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Cataract and Glaucoma Specialist

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Home > Archives for Optic Nerve

Glaucoma: An Overview from Dr. Nathan Frank

January 30, 2012 by Anne Arundel Eye Center

According to a survey conducted in 2002 by Prevent Blindness America, 30 percent of Americans have never heard of
glaucoma and only half of those participating in the survey actually knew what it was. Glaucoma is the second leading cause of blindness in the world, and specialists believe that roughly 2.2 million people in America are affected. Only half of these individuals know that they have the disease. Given that January is Glaucoma Awareness Month, this is a great time to review the condition so that you, as patients, can become better informed and more knowledgeable.

Glaucoma is a multi-factorial disease that causes damage to the optic nerve that eventually leads to vision loss. Peripheral (side) vision loss occurs due to damage of the optic nerve of eye, which is similar to a fiber optics cable with about 1.2 million fibers that send images from the eye to the brain. There are two main types of glaucoma: primary open angle glaucoma and angle closure glaucoma. Both are usually marked by increased eye pressure inside the eye, but differ in the anatomical structure of the drainage system of the eye.

Risk factors for glaucoma? Everyone is at risk for glaucoma, newborn babies and senior citizens alike. However, there are several groups of people with an increased risk of developing the disease. Risk is heightened by:

  • Race (African Americans, Asians and Hispanics)
  • Diabetes
  • High blood pressure
  • Steroid Use
  • Age (People over 60)
  • History of eye trauma
  • Family History of glaucoma
  • High near-sighted patients

What are the common symptoms of glaucoma? The majority of people that have glaucoma are without symptoms. The visual symptoms that do occur tend to occur later in the disease process.

How to diagnose glaucoma? A comprehensive eye evaluation is imperative to rule out any suspicion for glaucoma. There are several important factors that need to be assessed prior to making a diagnosis. These include: measurement of eye pressure (normal range 12-22), a close assessment of the optic nerve, a peripheral visual field measurement, an exam of the drainage system of the eye, and finally a measurement of the cornea of the eye. These measurements are repeated once or twice a year or more often if there is any concern about progression.

How is glaucoma treated? The best way to protect your vision if diagnosed with glaucoma is to continue care
with your eye care provider. The goal of treatment is to lower the intraocular pressure to prevent further damage to the optic nerve. When diagnosed with glaucoma, the first line of treatment usually starts with the use of a single eye drop that is instilled once a night. If further pressure lowering is needed, additional drops can be used. Further treatment options include laser therapy or, if necessary, surgical treatment.

Glaucoma is a very complicated disease and this is only a brief overview. Some questions may still remain; a great
resource for information is glaucoma.org, a website that is constantly updated with information for those with glaucoma and for those who may know others with glaucoma.

If you have any further questions and would like to learn more about Glaucoma Detection and Treatment, please Dr. Frank and the eye care specialists at Anne Arundel Eye Center by calling 410-224-2010 or click here to visit AnneArundelEyeCenter.com today!

Cast your vote now for Anne Arundel Eye Center, Dr. Samuel Boles and Dr. Frank in Chesapeake Family Magazine’s Favorite Docs 2012! Voting ends on March 15th.

Dr. Boles and everyone else at the Anne Arundel Eye Center proudly support the efforts of The Polakoff Foundation and their role in the ongoing fight against glaucoma. Click here to purchase tickets online for the Polakoff Foundation’s Mardi Gras Celebration to help raise money to aid the fight against blindness.

Located in Annapolis, Maryland, the Anne Arundel Eye Center offers comprehensive specialized ophthalmic exams as well as diagnostic pre and post-surgical eye care. Specializing in glaucoma and cataracts, Dr. Boles has helped restore and preserve thousands of patients’ vision.

Glaucoma and Cataracts may be a natural part of aging. Losing your vision doesn’t have to be.

For more eye care advice and information, please take a look at our previous blog posts.

You can also follow Anne Arundel Eye Center on Facebook, Twitter, Google+, and YouTube as well!

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Early Glaucoma Detection:: Anne Arundel Eye Center

September 23, 2011 by Anne Arundel Eye Center

Glaucoma is the second leading cause of vision loss in the United States behind only cataracts. Currently affecting more than 3 million Americans – though half are unaware they even have the eye disease – glaucoma refers to a group of eye conditions that lead to intraocular pressure and damage to the optic nerve, the nerve that carries visual information from the eye to the brain. This pressure comes from a buildup of normal fluid called the aqueous humor, which is naturally and continuously produced in the front of your eye.

Everyone is at risk of glaucoma. However, certain factors can increase that risk, including: if you are over 60 years of age, if you are African American, if you have high myopia (nearsightedness), diabetes, hypertension, or if you need steroids.

To make the situation worse, many people will not experience any symptoms of glaucoma until they begin to lose their vision. The most common type of glaucoma induced vision loss is tunnel vision, the gradual loss of peripheral (side) vision. Other signs and symptoms include: severe eye pain, nausea and vomiting, sudden onset of visual disturbance (often in low light), blurred/blurry vision, halos around lights, and reddening of the eye.

Without treatment, glaucoma can lead to permanent vision loss. While there is currently no cure for glaucoma, regularly scheduled eye exams, early detection, and treatment (medication and possibly surgery) can help slow or even prevent further vision loss brought on by this disease.

Since glaucoma damage begins well before conventional tests can identify it, we are increasingly thankful for the ability to identify early, subtle nerve damage. Doctors are able to utilize advanced imaging devices – special cameras – to create a three dimensional image of the optic nerve, the part of the eye where the eye pressure does its damage. These tests use infra red light or laser light to create a sophisticated computer aided image of the central portion of the optic nerve called the optic cup, and the retinal layer around the nerve, the nerve fiber later, to help predict who might be at risk for vision loss.

These sophisticated early detection devices are helping doctors “predict the future” of glaucoma and intervene long before you have any perceptible loss of visual function.

Besides, Early detection equals earlier, simpler and more effective treatment.

If you have any questions about what you have just read, please contact board certified ophthalmologist Samuel Boles and the eye care specialists at Anne Arundel Eye Center by calling 410-224-2010 or click here today!

You can follow Anne Arundel Eye Center on Facebook, Twitter and YouTube as well!

 

Sources:

Glaucoma MayoClinic.com

 

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Glaucoma: Finding Out If You Are At Risk

July 22, 2011 by Anne Arundel Eye Center

You may have heard of glaucoma which is a common eye disorder and one of the leading causes of blindness in the United States. But what else do you really know about it and are you at risk?
Glaucoma is an eye disease in which the optic nerve suffers damage and can permanently impair vision in the eye(s). There are different types of glaucoma and the disease can present itself without warning or symptoms. The most common form is the result of elevated pressure of the fluid in the eye and sometimes other factors that cause the fibers running through the optic nerve to slowly deteriorate. Without treatment, glaucoma can lead to permanent vision loss.

Who is at risk?

Everyone is at risk. However, certain factors can increase that risk, including: if you are over 60 years of age, if you are African American, if you have high myopia (nearsightedness), diabetes, hypertension, or if you are a steroid user.

Over 3 million Americans have glaucoma, yet half are unaware that they even have the disease. This is why regular eye exams are so important. While there is no cure for glaucoma, these eye exams, early detection, and treatment (medication and possibly surgery) can help slow or even prevent further vision loss brought on by this disease.

So, when was the last time you had a thorough eye exam?

If you would like to schedule an appointment with Anne Arundel Eye Center to meet with cataracts and glaucoma specialist Dr. Samuel Boles, or if you simply have a questions about what you have just read, contact Anne Arundel Eye Center by calling 410-224-2010 or click here today!

You can check us out on Facebook, Twitter and Youtube as well!

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