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What is Astigmatism and How is it Corrected?

September 05, 2024

Astigmatism is a common refractive error that affects the way your eyes focus light. Astigmatism is a very common condition, affecting a significant portion of the population. It often develops in childhood and can worsen over time, but it can also occur later in life due to eye injuries, eye surgery, or other underlying conditions.

 

What is Astigmatism?

Astigmatism is a refractive error that occurs when the cornea or lens of the eye is curved unevenly. This irregular shape causes light to focus at different points on the retina, resulting in blurred or distorted vision. Astigmatism can be present at birth or develop later in life due to factors like eye injuries, certain eye diseases, or even from wearing poorly fitted contact lenses.
 

Common Symptoms of Astigmatism

If you have astigmatism, you may experience one or more of the following symptoms:
 

  • Blurred or distorted vision: Objects may appear stretched, blurred, or have a "star-like" effect, especially at a distance.

  • Eye strain and fatigue: Squinting or straining to see clearly can lead to headaches, eye strain, and general fatigue.

  • Difficulty driving at night: Oncoming headlights or streetlights may appear streaked or blurred.

  • Trouble reading or focusing on close-up tasks: Small text or fine details may be hard to make out.


The severity of these symptoms can vary depending on the degree of astigmatism. Some individuals with mild astigmatism may not even realize they have the condition, while those with higher levels may experience significant vision problems.

 

Diagnosing Astigmatism

Astigmatism is typically diagnosed during a comprehensive eye exam. Your eye doctor will use a few different tests to assess the shape and curvature of your cornea and lens:
 

  • Keratometry: This test measures the curvature of the cornea using a specialized instrument called a keratometer.

  • Refraction: Your eye doctor will use a phoropter, which is a machine with different lenses, to determine the precise refractive error in your eyes.

  • Corneal Topography: This advanced imaging technique creates a detailed map of the curvature of your cornea, helping to identify any irregularities.


Based on the results of these tests, your eye doctor can determine the type and severity of your astigmatism, as well as the best treatment options for your needs.
 

How is Astigmatism Corrected?

Astigmatism is a highly treatable condition, and there are several effective options for correcting it. The most common and straightforward treatment for astigmatism is prescription eyeglasses. Your glasses will have specially shaped lenses that help counteract the uneven curvature of your cornea or lens, bringing your vision into focus.
 

Contact lenses can also be an excellent option for correcting astigmatism. Toric contact lenses have a unique, asymmetrical shape that matches the irregular curvature of the astigmatic eye.
 

While glasses and contacts can effectively correct astigmatism, the condition may still progress or change over time. Regular eye exams are essential to ensure your prescription remains up-to-date and your vision remains clear and comfortable.
 

Schedule Your Comprehensive Eye Exam with Vision Center South Today

Astigmatism is a common and manageable refractive error that affects the way your eyes focus light. Whether you opt for glasses, contacts, or a combination of both, the key is to stay proactive about your eye health and be diligent about following your treatment plan. With the right care and attention, you can continue to live, work, and play to the fullest, even with astigmatism.


If you're struggling with the symptoms of astigmatism or need to update your vision correction, schedule an eye exam with Vision Center South. We will provide a comprehensive eye exam, help you understand your condition, and work with you to find the best solution for your unique needs. Visit our office in Wetumpka, Alabama, or call (334) 567-7722 to book an appointment today.

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