A young person presented with a history of a sore left eye for 1 week following a febrile illness. The visual acuity was 6/18 in the left eye. The right eye was normal.
What is the diagnosis?
a. Suppurative fungal keratitis
b. Neurotrophic keratitis due to herpes zoster
d. Herpes simplex epithelial keratitis
e. Adenoviral punctate keratitis
Which of the following are known risk factors for this condition?
e. Immune deficiency
Which of the following can be used to treat this condition?
a. Aciclovir 3% eye ointment
b. Prednisolone 0.5% eye drops
c. Trifluorothymidine 1% drops
d. Timolol 0.5% eye drops
e. Ganciclovir 0.15% eye gel
1. d. This is a large dendritic ulcer probably due to herpes simplex virus.
2. a, b, c and e may all act as triggers for recurrence of herpes simplex infection.
3. a, c, and e are anti-viral medications which are effective against herpes simplex virus. Prednisolone should not be used. Timolol is used in glaucoma to lower intraocular pressure.