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Circumscribed collection of pus with severe inflammation, swelling, and sub-sequent fluctuation.
An abscess of the upper or lower eyelid can form as a sequela ofminor trauma, insect sting, or spread of inflammation from the paranasal sinuses.
The severe inflammation and swelling often make it impossibleactively to open the eye (Fig. 2.15). The contents of the abscess can fluctuate during the clinical course of the disorder. Spontaneous perforation with pus drainage can occur.
Oral or intravenous antibiotics and dry heat are indicated. A stabincision can relieve tension at the onset of fluctuation.
The prognosis is generally good.
Orbital cellulitis or cavernous sinus thrombosis can occasionally occur as a sequela of eyelid abscess, especially when located at the medial angle of the eye. This represents a life-threatening complication.
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