1) Controls the size of the pupil a) cornea b) iris c) retina d) lens 2) Focuses the light onto the retina a) pupil b) optic nerve c) lens d) eyelid 3) The coloured part of the eye a) pupil b) retina c) cornea d) iris 4) Carries messages from the eye to the brain a) optic nerve b) pupil c) sclera d) cornea 5) The cells in the retina which allow us to see colours a) rods b) cones 6) The cells in the retina which allow us to see the shape of things a) rods b) cones 7) The opening in the eye which lets in light a) optic nerve b) pupil c) iris d) cornea 8) Area at back of eye which is sensitive to light a) cornea b) optic nerve c) sclera d) retina

The Eye

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