vision loss Flashcards
what is the leading cause of blindness
cataracts
cataracts symptoms
gradual, painless, hazy vision, blindness
surgery for cataracts
phacoemulsification surgery
ARMD
age related macular degeneration
ARMS symptoms
only central vision affected - blurred, distorted, holes/ gaps
types of ARMD
dry type
wet type
dry type ARMD symptoms and tx
gradual
no tx
wet type ARMD symtpoms and tx
fast onset and progression of loss of central vision
anti-VEGF injections
what nerve does glaucoma affect
condition of the optic nerve - gradual loss of axons
types of glaucoma
chronic open angle
acute closed angle
chronic open angle glaucoma
peripheral vision affected first then central
mostly asymptomatic
tx - pressure lowering eye drops
acute closed angle glaucoma
red, painful eye, unreactive pupil, severe headache, unwell
retinal detachment symptoms
flashing lights, floaters
shadow in corner of vision
painless
retinal detachment tx
urgent surgery (<2 days)
what is the absolute do not for eye surgery
inhalation sedation
