<unk>  is inflammation of eye tissues behind the<unk>  septum. It is most commonly caused by an acute spread of infection into the eye socket from either the adjacent sinuses or through the blood. It may also occur after trauma. When it affects the rear of the eye, it is known as retro-orbital cellulitis. It should not be confused with periorbital cellulitis, which refers to cellulitis anterior to the septum. Without proper treatment,<unk>  may lead to serious consequences, including permanent loss of vision or even death.
Orbital cellulitis
Mucormycosis
Periorbital cellulitis
Orbital lymphoma
Corneal ulcer
Blepharitis
Labyrinthitis
Orbital emphysema