Glaucoma

Glaucoma is the second leading cause of blindness and the first leading cause of preventable blindness.

Pepose Vision is well-known as a leader in glaucoma diagnosis and management, both in the Bi-State region and the entire United States.

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How do I know if I have glaucoma?

Glaucoma is a permanent loss of side vision caused by damage to the optic nerve. It is often caused by pressure buildup in the eye, but can also be triggered by other factors. The Glaucoma Research Foundation estimates that more than 3 million Americans have glaucoma, but only half of these people know they have it. Approximately 120,000 people go blind from glaucoma each year, accounting for 9-12 percent of all new cases of blindness in the United States.
If you have diabetes or certain other medical or eye conditions, your primary medical doctor or comprehensive ophthalmologist can help you to determine when and how often to see a retina specialist.
Glaucoma is a complicated disease in which damage to the optic nerve results in vision loss.

There are several forms of glaucoma; the two most common forms are primary open-angle glaucoma (POAG) and angle-closure glaucoma (ACG). Open-angle glaucoma is often called “the sneak thief of sight” because it has no symptoms until significant vision loss has occurred.
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Symptoms of Open-Angle Glaucoma

There are typically no early warning signs or symptoms of open-angle glaucoma. It develops slowly and sometimes without noticeable sight loss for many years.

Most people who have open-angle glaucoma feel fine and do not notice a change in their vision at first because the initial loss of vision is of side or peripheral vision, and the visual acuity or sharpness of vision is maintained until late in the disease.

By the time a patient is aware of vision loss, the disease is usually quite advanced. Vision loss from glaucoma is not reversible with treatment, even with surgery.

Because open-angle glaucoma has few warning signs or symptoms before damage has occurred, it is important to see a doctor for regular eye examinations. If glaucoma is detected during an eye exam, your eye doctor can prescribe a preventative treatment to help protect your vision.

In open-angle glaucoma, the angle in your eye where the iris meets the cornea is as wide and open as it should be, but the eye’s drainage canals become clogged over time, causing an increase in internal eye pressure

and subsequent damage to the optic nerve. It is the most common type of glaucoma, affecting about four million Americans, many of whom do not know they have the disease.

You are at increased risk of glaucoma if your parents or siblings have the disease, if you are African-American or Latino, and possibly if you are diabetic or have cardiovascular disease. The risk of glaucoma also increases with age.

Symptoms of Angle-Closure Glaucoma

• Hazy or blurred vision
• The appearance of rainbow-colored circles around bright lights
• Severe eye and head pain
• Nausea or vomiting (accompanying severe eye pain)
• Sudden sight loss
• Angle-closure glaucoma is caused by blocked drainage canals in the eye, resulting in a sudden rise in intraocular pressure. This is a much more rare form of glaucoma, which develops very quickly and demands immediate medical attention.

In contrast with open-angle glaucoma, symptoms of acute angle-closure glaucoma are very noticeable and damage occurs quickly. If you experience any of these symptoms, seek immediate care from an ophthalmologist.
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