vision loss Flashcards
is CRAO painful?
no
features of CRAO
management ?
does it usually recover?
cherry red spot on macula
pale, oedematous retina
mx: ocular massage if presents within 24 hrs
carotid doppler
check BP
rarely recovers ):
amaurosis fugax
give what meds?
less than 5 mins and full recovery
ASPIRIN
treatment for CRVO
anti VEGF
features of vitreous haemorrhage
rx if non resolving?
loss of red reflex
floaters
sudden loss of vision
bleeding from abnormal vessels: assoc with retinal ischaemia
bleeding from normal vessels: assoc with retinal tear
VITRECTOMY if non resolving
sudden profound vision loss
ischaemic optic neuropathy
glaucoma
which is an emergency - closed or open?
closed angle
is closed angle glaucoma painful or not painful
what precipitates it?
other features?
VERY PAINFUL
pupil dilatation precipitates
eye stony hard
very red
often the patient will be vomiting
disc appearance in open angle glaucoma?
aim of treatment?
cupped disc
aim of rx is to reduce IOP (using drops, laser, surgery)
is retinal detachment painful?
no
rx for wet ARMD
central or peripheral vision loss?
what is used to check central vision?
anti VEGF
rapid central vision loss
amsler grid used to check central vision
features of dry ARMD
cure?
gradual decline in vision
central scotoma
druse - yellow deposits under the retina
atrophic patches of retina
no cure