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Home > Archives for IOP

How to Manage and Reduce Intraocular Eye Pressure (IOP)

February 24, 2017 by Anne Arundel Eye Center

Eye PressureWhen eye fluid, known as the aqueous humor, isn’t circulating properly, intraocular eye pressure (IOP) can increase. Normally, this fluid drains out of the eye through a mesh-like channel; however, if this channel is blocked, the fluid has nowhere to go, causing IOP to increase. [Read more…]

Filed Under: Eye Care Tagged With: Glaucoma, Intraocular Eye Pressure, IOP

An Overview of the Different Types of Glaucoma

October 11, 2016 by Anne Arundel Eye Center

The term Glaucoma actually refers to a group of eye conditions that lead to intraocular pressure (IOP) and damage 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.

The different types of glaucoma include:

  • Primary Open-Angle Glaucoma: Affecting around one percent of all Americans (mainly those individuals age 50 or older), it is the most common form of glaucoma. And because this form of glaucoma develops slowly, it rarely ever presents any symptoms and often goes undetected without regular screenings.
  • Normal Tension Glaucoma: Also known as Low-Tension Glaucoma, this form is characterized by progressive optic nerve damage and visual field loss with a statistically normal IOP. The lack of blood flow and the decrease in oxygen to the optic nerve is directly related to this form of glaucoma.
  • Angle-Closure Glaucoma: This form of glaucoma is related to narrow angles. And with several subcategories – including Intermittent and chronic Acute Angle-Closure or Narrow Angle-Closure – this form affects nearly 500,000 Americans, but is most common in people of Asian descent or those individuals with farsightedness (hyperopia). Unlike POAG where the IOP increases gradually, Angle-Closure Glaucoma is characterized by a sudden increase in IOP, often in only a matter of hours. This dramatic increase in IOP can cause severe eye pain, nausea, vomiting, blurry vision and headache. An acute attack is an emergency condition. Long-term effects of Angle-Closure Glaucoma include: scarring of the trabecular meshwork, resulting in chronic glaucoma; cataracts; damage to the optic nerve; permanent vision loss.
  • Pigmentary Glaucoma: This form is a type of inherited open-angle glaucoma, which develops more frequently in men than in women and is most prevalent in individuals in their twenties and thirties. Pigmentary Glaucoma is associated with near-sightedness (myopia).
  • Trauma-Related Glaucoma: A blow to the eye, chemical burn, or penetrating injury may lead to the development of either acute or chronic glaucoma.
  • Childhood Glaucoma: Also referred to as Pediatric Glaucoma, the approach to treatment is slightly different than with glaucoma in adults and almost always requires immediate surgery to relieve IOP. Approximately 80-90 percent of babies who receive prompt surgical treatment, long-term care, and monitoring of their visual development will do well, and may have normal or nearly normal vision for their lifetime. However, if the disease is not caught early more permanent vision loss will result.

The most common symptoms of glaucoma include:

  • Vision loss (most commonly tunnel vision – the gradual loss of peripheral or side vision)
  • Severe eye pain
  • Nausea and vomiting
  • Sudden onset of visual disturbance
  • Blurred or blurry vision
  • Halos around lights
  • Reddening of the eye

If you feel you may be experiencing any of these symptoms, schedule an appointment with your eye doctor immediately. These symptoms are serious and require prompt medical attention from your optometrist or ophthalmologist.

However, many people do not experience any symptoms until they begin to lose their vision. At this point, the damage is irreversible. This is why regular eye exams are so important. While there is no cure for glaucoma, early detection and treatment are your best options to slow or even prevent further vision loss brought on by the disease. Without treatment, glaucoma can lead to permanent vision loss.

Glaucoma is the second-leading cause of vision loss in the United States behind only cataracts.

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 to visit AnneArundelEyeCenter.com today!

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

Sources:
Types of Glaucoma GlaucomaFoundation.org

Filed Under: Uncategorized Tagged With: · Primary Open-Angle Glaucoma, Acute Angle-Closure, An Overview of the Different Types of Glaucoma, Angle-Closure Glaucoma, Anne Arundel Eye Center, annearundeleyecenter.com, aqueous humor, blow to the eye, Blurred or blurry vision, board certified ophthalmologist Samuel Boles, Cataracts, Cause of Vision Loss, chemical burn, Childhood Glaucoma, chronic glaucoma, Cure for glaucoma, damage the optic nerve, decrease in oxygen to the optic nerve, Early Detection, emergency condition, eye care advice and information, eye care specialists, Eye Exams, farsightedness, Glaucoma, GlaucomaFoundation.org, Halos around lights, hyperopia, inherited open-angle glaucoma, Intermittent and chronic Angle-Closure, intraocular pressure, IOP, lack of blood flow, Long-term effects of Angle-Closure Glaucoma, Low-Tension Glaucoma, medical attention, Myopia, Narrow Angle-Closure, Nausea and vomiting, near-sightedness, Normal Tension Glaucoma, Pediatric Glaucoma, penetrating injury, peripheral or side vision, permanent vision loss, Pigmentary Glaucoma, POAG, Prevent Further Vision Loss, reddening of the eye, relieve IOP, scarring of the trabecular meshwork, schedule an appointment with your eye doctor, severe eye pain, Sudden onset of visual disturbance, symptoms of glaucoma, Trauma-Related Glaucoma, tunnel vision, Types of glaucoma, Vision Loss, visual field loss

What Causes Increased Intraocular Pressure (IOP)?

January 23, 2015 by Anne Arundel Eye Center

Glaucoma is an eye condition – or more accurately a group of eye conditions – that stems from increased intraocular pressure (IOP) and damage the optic nerve, the nerve responsible for carrying visual signals to the brain. But what causes this increase in IOP? What causes glaucoma?

Intraocular Pressure

What Causes Increased Intraocular Pressure (IOP)?

The Primary Cause of Increased IOP

When eye fluid, known as the aqueous humor, isn’t circulating properly, eye pressure can increase. Normally, this fluid drains out of the eye through a mesh-like channel; however, if this channel is blocked, the fluid has nowhere to go, causing eye pressure to increase and leading to glaucoma. Think of it like a dam. When the dam is built, water can no longer drain as it once did and, because of this, begins to collect behind the dam.

The direct cause of this blockage is unknown.

Less Common Causes of Increased IOP

Of the 60 million people who suffer from glaucoma worldwide, only about 10% suffer from secondary glaucoma, according to Johns Hopkins Medicine.

  1. Eye injury can lead to Traumatic Glaucoma
  2. Severe infection
  3. Blockage of blood vessels in the eye can lead to Neovascular Glaucoma
  4. Inflammatory conditions of the eye can lead to Uveitic Glaucoma
  5. Abnormal accumulation of protein in the drainage system of the eye can lead to Exfoliative Glaucoma
  6. Pigment dispersion syndrome can lead to Pigmentary Glaucma

If left undiagnosed and untreated, glaucoma can lead to permanent vision loss and even blindness. So, when was your last eye exam? Treatment successfully preserves vision 95% of the time or more, especially when the condition is caught early.

Glaucoma Treatment in Annapolis, Maryland

The Anne Arundel Eye Center is a regional leader in the diagnosis and treatment of glaucoma. Board certified ophthalmologist Dr. Samuel Boles and his staff have helped preserve thousands of patients’ vision. They can help you too.

If you have any questions about Glaucoma Treatment or wish to schedule an appointment with Anne Arundel Eye Center (AAEC), please contact Board Certified Ophthalmologist Dr. Samuel Boles, Dr. Kathryn Gurganus Turner, and the eye care specialists here at AAEC by calling 410-224-2010 or by filling out our contact form.

You can also follow AAEC on Facebook, Twitter, and YouTube!

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

Filed Under: Glaucoma Tagged With: intraocular pressure, IOP

What is a Glaucoma Suspect?

February 10, 2012 by Anne Arundel Eye Center

The term glaucoma suspect describes a person who does not currently have glaucoma, but one who might be at risk of developing glaucoma. The risk factors of glaucoma include:

• Elevated Eye Pressure (IntraOcular Pressure – IOP)

• Suspicious Optic Nerve Cupping

“It’s like all of the players are on the field, but the game has not started,” explained April Pevear, a Patient Care Specialist at Anne Arundel Eye Center. A glaucoma suspect has all of the signs of glaucoma without actually having definite glaucomatous optic nerve damage or a visual field defect. However, a great overlap can exist between findings in people with early glaucoma and in those who are merely glaucoma suspects. This is why regular eye exams are so important, whether or not you need glasses.

Early detection equals earlier, simpler and more effective treatment.

Glaucoma Suspect Monitoring and Treatment

Sometimes treatment is not even necessary. In many cases, regular eye exams and vigilant monitoring are the best ways to handle glaucoma suspects. However, if treatment is deemed necessary, the best way to treat a glaucoma suspect is to lower the elevated IOP. This is typically done with eye drops and should help reduce the risk of developing glaucoma. These drops work by either slowing the production of aqueous fluids in the eye or by improving the flow of fluid out of the eye through the drainage angle and into the veins.

Another excellent treatment option would be laser treatment. There are several laser options currently available to treat many of the different types of glaucoma. Laser surgery utilizes a focused, gentle beam of light to help the fluid drain from your eye and decrease IOP. This type of outpatient procedure can be done right at your doctor’s office with minimal recovery time. However, it must be noted that laser surgery WILL NOT change your vision. It WILL slow and potentially stop glaucoma progression.

Even after treatment, regular check-ups with your eye-care practitioner – ophthalmologist or optometrist – will be needed to monitor your situation and help prevent any future vision loss.

Glaucoma is the second leading cause of legal blindness in the United States, behind only cataracts.

• Over 60 million people worldwide (2.2 million Americans) have glaucoma and experts estimate that nearly half of them are unaware they are currently affected by the disease.

•  Up to 10 million Americans are estimated to suffer from elevated IOP, making them glaucoma suspects. And about 1% of these individuals will develop glaucomatous damage.

• Currently, between 80,000-116,000 people have been declared legally blind because of glaucoma.

If you have any questions about what you have just read or if you would like to learn more about Glaucoma Treatment in Maryland, please contact board certified ophthalmologist Dr. Samuel Boles, consultative optometrist Dr. Nathan 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. 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!

Sources:

Adult Glaucoma Suspect

Glaucoma Suspect & Ocular Hypertension

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National Glaucoma Awareness Month

January 24, 2012 by Anne Arundel Eye Center

Glaucoma refers to a group of eye conditions that lead to damage the optic nerve, usually resulting from a rise in intraocular pressure (IOP). The optic nerve carries visual information from the eye to the brain.

Over 60 million people worldwide (2.2 million Americans) have glaucoma and experts estimate that nearly half of them are unaware they are currently affected by the disease. This is probably because glaucoma displays no symptoms and, at first, only affects peripheral or side vision. As a result, an individual can lose as much as 40% of their vision before even noticing. This is also why glaucoma has been nicknamed “the sneak thief of sight.”

Once a person begins to lose their vision, the damage is irreversible. This is why regular eye exams are so important. While there is no cure for glaucoma, early detection and treatment are your best options to slow or even prevent further vision loss brought on by the disease. Without early detection and treatment, glaucoma can lead to permanent vision loss. In fact, glaucoma is the second-leading cause of vision loss in the United States behind only cataracts.

This is why January has been named National Glaucoma Awareness Month.

You are at an increased risk developing glaucoma if…

•You are of African, Asian, and Hispanic descent

• You are over the age of 60

•You have a family member who has already been diagnosed

• You are diabetic

•You are severely nearsighted (myopic)

While everyone should have their eyes examined regularly, those with the above risk factors should increase the frequencies of those examinations.

Early detection equals earlier, simpler and more effective treatment.

If you have any questions about what you have just read or if you would like to learn more about Glaucoma Detection and Treatment, 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 to visit AnneArundelEyeCenter.com today!

Cast your vote now for Anne Arundel Eye Center, Dr. 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!

Sources:

January is Glaucoma Awareness Month

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