Ophthalmology Flashcards
When should a squint be investigated?
If the squint persists over 3 months or there is concern regarding the newborns ability to see
Describe the features of Argyll-Robertson pupil
Small, irregular pupils
No response to light but there is a response to accommodate
What can cause Argyll-Robertson pupil?
Diabetes (commonest), neurosyphilis
What are the adverse effects of prostaglandins analogues (.e.g latanaprost)?
Brown pigmentation of iris
Increased eyelash length
What are the contraindications of sympathomimetics (e.g. brimodine)?
MAOI or TCA
What are the adverse effect of mitotic drugs?
Constricted pupils, headache, blurred vision
What is the treatment for anterior uveitis?
Steroid + cycloplegic (mydriatic) drops
Which diseases are associated with anterior uveitis?
Ankylosing spondylitis, reactive arthritis, ulcerative colitis, Crohn’s, Behcet’s, sarcoidosis
What can cause recurrent watery or sticky eye in neonates?
Congenital tear (lacrimal) duct obstruction
How do prostaglandin analogues work?
Increase uveoscleral outflow
Which findings are seen on fundoscopy/slit lamp examination in patients with dry eyes?
Punctate fluorescein staining of the cornea
Which disease are keratic precipitates visualised in?
Anterior uveitis
Which features are seen in Horner’s syndrome?
Miosis (small pupil), ptosis, exophthalmos (sunken eye), andhidrosis (loss of sweating on one side)
How does a chalazion present?
Retention cyst of the Meibomian gland.
It presents as a firm painless lump in the eyelid.
