Keratitis

Question 1

different types of keratitis

Answer 1

Viral infection -herpes simplex
Bacterial infection - pseudomonas or staphylococcus
Fungal infection - candida or aspergillus
Contact lens acute red eye (CLARE)
Exposure keratitis - inadequate eyelid coverage (e.g. eyelid ectropion)

Question 2

most common cause of keratitis

Answer 2

herpes simplex - herpes keratitis

Question 3

most severe form of herpes keratitis

Answer 3

stromal keratitis
when it doesnt only affect the epithelial layer but the stromal layer

Question 4

presentation of keratitis

Answer 4

painful red eye
watering
photophobia
vesicles around the eye
varying levels of reduced visual acuity

Question 5

diagnosis of keratitis

Answer 5

fluorescence - branching corneal ulcer
slit lamp examination key to diagnosis
corneal swabs/scraping

Question 6

management of keratitis

Answer 6

same day referal
aciclovir, ganciclovir
stromal warrants topical steriods