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Optic nerve swelling may cause eye pain. Steroids are often used to treat optic nerve swelling through IV treatment. Multiple sclerosis can cause optic nerve swelling. Ocular neuritis can occur when the optic nerve, the nerve which transmits the signals of the eye to the brain, becomes inflamed. Optic neuritis can result in vision loss that runs the gamut from mild to severe. Symptoms of sinusitis include facial pain. Hypothyroidism is a potential cause of optic nerve swelling.
Glaucoma is one of the most common illnesses affecting the optic nerve. Glaucoma is caused by high intraocular pressure, or high pressure in the fluid that is inside the eye (vitreous fluid). This high pressure compresses the optic nerve and causes cells to die.It is referred to as atrophy of the optic nerve.ptic nerve. The optic nerve is located in the back of the eye. It is also called the second cranial nerve or cranial nerve II. It is the second of several pairs of cranial nerves.