What is Glaucoma?

Glaucoma refers to a group of diseases that damage the optic nerve, which carries visual information from the back of the eye to the brain. Although glaucoma may not have symptoms in the beginning, eventually permanent vision loss can occur. Vision loss from glaucoma is irreversible, therefore early identification, treatment, and consistent follow-up are important.


For most people with glaucoma, there are no warning signs or noticeable changes in vision until the disease has silently and gradually worsened to a severe stage.
Glaucoma is a progressive eye disease that requires early diagnosis and treatment to prevent optic nerve damage and vision loss.
About half of those with glaucoma do not yet know they have it. This is why glaucoma is often called the “thief of sight” and one of the main reasons why it is still one of the leading causes of blindness in the world.
Symptoms are usually a combination of:
• Severe eye pain and headache
• Blurry vision
• Redness of the eyeball
• Nausea (upset stomach) or vomiting

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