Why a swollen eye can be a life-threatening medical emergency
In short: Not all eye infections are created equal. This video breaks down the critical clinical distinctions between periorbital and orbital cellulitis, explaining how to identify a condition that requires immediate intervention to prevent permanent vision loss.
While both conditions involve infection of the tissues around the eye, the primary differentiator is the orbital septum. Periorbital (preseptal) cellulitis is confined to the soft tissues in front of this septum, typically presenting as eyelid swelling, redness, and warmth without affecting vision or eye movement.
Orbital cellulitis is a medical emergency because it involves structures inside the orbit. It is characterized by systemic features like fever, proptosis (bulging of the eye), ophthalmoplegia (paralysis of eye muscles), and painful movements. Because it often originates from sinus infections, it requires urgent imaging and intravenous antibiotics to prevent complications like intracranial spread or cavernous sinus thrombosis.
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- Summary by Intellect · source: Orbital VS Periorbital Cellulitis
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