A 35-year-old woman who normally wears contact lenses visited the ED with ocular pain, photophobia, and blurred vision that had developed over the last week or so in her right eye. Upon exam, the doctor saw a diffuse white infiltrate on her cornea. The doctor started her on antibiotic medication, but it did not help, and she returned to the ED after a few days.

What's the diagnosis?

A 16-year-old boy came to the ED by ambulance accompanied by his shop teacher after an accident during class. The young man said his friend had been fooling around with some of the tools and suddenly he felt a sharp pain in his eye. The teacher had been working with another group of students and hadn’t seen what happened. Now the student was complaining of ocular pain, excessive tearing, and blurred vision. Upon exam, the physician noted that his pupil was abnormally shaped and decided to consult an ophthalmologist to confirm a diagnosis.

What's the diagnosis?

A 68-year-old woman went to her ophthalmologist with a concern about a retinal hemorrhage in her eye. She also had blurred vision, lots of floaters, and vision loss, especially in her peripheral vision, in both eyes. Using fundus imaging, the ophthalmologist observed edema mainly in the macula of her eyes, and found that one eye had progressed more than the other. She was diagnosed with type 2 diabetes in her early 50s, and in recent years has had more and more trouble keeping her blood sugar under control. She denied any headache or other symptoms.

What's the diagnosis?

A 62-year-old man went to his local urgent care complaining of ocular pain, excessive tearing, partial vision loss, and photophobia in his left eye. This recent occurrence had been happening over the past few days, but he recalled having the same symptoms several months earlier. His physician noted a corneal dendritic ulcer upon exam.

What's the diagnosis?

A 45-year-old man presented at urgent care with bilateral ocular pain, excessive tearing, and bloodshot eyes. He said he had not sustained any injury to his eyes. The patient said he had the sensation of a foreign body lodged in his eye, burning sensation, and his eyes were sensitive to light. He said that normally he wore contact lenses non-stop, even overnight, but he changed to his glasses due to the pain that developed in the last 2 days.

What's the diagnosis?