neuro-optho

Question 1

RAPD test

Answer 1

marcus gunn defect

Question 2

efferent defect

Answer 2

CN 3

Question 3

adies tonic pupil

Answer 3

benign ciliary ganglion

Question 4

unilateral small pupils

Answer 4

horners syndrme

Question 5

bilateral tonic small pupils

Answer 5

argyll robertson pupil

Question 6

blurred vision (near), periocular discomort, decr depth perception

Answer 6

adies tonic pupil

Question 7

adies tonic pupil is seen in who?

Answer 7

age 20-50, females, unilateral

Question 8

how to dx adies tonic pupil

Answer 8

pilocarpine

Question 9

dx of horners

Answer 9

apraclonidine

Question 10

Pupils accommodate but do not react to light; irregular and small pupils

Answer 10

argyll robertson pupil

Question 11

diseases assc’d wtih argyll robertson pupil (3)

Answer 11

1. syphilis
2. diabetes
3. alcoholism

Question 12

vertical oblique diplopia with compensatory head tilt to opposite shoulder

Answer 12

CN IV paresis

Question 13

loss of abduction, horizontal diplopia

Answer 13

CN VI paresis

Question 14

spontaneous rhyhmic back and forth movement

Answer 14

nystagmus

Question 15

how is nystagmus named

Answer 15

named by fast component

Question 16

bitemporal hemianopia

Answer 16

pituitary apoplexy

Question 17

heterochromic miosis and ptosis

Answer 17

congenital horners

Question 18

diplopia during heaving exercise

Answer 18

aneurysm

Question 19

diplopia only when fatigured

Answer 19

myasthenia

Question 20

diplopia only when looking right

Answer 20

CN VI

Question 21

diplopia with HA, retro-orbital pain

Answer 21

aneurysm

Question 22

Loss of abduction, horizontal diplopia

Answer 22

CN VI paresis

Question 23

what is the great imitator for causing diplopia?

Answer 23

myasthenia gravis

Question 24

searching pendular nystagmus

Answer 24

congenital (benign)

Question 25

young person with acute vision loss with severe HA, eye pain, bitemporal depression

Answer 25

pituitary tumor

Question 26

disc edema due to incr ICP

Answer 26

papilledema

Question 27

20-40 yo female, obese, papilledema present with cephalgia, visual obscurations, pulsatile tinnitus, horizontal diplopia, pain on EOM

Answer 27

idiopathic intracranial HTN

Question 28

woman age 15-45; decr vision; unilateral; red color desaturation; visual field defects

Answer 28

optic neuritis

Question 29

tx of optic neuritis

Answer 29

parental corticosteroids

Question 30

what is optic neuritis most commonly due to?

Answer 30

optic neuritis

Question 31

which type of optic neuritis: disc edema, hyperemia of disc, tortuosity of vessels; generally unilateral; RAPD, poor vision

Answer 31

papillitis

Question 32

which type of optic neuritis: NO disc edema, pain on EOM, RAPD

Answer 32

retrobulbar neuritis

Question 33

pallor of the optic nerve

Answer 33

optic atrophy

Question 34

loss of half of visual field

Answer 34

hemianopia

Question 35

loss of either right or left visual field

Answer 35

homonymous

Question 36

Elderly patients; significant visual loss (VA 20/80), cognitively intact with repeated, formed pleasant visual hallucinations

Answer 36

Charles bonnet syndrome visual hallucinations

Question 37

simultagnosia

Answer 37

cognitive visual loss

Question 38

if unilateral optic nerve lesion >equal pupils; RAPD

Answer 38

optic neuritis or giant cell arteritis

Question 39

slowly progressive visual loss or CN palsy

Answer 39

work up compressive lesions

Question 40

abrupt visual loss of diplopia

Answer 40

vascular disease

Question 41

how to check CN V?

Answer 41

check corneal sensitivity with cotton wisp & face sensation

Question 42

how to check CN VII

Answer 42

weakness in smile or ability to close eyes while you attempt to open it