15th June 2021

You are an F1 in your ophthalmology placement. Mr Grey is a 56-year-old patient who has come to see you

You are an F1 in your ophthalmology placement. Mr Grey is a 56-year-old patient who has come to see you for a dull pain and persistent dryness he has been experiencing in his right eye for the past week. On examination under fluorescent staining you find a dendritic ulcer in his right eye.

What is the likely cause of the ulcer?

Select the SINGLE most appropriate option from the list below. Select ONE option only.