Review Question - QID 210637

A 47-year-old man presents to his ophthalmologist for abnormal vision. The patient was discharged from the hospital 2 weeks ago after a motor vehicle accident where he was given 1L of blood. He also underwent several surgical procedures including enucleation of the right globe and exploratory abdominal laparotomy to stop internal bleeding. Currently, he states that he has noticed decreased vision in his left eye. The patient has a past medical history of poorly controlled diabetes, asthma, and atopic dermatitis. His temperature is 98.9°F (37.2°C), blood pressure is 167/108 mmHg, pulse is 90/min, respirations are 14/min, and oxygen saturation is 97% on room air. A physical exam is notable for 20/200 vision in the patient's left eye, which is worse than usual. The patient's left eye appears red and irritated. Which of the following is the most likely diagnosis?