture

Light comes from an object and enters the eye through the clear front. A lens inside the eye bends the light so it lands on the back wall as an upside-down picture.

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Age 8: open this week

In the picture

Clear front dome: lets light into the eye.
Curved lens: bends the light to focus it.
Back wall: catches the focused light as an upside-down picture.

Examples

A camera lens focuses light onto a screen.
A magnifying glass can bend sunlight into a bright spot.

Key takeaways

Light enters through the clear front of the eye.
The lens makes an upside-down picture on the back wall.

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