physics - parts of the eye

Question 1

function of the optic nerve?

Answer 1

send electrical signals to the brain

Question 2

function of the retina?

Answer 2

where light comes to a focus

Question 3

function of the iris?

Answer 3

controls size of the pupil

Question 4

function of the cornea?

Answer 4

bends the light and protects our eyes

Question 5

function of the pupil?

Answer 5

controls light entering the eye

Question 6

function of the lens?

Answer 6

helps focus light on the retina