Eyes Flashcards
(20 cards)
Eye preparations are used for how long usually?
4 weeks max unless otherwise
Contacts may not be suitable e
Eye preps - UNIT DOSES
- Single doses
- Single USE
- Discard ASAP after use
Allergic conjunctivitis
Eye drops
Antihistamines
Sodium cromoglicate
Prophylaxis and treatment of inflammation
NSAID eye drops - Diclofenac
Bacterial infections = BLEPHARTIS
Symptoms - Crusting on eye lashes and lids
Treatment - Chloramphemciol ointment
- Chronic conditions - advise it can come back
Eye infections - Bacterial conjunctivitis
Symptoms are gritty, itchy and feel like something in the eye with discharge
- self limiting within 5 days
- if it doesn’t get better use chloramphemicol
- fusidic acid alternative
Eye infections - Bacterial
Chloramphemicol, broad spectrum, used for superficial eye infections
Specific antibiotic eye drops used for infections
Aminoglycosides - P.Aeruginosa
Ciprofloxicin - Corneal ulcers
Azithromycin - C.trachomatis
Fusidic acid - Staph infections - including conjunctivitis, keratitis
Chloramphemicol dose
Apply 1 drop, every 2 hours , for 48 hours
If no difference or symptoms worsen after 48 hours, please see your GP
Then 1 drop every 4 hours, for next 3 days, reduce frequency as infection is controlled
Maximum days of use is 5 days
Viral infections
Herpes simplex (virus that causes infection)
Same virus can cause cold sores
Use antiviral eg.aciclovir, granciclovir
Fungal eye infections
Rare
Test in labs
Treatment generally not available
Glaucoma
Loss of visual field - vision
Due to increased intra- ocular pressure - more pressure in the eye
Can lead to optic nerve damage - loss of sight
Glaucoma eye drops
Prostaglandin analogues - Latanoprost
Carbonic anhydrase inhibitor -
Beta blockers - Timolol-Dorzolamide
Sympathomimetics- Brimodine
Aim of glaucoma treatment
- Control intraocular pressure
- Stop glaucoma getting worse
Glaucoma treatment plan
Prostaglandin analogue - latanoprost 1st line
- if doesn’t help then beta blockers
- if doesn’t help then carbonic anhydrase inhibitor
Can be given alone
Or in combinations
Preservative free
Can be eye drops or single doses
- if allergic to eye drops
Like Benzalkonium chloride(BAK)
SIDE EFFECTS of Glaucoma treatment
- don’t usually cause systemic side effects
- Most common side effects of glaucoma eye drops include stinging, itching, discomfort
- prostaglandin analogues can cause a change in iris and eye lash hair colour
OTHER eye conditions (Anterior Uveitis)
Inflammation in the middle layer of the eye, pupil size is different
Redness
Pain
Treatment - corticosteroids in the eye drops
Subconjunctival haemorrhage
No pain but burst blood vessel in the white of the eye
No treatment will get better in time
Can be caused by coughing too hard
Refer pts on anticoagulants
Keratitis
Inflammation of cornea
Severe pain
Pain when looking at light (photophobia)
Watery discharge
Refer
Treatment depends on the type of keratitis it is - viral,bacterial or fungal
Red flagsssss
- distinguish between real eye pain and discomfort or itching
- real eye pain refer ASAP
- Phototobia
- Poor vision
- pupil abnormality
- trauma