Infective Keratitis Flashcards
1
Q
What is keratitis?
A
Inflammation of the cornea
2
Q
What are causes of keratitis?
A
Bacterial: Staph aureus, Pseudomonas
Amoebic: Incidence in exposure to soil/contaminated water
Viral: Herpes Keratitis
3
Q
How does keratitis present?
A
- Painful, erythematous red eye
- Photophobia
- Foreign body, gritty sensation
4
Q
How is keratitis managed?
A
- Generally, contact lens wearers should be referred to same day eye specialist for slit lamp
- Topical antibiotics used first line: Ciprofloxacin
- Cyclopentolate used for analgesia
5
Q
Complications of keratitis
A
- Corneal scarring
- Perforation
- Visual loss
6
Q
What is the pathophysiology of herpes keratitis?
A
- Usually only affects the epithelial layer of the cornea
7
Q
How is herpes keratitis diagnosed?
A
- Staining with fluorescein will show dendritic corneal ulcer
- Swabs can be used to confirm virus
8
Q
How is herpes keratitis managed?
A
- Same day referral to ophthalmologist
- Topical/Oral Acyclovir
- Topical Ganciclovir
9
Q
What type of keratitis are contact lens wearers more likely to get?
A
acanthamoeba infection
