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Y2 Ophthalmology > Trauma > Flashcards

Trauma Flashcards

1
Q

what examination test is required in a patient presenting with a history of eye trauma

A

fluorescein dye

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2
Q

what is a blowout fracture

A

medial/inferior wall of bony orbit fractured, entraps IR and the eye herniates downwards

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3
Q

what is the presentation of a blowout fracture

A

decreased sensation and pain on upgase, diplopia

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4
Q

what advise do you give a patient with a blowout fracture

A

no nose blowing

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5
Q

what is commotion retinae

A

bruised retina

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6
Q

what is the management of commotion retinae

A

normally resolves

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7
Q

what is hyphaema

A

blood in anterior chamber

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8
Q

is what injury would you see a tear drop pupil on blue light + fluoroscein dye

A

corneal laceration

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9
Q

what is the pathology of sympathetic opthalmia

A

trauma to 1 eye causes bilateral granulomatous pan-uveitis, autoimmune

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10
Q

what is the risk in sympathetic opthalmia

A

bilateral blindness

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11
Q

what is the management of sympathetic opthalmia

A

remove the exciting eye

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12
Q

what causes an ice-rink cornea

A

sub-tarsal foreign body

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13
Q

what is the commonest location of a foreign body in the eye

A

corneal

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14
Q

what investigation is required for intraocular foreign bodies

A

XR

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15
Q

what is the immediate management of a chemical burn to the eye

A

immediately irrigate; 2L saline until normal pH

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16
Q

what are the causes of cranial nerve palsies

A

traumatic or vascular

17
Q

what muscles will be affected by a CNIII palsy

A

LPS, IR, SR, MR, IO, pupillae sphincter

18
Q

where will the eye sit in a CNIII palsy

A

inferolateral; down and out

19
Q

will the pupil be constricted or dilated in a CNIII palsy

A

dilated

20
Q

what effect will a CNIII palsy have on the pupillary light reflex

A

slow

21
Q

what cranial nerve palsy will cause ptosis

A

CNIII

22
Q

what muscle is affected by a CNIV palsy

A

superior oblique

23
Q

what will the patient complain of in CNIV palsy

A

vertical diplopia when looking down

24
Q

what is seen on inspection in a CNIV palsy

A

head tilt

25
Q

what direction of eye movement will a patient with a CNIV palsy struggle with

A

inferomedially

26
Q

what muscle will be affected by a CNVI palsy

A

lateral rectus

27
Q

what will a patient complain on in a CNVI palsy

A

horizontal diplopia

28
Q

what directions of eye movements will a patient with a CNVI palsy struggle with

A

can’t abduct in the horizontal plane

29
Q

what CN injury might cause an absent blink reflex

A

CNVII

30
Q

what is the management of an absent blink reflex

A

eye patch

31
Q

what is the management of diplopia

A

glasses with inbuilt prisms or surgery/botox

Y2 Ophthalmology (9 decks)

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