33 - viral keratitis Flashcards
1
Q
what is the aetiology of viral keratitis ?
A
HSV - infection of ganglion gasseri
VZV - ganglion gasseri
adenovirus
2
Q
how to diagnose herpes simplex virus keratitis ?
A
superficial infection of cornea
-tree like fluorescent positive epithelial cells above the infected nerve endings
deep infection of cornea - plaque shaped central stroma clouding
corneal thickening
3
Q
symptoms of viral keratitis ?
A
pain
photphobia
lid swelling
4
Q
treatment of superficial HSV keratitis?
A
acyclovir eye drops
5
Q
treatment of deep infection of cornea ?
A
local corticosteroids