Eye Structures

Question 1

Sclera

Answer 1

shapes the eye, protects, place of muscle attachment

Question 2

Cornea

Answer 2

protects anterior surface of the eye, refracts light

Question 3

Iris

Answer 3

controls pupils diameter

Question 4

pupil

Answer 4

where light enters the eye

Question 5

Retina

Answer 5

absorption of light, converts light to nerve signals

Question 6

fovea

Answer 6

contains roots/cones

Question 7

optic disc

Answer 7

area with no rods or cones, no image appears here, blind spot

Question 8

lens

Answer 8

focuses incoming light onto the retina, shape determines degree of light refraction

Question 9

ciliary muscle

Answer 9

change lens shape for far/near vision

Question 10

lacrimal sac

Answer 10

area where tears are drained into

Question 11

optic nerve

Answer 11

CN2, carries neuron signals from the eye to brain

Question 12

CHoroid membrain

Answer 12

capillary bed