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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.
What causes eye pressure? What are the risks for elevated eye pressure? The following list consists of factors that cause or are associated with ocular hypertensionâ they are virtually the same as the causes of glaucoma, as well. Excessive aqueous production: This is the clear fluid produced in the eye. With too much fluid production, a patient will feel pressure in the eye.