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Cataract and Glaucoma Specialist

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Home > Archives for hyperopia

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

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Farsightedness (Hyperopia)

March 30, 2012 by Anne Arundel Eye Center

Hyperopia, better known to the general public as farsightedness, is when an individual can see distant objects clearly but has great difficulty seeing objects up close. This common visual condition is the result of the visual image being focused behind the retina rather than directly on it.

Common Causes/Risk Factors of Farsightedness

• The eyeball may be too small.

• The cornea is not curved enough.

• The lens sits farther back in the eye than normal.

• Focusing power of the eye may be too weak.

• If a family member is farsighted, you are more likely to be farsighted yourself.

• In rare cases, diseases – such as retinopathy and eye tumors – can cause farsightedness.

Signs and Symptoms of Farsightedness

• Of course, nearby objects may appear blurry

• Aching Eyes

• Blurred vision / blurry vision / you need to squint to see clearly

• Crossed eyes (strabismus)

• Eye strain

•  Headaches while reading

If you feel you may be experiencing any of the above symptoms, schedule an appointment with your eye doctor at your earliest convenience. Any change in your vision is a serious medical condition that requires prompt medical attention from your optometrist or ophthalmologist.

Because the hyperopic eye is smaller than average, all the structures in the eye are crowded together. This can lead to crowding or narrowing of the anterior chamber drainage channel and is one of the main causes of narrow angle glaucoma and acute angle closure glaucoma. If you, or someone you care about is farsighted, please make sure your eye care professional checks the anterior chamber angle for narrow angles. This can be an important warning sign to help us prevent acute angle closure glaucoma.

Treatment of Farsightedness

Farsightedness is most commonly treated with glasses or contact lenses. However, surgery is an option for those individuals who do not wish to wear glasses or contact lenses.

To determine your best course of action, discuss your specific situation with your eye doctor. He/she will be able to better explain the risks and benefits of surgery as compared to wearing glasses or contact lenses.

To learn more about Farsightedness (Hyperopia) 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!

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:

Farsightedness

Farsightedness (Hyperopia) – Topic Overview

Filed Under: Eye Care, Increased Risk, Maryland Eye Care, Symptoms, Treatment Tagged With: Anne Arundel Eye Center, crossed eyes, Eye Doctor, eye strain, eye tumors, farsightedness, Farsightedness (Hyperopia), hyperopia, Ophthalmologist, Optometrist, Risk Factors of Farsightedness, Signs and Symptoms of Farsightedness, Treatment of Farsightedness

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