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.
Causes of Hypertensive Retinopathy. Causes of hypertensive retinopathy include high blood pressure that causes damage to the eyeâs blood vessels. When the blood pressure is higher and stays high, the damage gets worse.