A previously healthy 10-year-old female presents to your office with some painful swelling with erythema about the left eye. Although she was previously healthy, a detailed review of her past medical history revealed that she had been diagnosed with left-sided lacrimal duct stenosis as an infant, which spontaneously resolved by 1 year of age but still periodically recurs. It manifested as excessive tearing for a few days to weeks at a time. Since it never bothered her, it was never pursued. She denies any injury or past episodes of pain (Read more...)