Recovery From Visual Loss After Endoscopic Endonasal Decompression of Iatrogenic Orbital Abscess.

Orbital complications are the second most common complications of endoscopic sinus surgery (ESS), and orbital hematoma is the most frequent orbital complication. An orbital abscess is usually associated with rhinosinusitis, and a few cases of orbital abscesses occurring after orbital trauma have been reported. However, orbital abscess occurring after ESS is rare.