<unk>  <unk>  is the formation of a blood clot within the<unk><unk> , a cavity at the base of the brain which drains deoxygenated blood from the brain back to the heart. This is a rare disorder and can be of two types–septic<unk><unk>  and aseptic<unk><unk> . Most commonly the form is of septic<unk> . The cause is usually from a spreading infection in the nose,<unk> es, ears, or teeth. Staphylococcus aureus and Streptococcus are often the associated bacteria.<unk>  symptoms include: decrease or loss of vision, chemosis, exophthalmos (bulging eyes), headaches, and paralysis of the cranial nerves which course through the<unk><unk> . This infection is life-threatening and requires immediate treatment, which usually includes antibiotics and sometimes surgical drainage. Aseptic<unk>  is usually associated with trauma, dehydration, anemia, and other disorders.
Cavernous sinus thrombosis
Mucormycosis
Labyrinthine fistula
Labyrinthitis
Vitreous hemorrhage
Orbital cellulitis
Orbital apex syndrome
Retinal migraine