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TREATING GLAUCOMA & DIABETIC RETINOPATHY

Regular eye exams are the key to limiting the vision loss caused by glaucoma and diabetic retinopathy.

Learn about glaucoma.
Learn about diabetic retinopathy.

GLAUCOMA

The second leading cause of blindness in the U.S.

More than three million Americans have glaucoma, but only half are actually aware that this “silent thief” is slowly and without warning stealing away their vision, sometimes without symptoms.

What is glaucoma?

The eye has about one million tiny nerve fibers that carry visual information from the back of the eye to the brain. Glaucoma destroys these nerve fibers. It was once thought that this destruction was due to high pressure within the eye, but we now know that even patients with normal pressure can have glaucoma and experience loss of this important nerve function.

Are there different types of glaucoma?

The two most frequently occurring types are primary open-angle glaucoma and angle-closure glaucoma. With primary open-angle glaucoma, the most common form, the eye’s drainage canals are open but they have become less efficient in draining fluid. Fluid build-up causes pressure within the eye to increase and eventually damage the optic nerve. In some patients, the optic nerve is at risk of damage because it has become sensitive to even normal pressure. Primary open-angle glaucoma generally does not cause symptoms and leads to gradual vision loss.

In angle-closure glaucoma, the iris (the part of the eye that creates eye color) blocks the entrance to the drainage canal, sometimes causing the pressure within the eye to build up suddenly. Symptoms of an acute angle-closure glaucoma attack include severe eye pain, red eye, blurred vision, headache, nausea, and vomiting. This is a true emergency that can lead to blindness if not treated promptly. More commonly, however, the iris blocks the entrance to the drainage canal more slowly and causes chronic angle-closure glaucoma. Cataract formation, too, can sometimes lead to angle closure.

A thorough eye exam can detect narrow angles that are at risk of closure. Laser treatment to the iris can usually prevent angle-closure glaucoma.

What are the symptoms of glaucoma?

Glaucoma often goes unnoticed in its early stages because it usually does not cause pain or immediate changes in vision. If you have glaucoma, you probably won’t notice any warning signs or symptoms until your vision has
suffered irreversible damage.

How is glaucoma diagnosed?

Because early detection is so important to limiting the vision loss associated with glaucoma, regular eye examinations are recommended. Elevated pressure within the eye and other indicators of glaucoma, such as optic nerve damage, can be detected only by a thorough examination. At Carolina Eyecare Physicians, we offer advanced state-of-the-art computerized evaluation techniques to detect early signs of optic nerve damage and peripheral vision loss associated with glaucoma.

Am I at risk for glaucoma?

Glaucoma typically affects people over the age of 40, but it can occur at any age. Everyone is at risk for glaucoma, but some groups are at higher risk than others. People age 65 or older, family members of those already diagnosed with glaucoma, African-Americans, Asian-Americans, diabetics, and those who are nearsighted or who have suffered severe injury to the eye are all at elevated risk. Cataract formation is another risk factor. Again, early detection is the key to slowing or halting the progression of this disease. If you have any of these risk factors, we recommend that you schedule a thorough eye examination to evaluate for glaucoma.

How is glaucoma treated?

Although there currently is no cure for glaucoma, there are several effective treatment options to slow or halt the progression of this disease.

  • Medication, usually in the form of eye drops, can help relieve pressure within the eye.
  • Recent advances in laser surgery make it possible to improve the underlying condition that contributes to elevation of pressure within the eye. Open-angle glaucoma can be treated with ALT (Argon Laser Trabeculoplasty), and a peripheral iridotomy procedure can be performed to treat closed angle glaucoma. Most of the time, the efficiency of the drainage canals can be improved by treatment with medicated eye drops and/or laser therapy.
  • If those treatments are not effective, the most common surgical option trabeculectomy, can be performed to alter the eye’s drainage system.

Can I prevent glaucoma?

No, but regular eye exams can make it possible to prevent much of the vision loss caused by glaucoma. The doctors of Carolina Eyecare Physicians are dedicated to providing the most advanced techniques, equipment, and expertise to help preserve the vision you need to live life on your own terms.

Good vision is not a luxury...it’s a necessity Call Carolina Eyecare Physicians to schedule a thorough eye exam.

DIABETIC RETINOPATHY

What is diabetic retinopathy?

Diabetic retinopathy is a frequent complication of diabetes that affects the retina. Diabetes damages the small blood vessels in the retina and can lead to poor vision and even blindness. During the early stages, the tiny blood vessels in the eye weaken. These blood vessels develop small bulges that may burst and leak into the retina and into the vitreous, the gel-like fluid inside of the eye. As the condition progresses, new fragile blood vessels grow on the surface of the retina, impairing vision. This is called proliferative retinopathy.

What are the symptoms of diabetic retinopathy?

It is possible to have diabetic retinopathy for some time without noticing any symptoms. Typically, it does not cause noticeable symptoms until significant damage has occurred and complications have developed.

Symptoms may include:

  • Blurred or distorted vision or difficulty reading
  • Floaters or flashes of light in your field of vision
  • Partial or total loss of vision or a shadow or veil across your field of vision
  • Pain in the eye

If any of these symptoms appear for the first time or increase, call your doctor immediately.

How is diabetic retinopathy diagnosed?

[Need material on detecting diabetic retinopathy]

How is diabetic retinopathy treated?

[Need material on treating diabetic retinopathy]

Good vision is not a luxury…it’s a necessity. Call Carolina Eyecare Physicians to schedule a thorough eye exam.

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