Step 1

Microbiology 1

A 4-year-old girl is brought to the clinic by her parents for pain and swelling in her right eye for the past 4 hours. The patient and her family recently had cold-like symptoms with rhinorrhea and cough that were improving. The mother reports that the patient appears more tired but has maintained oral intake with good urine output. Otherwise, the patient is healthy without prior medical history. She is up to date on her vaccinations and takes no medications. Temperature is 37.6° C (99.7°F), blood pressure is 100/70 mmHg, and pulse is 104 beats/minute. On physical examination, her pupils are equal, round, and reactive to light. Extraocular movements in her affected eye are limited by swelling but are nonpainful. Her right eyelid is warm and tender to touch with blanching erythema.

There is no proptosis. Which of the following is the most likely region infected?

  • A) Anterior to the orbital septum
  • B) Inside the lacrimal duct
  • C) Inside the orbital space
  • D) Within the lacrimal glands
  • E) Within the Meibomian glands


Dr. Ted O'Connell


Dr. Ted O'Connell