Ophthalmology Flashcards
roth spots
infective endocarditis
vertical scratches/ice rink cornea
foreign body
cherry spot (fovea) + pale fundus
CRAO
teardrop/blood level in sinus
blowout fracture
urethritis + uveitis + arthritis
Reiters syndrome
out of focus eye, white dots, exudate + haemorrhagic retina
sarcoidosis
keratoconjunctivitis sicca, scleritis, corneal melt
RA
injected vessels move with pressure
episcleritis
injected vessels dont move with pressure
scleritis
dislocated lens, genetic condition
marfans
lig lag, proptosis, retracted lid, chorion folds
graves disease
pain on eve movement
optic neuritis or scleritis
causes of optic neuritis
MS, DM,
causes of optic neuritis
MS, DM, syphylis
brushfield spots
down syndrome
silver/copper wiring
hypertensive retinopathy
curtain coming down <5min resolves
am fugax
curtain coming down >5min, flashes + floaters
retinal detachment
photophobia
ant uveitis
bilateral gritty eyes / acne/ seborrhoeic dermatitis
blepharitis
eye down + out not dilated
CN III palsy due to diabetes
trans-calcarine fracture
fixed dilated pupils
watery pink eye, periauricular nodes
viral conjunctivits
loss red reflex + red eye
haemorrhage
follicular conjunctivitis , bilateral, unresponsive to tx
chlamydia conjunctivits
rice grain pattern follicles under posterior lid
chlamydial conjunctivitis
new vessels + haemorrhage
wet ARMD
flame haemorrhage
CRVO
peripheral vision loss
glaucoma
central vision loss, scotoma
ARMD
pizza fundoscopy, floaters, pain + red
chorioretinitis
dactocytis
pseudomonas infection of lacrimal sac
gout
episcleritis
different sized pupils, RAPD
CN II/III damage
optic neuritis + increased ICP
papilloedema
ptosis, dilated pupil, eye down + out
CN III palsy: posterior communicating artery aneurysm
eye up + out + compensatory head til, vertigo diplopia
congenital, trauma
eye inwards/medial deviation, horizontal diplopia, cannot abduct eye
increased ICP: papilloedema
causes of papilloedema
SOL: haemorrhage, tumour
malignant hypertension
idiopathic ICH: young woman, high BMI
dx + tx of optic neuritis
MRI, high dose steroids
dx + tx of optic neuritis
MRI, high dose steroids
causes gradual vision loss
dry ARMD, refractive error, cataracts, diabetic retinopathy, open angle glaucoma
causes sudden vision loss
wet ARMD, CRAO, CRVO, am fugax, vitreous haemorrhage, closed angle glaucoma, rubeotic glaucoma retinal detachment,
extreme pain, N+V, sudden vision loss
close angle glaucoma
loss red reflex, difficulty driving at night
cataracts
causes of mydriasis
CN III palsy, increased IOP, traumatic iridoplegia, homes aide syndrome, phaechromocytoma
drugs causing mydriasis
stimulants (cocaine), anticholinergics, TCA, atropine, tropicamide
unilateral dilated slow to react pupil + absent knee/ankle reflex
Holmes aide syndrome
damaged post ganglionic parasympathetics
Holmes aide syndrome
pupil constriction
parasympatheitics (miosis)
pupil dilation
sympathetics (mydriasis)
causes of miosis
horners syndrome, cluster headache, opiates, nicotine, pilocarpine, argyll robertson pupil
pupil accommodates but doesnt react
argyll robertson pupil
ptosis, miosis + heterochomia (different coloured iris)
congenital horners syndrome
night blindness + tunnel vision
retinitis pigmentosa