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