acute visual loss Flashcards
what is the 1st surface that the light has to go thru
order of media as light passes thru eye
- tear film
- anterior chamber
what is a common cause of corneal edema?
what is corneal edema often caused by
Very red eye, very painful, mid-dilated fixed pupil, acute onset, blurred vision
acute angle closure glaucoma
blood in the anterior chamber due to blunt trauma
what are lenticular changes?
does hyphema or vitreous hemorrhage resolve faster?
what is vitreous hemorrhage most commonly due to?
diabetic retinopathy with neovascularization
vitreous detachment is most commonly due to?
when specks/clumps create shadows reflected onto the retina
flashes of light + floaters; followed by shade in visual field
does vitreous detachment or retinal detachment require immediate care
where does retinal detachment begin and dissect?
begins peripherally, dissects posteriorly
leading cause of blindness in US (3)
- macular degeneration