Orbital compartment syndrome

Question 1

examination findings

Answer 1

proptosis 
subconjunctival haemorrhage /chemosis 
dilated  pupil 
IOP >40mmHg
loss of visual acuity 
Reduced eye movements 
RAPD 
Resistance to eye opening

Question 2

steps involved in lateral canthotomy

Answer 2

1-explain the procedure and consent
2-Inject lignocaine +adrenaline to lateral canthus
3-use artery forceps , crush lateral canthus into the lateral orbital bone
4-use scissors , cut the skin and lateral canthal ligament
5-re check IOP
6-If still high ,then cut the superior canthal ligament