The Eye

What catches particles of dirt or dust before they enter the eye?

• cornea

• eyelids

• eyelashes

• pupil

What is the coloured part of the eye called?

• Iris

• Sclera

• Cornea

• Pupil

What is the black hole in the centre of the iris called?

• Cornea

• Lens

• Pupil

• Retina

What is sclera?

• The coloured part of the eye.

• The white layer that covers most of the eyeball.

• The black hole in the centre of the iris.

• The transmitter cable at the back of your eye.

What is the vitreous humour (sometimes called just vitreous)?

• The lens that helps focus light onto the retina.

• The front part of the sclera.

• The white layer that covers most of the eyeball.

• The clear, colourless fluid that fills the space between the lens and the retina of your eye.

What cells found in the retina enable you to see colours?

• Pyramid cells

• Cone cells

• Rod cells

• Stick cells

What sends messages from the eye to the brain?

• The Optic Nerve

• The Retina

• The Spinal Cord

• The Lens

The image that is sent from the eye to the brain is initially upside down, but is flipped instantly.

• True

• False

What does REM stand for?

• Really Early Movement

• Random Eye Memory

• Real Eye Mass

• Rapid Eye Movement

What cells are not working properly or not developed properly if a person is colour blind?

• Cone cells

• Rod cells

• Sphere Cells

• Battery Cells