EYE SYSTEMIC NEURO

Question 1

In 6th nerve palsy, medial rectus is unopposed so eye turns inwards slightly

Question 2

Causes of 6th nerve palsy

Answer 2

Microvascular
Raised ICP
Tumour
Congenital

(in order)

Question 3

6th nerve palsy. Papilloedema (optic disc swelling) is viewed. What is cause of 6th nerve palsy in this case?

Answer 3

Raised ICP

Optic disc swelling shows raised ICP

Question 4

4th nerve palsy. What type of double vision?

Answer 4

Vertical double vision

(Superior oblique)

Question 5

4th nerve palsy causes

Answer 5

Congenital decompensated
Microvascular
Tumour
Bilateral - blunt head trauma

Question 6

Sign for raised ICP?

Answer 6

Papilloedema

Question 7

Question 8

What treatment to avoid in dendritic ulcers

Answer 8

Steroids

Question 9

Causative organism for dendritic ulcer

Answer 9

Herpes simplex virus

Question 10

Eye down and out

Answer 10

3rd nerve palsy

Question 11

Most concerning pathology causing a 3rd nerve palsy

Answer 11

Posterior communicating artery aneurysm

(Life threatening)

Question 12

Investigation for posterior communicating artery aneurysm

Answer 12

MR angiogram

Question 13

OCT is mainly used to evaluate what condition?

Answer 13

Age related macular degeneration

Question 14

What is a hypopyon?

Answer 14

Pus in the anterior chamber

Question 15

What is a hyphaema?

Answer 15

Blood in the anterior chamber