Exam 2 Eye stuff Flashcards
What does atropine do?
dilates pupils
What is atropine used for?
prevent accomodation at eye doctor
What is a side effects of atropine?
local stinging
What is atropine contrainidicated with?
glaucoma
What education is important for atropine?
dilating will get better with time
wear sunglasses
What is timolol used for?
open angle glaucoma
ocular HTN
What does timolol do?
blocks beta receptors to reduce IOP
What is timolol contraindicated with?
related to heart and lungs
asthma
COPD
HF
bradycardia
What is manntiol used for?
closed angle glaucoma
What are side effects of mannitol?
hyperosmolar nonketoic coma
confusion
headache
syncope
cardiac dyrhthmias
nausea
vomiting
severe dehydration
What do we monitor with mannitol?
fluid electrolytes
dehydration
BP
pulse
RR
hyperglycemia
breath sounds
pupil reflex
What is glaucoma?
changes in visual fields caused by optic nerve damage and increased IOP
What ist he avg IOP?
15-16
What is the normal IOP?
less than 21
What is a major risk for glaucoma?
IOP greater than 21
What are characteristics of open-angle glaucoma?
develops slowly
increase in IOP
life-long
most common
irreversible
What are the s/s of open angle glaucoma?
gradual loss of vision with little symptoms at start
What is the treatment for open glaucoma?
timolol
What are characteristics of closed-angle glaucoma?
sudden rise in IOP; rapidly
Requires immediate medication
less common
reversible
What are s/s of closed-angle glaucoma?
halos around lights
brow pain
nausea
blurred vision
photophobia
What is the treatment for closed angle glaucoma?
mannitol
T or F, you can wear contacts and instill eye drops?
F, you have to remove them
How long do you wait between different eye drops?
5-10 minutes
T or F, it is okay to touch the tip of the dropper to the eye or surrounding tissue
False; you can contaminate the dropper