visual disorders Flashcards
impaired vision with distant objects
myopia
impaired vision with proximal objects
presbyopia
what causes primary open angle glaucoma
increased intraocular pressure due to obstruction of aqueous humor
S+S primary open angle glaucoma (2)
- slow onset
- tunnel vision
S+S primary angle closure glaucoma (4)
- abrupt onset
- eye pain
- N/V
- halos around lights
treatment for glaucoma (5)
- b blocker eyedrops (timolol)
- acetazolamide (decreases intraocular pressure)
- cholinergics
- prostaglandin
- oral glycerin for acute
when should someone with contacts use timolol eyedrops
2 hours before contacts
S+S cataracts (4)
- blurry vision
- hazy pupil
- poor color perception
- glare
most common cause irreversible central vision loss in pts 60+ yo
macular degeneration
S+S macular degeneration (3)
- blurred darkened vision
- blind spots
- permanent loss of vision
how long does pt need to keep head down after intravitreal bubble surgery for retinal detachment
2 weeks
common term for bacterial conjuctivitis
pink eye
treatment bacterial conjuctivitis (2)
antibiotic eye drop
corticosteroids
treatment viral conjuctivitis (2)
antihistamines
corticosteroids
immediate care for eye trauma with no penetrating object
saline dressing