Eye Trauma Flashcards
When to do orbital X-ray
- blunt trauma
- possible intra-ocular FB
What do all patients with lid lacerations need?
a CT head to exclude pneumocranium
Classical features of subperiosteal haematoma
Downward proptosis with otherwise normal eye after blunt traum
Treatment of subperiosteal haematoma
Drainage with a needle
Useful signs of a blowout fracture
- loss of infraorbital sensation
- subcutaneous crepitus
Management of a blowout fracture
Repair if there is:
- enophthalmos >2mm
- diplopia in downgaze or within 30 deg of fixation
- loss of >50% of the floor
Refer within 1 week to ophthal/maxillofacial
What is siderosis bulbi?
Toxic cataract formation, glaucoma and retinal damage from retained metallic FB (yellow-brown staining)
Treatment of arc eye/ sunlamp eye
- panado
- cycloplegia
- cold compress
- rest in dark place
- will be better in 48hr
Signs of uveal prolapse
Prolapse of brown uveal tissue
- look under the lids
- often occur round the edge of the cornea
Signs of scleral lacerations
- slightly oval pupil
- anterior champer deeper than the other eye
- hyphaema in the presence of a lid laceration
Signs of anteriorly dislocated lens
- whitish appearance to cornea without intraocular penetration
- pain and high IOP
Management of anteriorly dislocated lens
- refer within 24 hours for lens extraction
Management of penetrating trauma
- shield on eye to prevent pressure on ocular contents
- do not give ointment/drops
- avoid pressure dressing
- refer within 24 hours
Management of subconjunctival Hg
If normal VA, pupil, eye movements and fundus, reassure and discharge
Will clear over 3-6 weeks
Complications of hyphaema
- rebleed
- raised IOP
- corneal staining
