Staphylococcus aureus, Streptococcus pneumoniae, other streptococci, and anaerobes are the most common causes, depending on the origin of the infection. The advent of the Haemophilus influenzae vaccine has dramatically decreased the incidence.
Periorbital cellulitis
Chalazion
Orbital cellulitis
Sympathetic ophthalmia
Blepharitis
Corneal ulcer
Periorbital dermatitis
Orbital lymphoma