---
url: 'https://stagehia.healthinaging.org/a-z-topic/glaucoma'
title: Glaucoma
author:
  name: 'Jennifer Cross'
  url: 'https://stagehia.healthinaging.org/user/102'
date: '2018-11-05T17:55:24+00:00'
updated: '2023-06-01T15:25:43+00:00'
type: topic
summary: 'Glaucoma is a group of eye disorders that damage the optic nerve, which sends messages from your eye to your brain so you can see. Damage to the optic nerve can cause vision loss and blindness. Glaucoma is the second most common cause of blindness in the United States. It usually affects people later in life.'
tags:
  - Health
published: true
---
 Glaucoma is a group of eye disorders that damage the optic nerve. This nerve sends messages from the eye to the brain so people can see. Damage to the optic nerve can cause vision loss and blindness.

Glaucoma is the second most common cause of blindness worldwide. It usually affects people later in life, and is the most common cause of blindness in Black Americans.

[Basic Facts](/a-z-topic/glaucoma/basic-facts)

[Causes](/a-z-topic/glaucoma/causes)

[Symptoms](/a-z-topic/glaucoma/symptoms)

[Diagnosis & Tests](/a-z-topic/glaucoma/tests)

[Care & Treatment](/a-z-topic/glaucoma/care-treatment)