Eye and Orbit 3

Question 1

foramen of III, IV and VI

Answer 1

superior orbital fissure

Question 2

opthalmic nerve branches

Answer 2

lacrimal, nasociliary and frontal (supraorbital and supratrochlear)

Question 3

opthalmic artery is a branch off

Answer 3

the internal carotid

Question 4

through what foramen does the opthalmic artery enter the orbit

Answer 4

optic foramen

Question 5

central retinal artery

Answer 5

branch of opthalmic runs at centre of optic nerve. supplies inner layers of retina

Question 6

short posterior ciliary arteries

Answer 6

branch off opthalmic supply choroid (hence outer retina layers)

Question 7

long posterior ciliary arteries

Answer 7

branch off opthalmic. supplies anterior choroid, ciliary bodies and iris

Question 8

where on the ICA does the opthalmic branch off from

Answer 8

intracranial part

Question 9

where do the superiori and inferior veins drain

Answer 9

into the cavernous sinus

Question 10

what artery passes through the cavernous sinus

Answer 10

internal carotid artery