Idoxuridine (Herplex) is an effective treatment for dentric keratitis, which is caused by.. Herpes simplex

Idoxuridine (Herplex) is an effective treatment for dentric keratitis , which is caused by:
A) Escherichia coli
B) Pseudomonas aeruginosa
C) Staphylococcus aureus
D) Clostridium difficle
E) Herpes simplex***