A 28-year-old contact lens wearer presents to the emergency department with an extremely painful, red right eye, photophobia, and blurred vision. She reports that symptoms started a week ago and have gradually worsened despite using over-the-counter eye drops. On examination, you see the following:
Which of the following is the most likely diagnosis?
A
Bacterial keratitis
B
Herpes simplex keratitis
C
Acanthamoeba keratitis
D
Fungal keratitis
E
Adenoviral keratoconjunctivitis