Review Question - QID 214568

A 33-year-old man presents to the emergency department with right eye pain. He was at work in a construction site at night when he suddenly felt severe pain in his right eye. He rinsed out his eye but continued to experience severe pain, particularly when blinking. The patient is otherwise healthy. He has a history of herpetic whitlow and is a contact lens wearer. His temperature is 97.5°F (36.4°C), blood pressure is 120/82 mmHg, pulse is 75/min, respirations are 15/min, and oxygen saturation is 98% on room air. Physical exam is notable for erythema of the right eye. A fluorescein stain of the right eye is performed as seen in Figure A. Which of the following is the most likely diagnosis?