Glaucoma

 
In a healthy eye, fluid is made in the front of the eye and flows out through the trabecular meshwork, which is a part of the drainage angle. If fluid doesn'...

Glaucoma is a condition that damages your eye's optic nerve. It gets worse over time. It's often linked to a buildup of pressure inside your eye. Glaucoma tends to run in families. You usually don’t get it until later in life.  The increased pressure in your eye, called intraocular pressure, can damage your optic nerve, which sends images to your brain. If the damage worsens, glaucoma can cause permanent vision loss or even total blindness within a few years.