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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.
The most common type of optic nerve stroke may be caused by narrowed or blocked arteries or by a fall in blood pressure in the blood vessels that supply the optic nerve. You are at higher risk for this type of optic nerve stroke if you have: 1  A small optic nerve. 2  Diabetes.3  Infections such as herpes zoster or syphilis.ymptoms of an optic nerve stroke caused by giant cell arteritis include: 1  Fever. 2  Headache or pain in your temples or scalp. 3  Stiffness and pain in the muscles of your neck, shoulders, lower back, and hips. 4  Pain when chewing. 5  Scalp pain. 6  Tiredness. 7  Unexplained weight loss.