Eye Flashcards
if you need to use 2 different eye drops, how long should you wait before applying each one?
- 5 minute interval
Why do they recommend applying eye ointments at night?
- pts may expericence transcient blurred vision
- do not drive until vision clear
How long can you keep eye drops for home use before they expire?
28 days
How long do you usually use eye drops for in hospital before they are disposed of?
1 week
How long do you usually use eye drops for in outpatient clinic/surgery?
single use
Which preservatives are usually in eye preparations?
benzalkonium chloride - can cause stinging/irritation
Soft lenses?
remove lenses before using eye stuff or use pres free
hard lenses?
can use eye stuff whilst wearing lenses
can you wear lenses if drops are oily or if using an ointment?
no
Which drugs interact with lenses?
rifampicin and sulfasalazine
= stain lenses orange
Which ingredients are usually in eye drops given for allergic conjunctivitis?
- sodium cromoglicate - mast cell stabiliser
- antazoline, azelastine - antihistamine
- xylometazoline, naphozoline - vasoconstrictors reduce redness
What is usually given for dry eyes (ketoconjunctivitis sicca)?
- hypromellose - applied hourly
- carmellose - applied QDS
What do you give for bacterial conjunctivitis?
chloramphenicol drops or ointment
What do you give for viral conjunctivitis?
aciclovir 5x a day until 3 days after healing
What do you give for blepharitis?
fusidic acid cream for staph infection