Site Last Updated: 01/30/2017

Five Convenient Locations

1701 Old Village Road
Hendersonville, NC 28791
828-693-1773
One Vanderbilt Park Drive
Suite 150
Asheville, NC 28803
828-277-8233
Franklin, NC 28734
800-624-6575
125 Hospital Drive
Spruce Pine, NC 28777
800-624-6575
192 Hospital Drive
Columbus, NC 28722
828-894-3037

 

 

 

 

 

   

Frequently Asked Questions

Glaucoma

What is glaucoma?

Glaucoma is a condition in which the optic nerve is damaged. The optic nerve is the part of the eye that carries the images we see to the brain. Damage to the nerve is usually associated with elevated pressure inside the eye (called intraocular pressure). More than 2.2 million Americans age 40 and older have glaucoma. Many others may be unaware they have this potentially blinding disease because they have no symptoms.

Click here to learn about Glaucoma .

What causes glaucoma?

Glaucoma is not one disease; it comes in many different forms. The exact cause of primary open-angle glaucoma, they most common form of the disease, is uncertain. Some of the other forms of glaucoma may occur along with other abnormalities of the eye.

What are the symptoms of glaucoma?

There are usually no symptoms at first, but as the disease advances, a person with glaucoma may notice their vision gradually declining with:

  • Blurred vision
  • Loss of peripheral vision
  • Difficulty focusing on objects
  • Presence of halos around lights

The photos below show the effects of glaucoma on vision as the disease progresses.

*Photos courtesy of National Eye Institute, National Institiute of Health

 

Who develops glaucoma?

Anyone can develop glaucoma. Some individuals such as those listed below are at higher risk and should have an eye exam every one to two years.

  • African Americans over age 40
  • Everyone over age 60
  • People with a family history of glaucoma
  • People who have experienced a serious eye surgery
  • Individuals with other health conditions, such as diabetes

Is there a cure for glaucoma?

Although there is no cure for glaucoma at this time, early detection and treatment can usually prevent loss of vision. An ophthalmologist can help control glaucoma by lowering intraocular pressure with eye drops, laser treatments or surgery. Vision loss due to glaucoma cannot be restored and if it is not treated can lead to blindness.

What is the difference between open and closed angle glaucoma?

Primary open angle glaucoma, (OAG) the most common form of glaucoma, is caused by a gradual blockage of aqueous outflow from the eye despite an apparently open pathway for the fluid to escape. Drainage canals for the fluid eventually become clogged causing a gradual and damaging rise in pressure. Unfortunately, OAG has no symptoms, can develop over a number of years and can cause gradual, permanent vision loss. With early diagnosis and treatment, OAG typically responds well.

Closed angle glaucoma (CAG) can develop quickly or over time. If it develops quickly, it can become a medical emergency and is referred to as acute narrow angle glaucoma. Such an emergency requires immediate attention in order to preserve sight in the eye. Gradual onset CAG is caused when the angle between the cornea and iris becomes too narrow or closed and thus the aqueous pressures build high enough to damage the optic nerve before the fluid can escape. CAG is more common in far-sighted eyes due to the physical structure of the eye. Angle-closure glaucoma may lead to symptoms such as nausea, headache, pain, blurry vision, and rainbow-like colors around lights at night.

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