Trauma and foreign bodies

Question 1

Features of blowout fractures (2)

Answer 1

air in orbital cavity from sinus below>surgical emphysema (blowing nose makes this worse)

loss of infraorbital sensation.

Question 2

Features of foreign bodies in cornea (4)

Answer 2

superficial
no change in rest of eye
can easily be removed w. triangle of card; give prophylactic Abx
siedel’s test: give fluorescin to assess vitreous leakage.

Question 3

Features of foreign bodies in iris (2)

Answer 3

causes perforation in iris

eye appears “deflated”

Question 4

features of hyphaemia (2)

Answer 4

blood in anterior chamber usually after trauma

can cause secondary glaucoma.