SAQ 770 – Ophthalmology – orbital compartment syndrome and lateral canthotomy

Marked out of 12.00

A 78-year-old man presents with sudden right-eye vision loss. He initially noticed diplopia, then his wife noticed right-eye bulging. On examination he has proptosis and light-perception-only visual acuity. You suspect orbital compartment syndrome.

List four (4) pathological processes that can lead to orbital compartment syndrome.

(Marked out of 4.0)


/ 4

Apart from proptosis and vision loss, list three (3) further examination findings that would help confirm orbital compartment syndrome.

(Marked out of 3.0)


/ 3

You confirm orbital compartment syndrome and he needs lateral canthotomy. List five (5) steps in lateral canthotomy and cantholysis.

(Marked out of 5.0)


/ 5

Total Score: 0 / 12

Percentage: 0%

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