low chapter Flashcards
what are the counselling advice for eye drops?
- squeeze one drop into pocket formed by pulling eye lid down
- dont touch eyes to keep dropper clean
- blink few times to spread eye drop around eye. keep eye closed for a minute after
- if using 2 drops then wait 5 mins
- dont drive until vision clear
- contact lenses may not be suitable for some eye drops
- use ointment after drops
what is blepharitis?
sore eyelids, itchy eyes, red eyes, eyes sticking together in the morning
what is the 1st and 2nd line treatment of bacterial conjuctivitis?
1st line: bathe eye with warm water. clean crust off eyes using cotton bud
2nd line: chloramphenicol eye drops
what is the dose of eye drops for infective eye conditions eg chloramphenicol dose for conjuctivitis?
1 drop every 2 hours for 2 days
then 1 drop every 4 hours for the next 3 days
max use 5 days
if no improvement after 2 days seek gp referral
give an example of viral eye infections and the drugs used to treat them
herpes simplex infections
aciclovir, ganiciclovir
describe the symptoms of glaucoma?
intense eye pain nausea and vomiting red eye headache blurred vision/seeing halos around lights
what eye drops are used for glaucoma and which one is first line?
latanoprost - 1st line
timolol
dorzolamide
what is 1st line, 2nd line and 3rd line and 4th line treatment of ocular hypertension?
1st line: prostaglandin analogue eg latanoprost
2nd line: topical prostaglandin analogue
3rd: beta blocker eg timolol
4th: carbonic anhydrase inhibitor eg dorzolamide
what are the side effects of prostaglandin analogues [brimtoprost, latanoprost]?
changes in iris, redness, stinging
what are the side effects of beta blockers [timolol]?
stinging, burning, itching of eyes
what are the side effects of carbonic anhydrase inhbitors [dorzolamide]?
eye discomfort
describe the symptoms of corneal ulcer
Redness. Severe pain. The feeling that something is in your eye. Pus or thick discharge from your eye. Blurry vision. Pain when looking at bright lights. Swollen eyelids.
what is a detached retina?
how is it treated?
A detached retina is when the thin layer at the back of your eye (retina) becomes loose.
It needs to be treated quickly to stop it permanently affecting your sight. Call the hospital or go to A&E if the pain, redness or blurriness gets worse after surgery.
what is iritis?
what is the treatment for this?
Reduced vision.
Eye pain.
Headache.
Abnormally shaped pupils.
treated with Steroid eyedrops. Glucocorticoid medications, given as eyedrops, reduce inflammation.
what is subconjunctival haemorrhage?
bright red patch on the whites of your eye. caused by blood vessels on the eye breaking.
it is self limiting