Ophthalmology Flashcards
Blepharitis type in acne rosacea?
posterior
What are the types of anterior blepharitis?
seborrhoeic (greasy)
staphococcal (ulcerative)
Blepharitis treatment?
hot compresses
Papillae/cobblestone appearance?
bacterial or allergic conjunctivitis
2 day old infant with conjunctivitis?
gonorrhoea
14 day old infant with conjunctivitis
chlamydia
Conjunctivitis treatment in pregnant women?
fusidic acid
Viral conjunctivitis treatment?
oxytetracycline
Bacteria found in contact lens wearers?
acanthomebia
Anterior uveitis pupil?
irreg, small, oval
Ant uveitis treatment?
topical steroids and mydriatic
Pizza appearance?
cytomegalovirus
Sore and violaceous?
scleritis
Sinusitis can lead to…?
Orbital cellulitis, do CT to check for abscess
Three causes of RAPD?
retinal detachment
CRAO
optic neuritis
What is occluded in an ischaemic visual loss?
posterior ciliary artery
Red degeneration?
optic neuritis
Normal IOP?
10-21
Visual acuity in glaucoma?
Fine
arc shape?
acute glaucoma
Pupil in glaucoma?
fixed mid dilated pupil
Normal cup disc ratio?
0.7+
First line for open glaucoma?
beta blockers and prostaglandins
Head tilting?
4th nerve palsy
Esotropia?
6th nerve palsy
affected eye doesn’t adduct, unaffected eye has nystagmus on abduction
Internuclear opthalmoplegia (MS)
macular sparing?
occipital
Pupillary constiction - para or sympathetic?
para
Dilation - para or sympathetic?
sympathetic
Which nerves are efferent and afferent for light reflex?
CN2 is efferent
CN3 is afferent
Adies Holme, dilated or constricted?
dilated
Argyl Robertson, dilated or constricted?
constricted
What type of lenses do you give myopes?
concave
Holmes Adie, uni or bilateral?
unilateral
Bilateral grittiness?
blepharitis
Acute eye pain, blurred vision and photophobia?
ant uveitis
Describe drugs for glaucoma.
Prostaglandins eg latanoprost INCREASE OUTFLOW
Miotics eg pilocarpine INCREASE outlflow
beta blockers and carbonic anydrase inhibitors(dorzolomide) REDUCE AQUEOUS PRODUCTION
Alpha agonists eg brimonidine do both
What can cause eyelash growth and brown pigmentation of iris?
latanoprost
Ptosis and dilated pupil?
3rd nerve palsy
Ptosis and constricted pupil?
horner’s
Hutchinson’s can lead to…
anterior uveitis
bilateral small pupils
argyl robertson
Diabetes and aspirin use are risk factors for what?
vitreous haemorrhage
Important lifestyle change in macular degeneration?
stop smoking
Hypo or hypercalcaemia causes cataracts?
hypo
Nasolacrimal duct obstruction?
common infants, worse if recent infection. teach parents lacrimal duct massage
Who needs to be careful taking antioxidants?
current smokers, lung cancer risk
Investigations for macular degeneration?
OCT
If neovascularisation, do fluoroscein angiography
Aim of acute glaucoma treatment?
to shrink and dry eye basically (reduce aqueous secretion, constrict)
What kind of eye drops precipitate acute glaucoma?
mydriatic
What pupil is ass with RAPD?
Marcus Gunn
Who gets ACUTE glaucoma?
hypermetropes
Who gets primary glaucoma?
myopes