Preseptal Cellulitis

Preseptal cellulitis is a common infection of the eyelid and soft tissues around the eyelids characterized by acute eyelid redness and edema (swelling).  This bacterial infection usually results from local spread of adjacent upper respiratory tract infection, external ocular infection, or following trauma to the eyelids. 

Preseptal cellulitis tends to be a less severe disease than orbital cellulitis (postseptal cellulitis), which can present in a similar manner.  Orbital cellulitis is more dangerous and requires aggressive treatment, and may require surgical intervention, whereas preseptal cellulitis usually is managed medically as an outpatient.  The exact location of inflammation is necessary for proper diagnosis and treatment, and a CT or MRI scan may be helpful in diagnosing which process is present. 

Orbital cellulitis

Orbital cellulitis (postseptal cellulitis) is an acute infection of the tissues immediately surrounding the eye, including the eyelids, eyebrow, and cheek.  Orbital cellulitis is a dangerous infection with potentially serious complications.  Bacteria from a sinus infection usually cause this condition in children.  Orbital cellulitis is a dangerous infection with potentially serious complications.  Bacteria from a sinus infection usually cause this condition in children.  Orbital cellulitis due to one type of bacteria used to be much more common in young children up to age 6 -7.  However, such infection is now rare because of the HiB (Haemophilus influenzae B) vaccine.

Other causes include a stye on the eyelid, bug bites, or a recent eyelid injury.  Orbital cellulitis infections in children may get worse very quickly an can lead to blindness.  Immediate medical attention is needed.  The patient usually needs to stay in the hospital.  Treatment includes antibiotics given through vein.  Surgery may be needed to drain the abscess, or relieve pressure in the orbital space around and behind the eye. 

With prompt treatment, the person can make a complete recovery.