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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.
Causes of optic neuritis. Optic neuritis is one of several conditions which can cause damage to the optic nerve. This group of conditions are known as optic neuropathies. Although optic neuritis can have a few different causes, the most common cause is 'autoimmune'.our optic disc is visible as a small circular area of your retina which can be seen by the ophthalmologist (eye specialist) or optician when they look into your eye. From your optic disc, the nerve fibres travel together in bundles, forming your optic nerve, to your brain.