ahoy exclamation. âº a âshout used, âespecially by âpeople in âboats, to âattract âattention: Ahoy there!
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.
1 High blood pressure can place a strain on the blood vessels in the eyes. 2  It can cause the blood vessels to either narrow or bleed when they are subjected to too much blood pressure force.  3 Also, the optic nerve may swell, reducing the ability to see well.