Optho seminar

Question 1

when is aniscoria more noticable in light and dark

Answer 1

dark: horners
light: CN3

Question 2

in what level of horners will there be sparing of anhydrosis

Answer 2

3rd order

Question 3

where are 3 orders of neuron bodies in horners

Answer 3

1. hypothalamus
2. c8-t1 chain
3. superior cervical

Question 4

what investigations to do

Answer 4

1. CT head and neck
2. MRA of left carotid
3. CXR if mets suspected

Question 5

what to ask about in junct. scotoma

Answer 5

1. headaches - mass effect
2. endocrine issues
3. cavernour cranial nerve signs

Question 6

tests for junct. scotoma

Answer 6

1. MRI GAD

2. blood workup

Question 7

diff between pupil sparing in CN3 lesions

Answer 7

sparing - ischemia

non-sparing - squish - aneurysm

Question 8

what is test for GCA

Answer 8

ESR and CRP - confirm with temporal artery biopsy

Question 9

what are DDx for GCA Sx

Answer 9

1. mets
2. MS
3. glioma
4. ischemia

Question 10

what is treatment of GCA

Answer 10

steroids to prevent involvement of other eye