Trauma Flashcards

1
Q

types of ocular trauma

A

blunt
penetrating
burns - chemical, physical

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2
Q

what is the first thing to do in the case of eye trauma

A

measure and record baseline visual acuity

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3
Q

why are fluroscein drops useful in eye trauma

A

can highlight disrupted epithelium

e.g. scratch, abrasion, ulcer, foreign body

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4
Q

what is a hyphaema

A

blood in anterior chamber forming a fluid level

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5
Q

what is retinal detachment

A

vitreous humour/gel detaches retina from back wall and peels away retina

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6
Q

what is commotio retina

A

bruised retina

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7
Q

sign of corneal laceration

A

misshapen pupil as iris goes to plug wound

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8
Q

what is Seidel’s test used for and how is it done

A

assess anterior chamber fluid leakage in cornea
use fluroscein dye
if it becomes diluted it is because aqueous humour is leaking through

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9
Q

what imaging should you always do for intra ocular foreign body

A

Xray

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10
Q

what are the types of chemical burns

A

acid

alkali

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11
Q

which is more worrying, acid or alkali burn

A

alkali is more worrying

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12
Q

features of alkali burn

A

rapid penetration
scarring
penetrates intraocular structures

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13
Q

features of acid burn

A
less worrying 
only surface damage 
coagulates protein 
cloudy cornea 
red eye
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14
Q

“china white appearance”

A

limbal ischaemia

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15
Q

chemical eye injuries should be treated with extreme urgency, true or false

A

true
irrigation should commence immediately until a neutral pH is achieved after which a detailed history and SLE should be carried out

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16
Q

management of corneal foreign body

A

removal with cotton bud or needle

chloramphenicol ointment