OPHTHO Flashcards
Shingle’s of the opthalmic branch of trigeminal nerve. What sign shows increased risk of corneal involvement?
Hutchinson’s sign - vesicles at the tip of the nose
Common causes of sixth nerve palsy?
Diabetic neuropathy
Stroke
Infection
Trauma e.g. head knock
Suspected orbital cellulitis. What investigations must be done immediately?
CT
to rule out local extension of the infection, which can lead to an intracranial abscess
Wet vs Dry ARMD: Timeline
Wet = Months
Dry = Years
Wet vs Dry ARMD: Fundoscopy findings
Wet = Macular oedema
Dry = Drusen (yellow protein deposits in the macula)
Lid retraction, proptosis, lid lag and red, watery eyes
+ Grave’s disease
Thyroid eye disease
Headache, red watery eye, onset in the dark.
Very acute.
Fixed, mid-dilated pupil + corneal oedema.
Hypermetropia (longsightedness)
Acute primary angle closure glaucoma.