Keratitis Flashcards
what is keratitis
inflammation of the cornea
it is an ocular emergency
give the main risk factor for keratitis
compromised corneal epithelium eg. trauma, contact lenses, dry eyes, immunocompromise, autoimmune hx
what might you see in bacterial keratitis
corneal ulcers
what might you see in viral keratitis
HSV - dendritic ulcer
VZV - dermatomal rash
what might you see in fungal keratitis
satellite lesions
what investigations should you do in keratitis
corneal scraping for microscopy and culture
bloods
VA, slit lamp with fluorescin dye, IOP, fundoscopy
URGENT REFERRAL
what might you see in protozoal keratitis
prominent nerves
ring abscess
what are three complications of keratitis
corneal scarring
perforation
endophthalmitis (vitreal infection)
how do you manage bacterial keratitis
TOP levofloxacin (+ TOP gent if high risk)
how do you manage viral keratitis
PO and TOP aciclovir
how do you manage fungal keratitis
TOP antifungals
what are the symptoms of keratitis
redness pain increased lacrimation lid oedema discharge decreased VA photophobia
how do you manage protozoal keratitis
TOP chlorhexidine
give some non-infectious causes of keratitis
exposure
photokeratitis
allergic
autoimmune
