Ocular Manifestation (Pneu Year 3)

Front 1

Concerning eye function, what does the oculomotor nerve do?

Back 1

1. All extra ocular muscle (except superior oblique and lateral rectus)
2. levator palpebrae
3. sphincter pupillae

Front 2

Concerning eye function, what does the trochlear nerve do?

Back 2

Superior oblique

Front 3

Concerning eye function, what does the trigeminal (V1 ) do?

Back 3

Corneal sensation

Front 4

Concerning eye function, what does the abducen nerve do?

Back 4

Lateral rectus

Front 5

What important structures are involved in the pupillary constrict (parasympathetic) ?

Back 5

1. Lateral geniculate nucleus
2. Olivary pretectal nucleus
3. Edinger-Westphal nucleus
4. ciliary ganglion

Front 6

In pupillary control, what 2 major defects are there?

Back 6

1. Afferent defect
2. Efferent defect

Front 7

What is afferent defect?

Back 7

Lesion at:
1. retina
2. optic nerve

Front 8

What is efferent defect?

Back 8

Lesion at:
1. sphincter pupillae
2. ciliary ganglion
3. oculomotor nerve

Front 9

Wt pupil is called when lesion is at brainstem disturbing pupillary parasym.

Back 9

Argyll Robertson pupil
1. small
2. unreactive (does not react but accomodate)

Front 10

Wt pupil is called when lesion is at ciliary ganglion disturbing pupillary parasym.

Back 10

Adie's pupil
1. large, sluggish
2. associated with areflexia

Front 11

Characteristic of local sphincter damage

Back 11

Isolated, unilateral

Front 12

Characteristic of 3rd nerve damage

Back 12

Associate with other signs

Pupil sparing: medical
Pupil involving: surgical

Front 13

What is Horner's syndrome?

Back 13

A syndrome caused by damage to sympathetic nervous system

Front 14

Signs of Horner's synrome

Back 14

1. anhydrosis
2. ptosis
3. miosis
4. enophthalmos
5. heterochromia

Front 15

Common reasons for Horner's syndrome

Back 15

1. brain stem infarct
2. syringomyelia
3. cervical rib
4. carotid aneurysm
5. TB
6. tumour at spinal cord, apical lung, neck
7. neck surgery

Front 16

Retina / optic nerve lesion

Back 16

Unilateral field loss

Front 17

Optic chiasm lesion

Back 17

Bitemporal hemianopia

Front 18

Optic tract lesion outside the lobe

Back 18

Incongruous homonymous quandrantonopia

Front 19

Optic tract lesion within the lobe

Back 19

STIP

Congrous homonymous quandrantonopia

Front 20

Optic tract lesion

Back 20

Homonymous quandrantonopia

Front 21

Occipital lobe leson

Back 21

Homonymous hemianopia - +/- macular sparing

Front 22

Result of 3rd nerve palsy

Back 22

1. ptosis
2. down and out
3. fixd dilated pupil: surgical 3rd nerve
/ not filated: medical 3rd nerve

Front 23

Result of 4th nerve palsy

Back 23

1. affected eye higher
2. failure of depression in adduction
3. vertical / oblique diplopia

Front 24

Result of 6th nerve palsy

Back 24

1. face turning
2. convergent squint
3. hornizontal double vision (more marked if further)
4. failure to abduction

Front 25

What is the most common isolated CN palsy?

Back 25

6th nerve palsy

Front 26

Describe:
Left

_________ _________
/ \ / \
| | | *** |
\________/ \ ________/

Back 26

Unilateral central scotoma

Front 27

Describe:
Left

_________ _________
/ \ / *********** \
| | | ***** **** |
\________/ \ *********** /

Back 27

Unilateral tunnel vision

Front 28

Describe:
Left

_________ ________
/************ \ / *********** \
|**** ***** | | ***** **** |
\************/ \ *********** /

Back 28

Bilateral tunnel vision

Front 29

Describe:
Left

_________ _________
/ \ / ****** \
| | | ********|
\________/ \ ________/

Back 29

Unilateral quandrantanopia

Front 30

Describe:
Left

_________ _________
/ ************\ /************ \
|************* | |*************|
\________/ \ ________/

Back 30

Bilateral superior attitudinal field loss

Front 31

Describe:
Left

_________ _________
/ ******\ /**** \
| ***** | **** |
\_____*****/ \******____/

Back 31

Binasal hemianopia