Random Flashcards
Visual field defect in papilloedema
Inferonasal
What is blepharitis caused by
Staph aureus
What presents with bilateral crusting of eyelids, foamy tear film and cysts
Blepharitis
What is posterior blepharitis most associated with
Acne rosacea
What is staph aureus blepharitis most associated with
Atopic dermatitis
How to measure IOP
To nome try
When does IOP peak
Morning
Normal IOP range
11-21
Neuroretinal rim thickness mnemonic
ISNT
What does gonioscopy measure
Anterior chamber angle
Primary open angle glaucoma gene mutations
MYOC
OPTN
Who is POAG more likely in
Africans
What 2 drugs are given to reduce … after trabeculotomy
Mitomycin C
5-fu
What kind of pupil do you get in Horner syndrome
Small
What does sympathetic stimulation do to the pupil
Dilate it
What carotid cavernous fistula is a corkscrew
Indirect
Are indirect carotid fistulas high flow or low flow
Low flow
Symptoms in direct carotid fistula
Ocular bruit
Whooshing sound
Where does internal carotid artery travel
Within cavernous sinus
What kind of laser used in peripheral iridioplasty
Argon
What is used to localise the lesion in Horner syndrome
- topical cocaine - Horner eye will not dilate
- topical apraclonidine - Horner eye dilates more than normal eye
- topical hydroxyamphetamine
What order of Horner syndrome is most likely to cause anhidrosis
3rd order
What inheritance pattern does ocular albinism have
X linked
Where does fluid accumulate in cystoid macular oedema
Outer plexiform layer
Diagnosing cystoid macular oedema
OCT
Management of cystoid macular oedema
NSAIDs / steroid drops
Most common type of entropion
Involutional
Who gets acanthomoboea keratitis
Contact lens wearers
Management of acantheomboea keratitis
Chlorhexidine
Angioid streaks
What are they
Seen in what ?
Section of Bruchs membrane of the choroid that are calcified and broken
Pepsi mnemonic
Pseudoxanthomas
Elasticum
Pagets
Sickle cells
Idiopathic
What is most common intraocular malignancy in children
Retinoblastoma
Where does retinoblastoma arise
Photoreceptors
What is cat scratch disease
Bartonella henselae
Most common cause of optic neuritis
Demyelination
What is the tear film like in Mebomian gland dysfunction
Foamy tear film
Predisposing factors of ptergyium
UV light exposure
What is Fabry disease
X linked lysosomal storage disease
What does Fuchs dystrophy affect
Endothelial cells
What is seen on slit lamp in fuch dystrophy
Beaten metal appearance
Corneal guttata
What signs are seen in keratoconus
Munson - lower lid protrudes on downward gaze
Vogt striae - corneal stromal striation on slit lamp
Causes of vortex keratopathy
Fabry disease
Amiodarone
Chloroquine
Tamoxifen
Chlorpromazine
Causes of bull eye maculopathy
Chloroquine
Cause of crystalline maculopathy
Tamoxifen
Is cavernous haemangioma found inside or outside the common tendinous ring
Within
Severe eye pain, nausea And headache what do you suspect
Primary closed angle glaucoma
What eye disease Is likely in someone who is stressed
Central serous chorioretinopathy
What does helminth mean
Infection caused by parasite
What necrosis is caused by alkali
Liquefactive
What necrosis is caused by acid
Coagulative
What carcinoma is Muir torre syndrome associated with
Sebaceous gland carcinoma
Pathway for pupillary constriction
Parasympathetic CN3 via short ciliary nerves to sphincter papillae
What is marginal keratitis
Autoimmune reaction against staphylococcal toxin
