Eye Function-Reflex arc: Accommodation and pupil reflex.

Transparent layer of the eye where light enters.

• Iris

• Optic Nerve

• Cornea

• Pupil

...relaxed and the lens become thin.

• Looking at close objects the circular muscles are...

• Looking at distant objects the ciliary muscles are...

• Looking at close objects the ciliary muscles are...

• Looking at distant objects the circular muscles are...

Contains light receptors.

• Pupil

• Retina

• Cornea

• Motor neuron

Cells on the retina that help with seeing black and white, in low light.

• Rod cells

• Cone cells

• Fovea

• Pupil

Cells on the retina that detect color

• Rode cells

• Sensory Neuron

• Fovea

• Cone cells

White part of the eye

• Sclera

• Iris

• Pupil

• Cornea

Contains circular and radial muscles

• Retina

• Lens

• Pupil

• Iris

Slacken or tighten to change the thickness of the lens.

• Ciliary muscles

• Circular muscles

• Rod cells

• Suspensory Ligaments

Passes light from retina to the brain

• Fovea

• Sensory neuron

• Optic Nerve

• Retina

...relax, while the radial muscles contract.

• In bright light pupil's circular muscles...

• In dim light the pupil `s circular muscles...

• In bright light pupil's ciliary muscles...

• In dim light pupil's ciliary muscles...