Extra Need to Learn

Question 1

What is the Annulus of Zinn?

Answer 1

An oval thickening of periosteum at orbital cavity apex

Question 2

Where does the lacrimal artery arise?

Answer 2

Before optic cavity

Question 3

What does the Superficial Greater Petrosal nerve pass through?

Answer 3

Foramen Lacerum

Question 4

What is the Valve of Hasner?

Answer 4

Plica Lacrimalis

Question 5

What nerve does the ophthalmic artery run alongside?

Answer 5

Nasociliary nerve inferior to SR

Question 6

What does the posterior ethmoidal artery pass?

Answer 6

MR and SO

Question 7

What does the dorsal nasal artery anastamoses with?

Answer 7

Facial Artery

Question 8

What do retrochiasmal lesions result in?

Answer 8

Contralateral homonymous

Question 9

What do temporal radiation lesions result in?

Answer 9

Affect Meyers Loop which is inferior fibres and thus superior quadrantanopia