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Glaucoma is characterized by optic nerve damage which results in vision loss, and elevated eye pressure (intraocular pressure) is the primary risk factor. There is growing evidence that other factors may predispose a person to glaucoma damage, including circulation to the eye and optic nerve.
On this page: 5 causes of high eye pressure â¢ High eye pressure treatment. Ocular hypertension means the pressure in your eyes â your intraocular pressure (IOP) â is higher than normal. Left untreated, high eye pressure can cause glaucoma and permanent vision loss in some individuals.