Astigmatism is a common eye condition that affects millions worldwide. Despite how widespread it is, many people still misunderstand what it is, how it develops, and what can be done to treat it. In this guide, we’ll explore astigmatism in detail—from its causes and symptoms to the most effective treatment options available today.

What Is Astigmatism?

Astigmatism is a refractive error that occurs when the cornea or lens of the eye has an irregular shape. Instead of being perfectly round like a basketball, the eye's surface is shaped more like a football. This irregularity prevents light from focusing properly on the retina, leading to blurry or distorted vision at all distances.

Common Symptoms of Astigmatism:

• Blurred or fuzzy vision

• Headaches or eye strain

• Difficulty seeing at night

• Squinting frequently

• Double vision in some cases

Astigmatism often appears alongside other refractive errors like myopia (nearsightedness) or hyperopia (farsightedness).

What Causes Astigmatism?

The condition can be inherited or caused by external factors, including:

• Genetics (most common cause)

• Eye injury or surgery

• Keratoconus (a progressive eye disease)

• High pressure inside the eye

It can develop in childhood or later in life and may worsen over time if left untreated.

How Is Astigmatism Diagnosed?

Astigmatism is diagnosed through a comprehensive eye exam, which includes:

• Visual acuity test: Measures how clearly you see.

• Keratometry: Evaluates the curvature of your cornea.

• Refraction test: Determines your exact eyeglass or contact lens prescription.

Regular eye exams are essential to catching astigmatism early and monitoring any changes in your vision.

Treatment Options for Astigmatism

Fortunately, there are several effective ways to correct astigmatism and restore clear, comfortable vision.

1. Prescription Eyeglasses

Eyeglasses with special cylindrical lenses help compensate for the uneven curvature of the eye. They are the most accessible and affordable option for managing mild to moderate astigmatism.

2. Contact Lenses

There are two main types of contact lenses for astigmatism:

• Toric lenses: Custom-designed to correct astigmatism.

• Rigid gas-permeable (RGP) lenses: Offer sharper vision by maintaining their shape on the eye.

Your optometrist can recommend the best type depending on the severity of your condition and lifestyle needs.

3. Orthokeratology (Ortho-K)

This non-surgical option involves wearing specially designed RGP lenses overnight to temporarily reshape the cornea. While not a permanent fix, Ortho-K can significantly improve vision during the day without glasses or contacts.

4. Refractive Surgery

For those seeking a long-term solution, procedures like LASIK or PRK can permanently correct astigmatism by reshaping the cornea. Not everyone is a candidate, so a thorough consultation with an eye surgeon is necessary.

Conclusion

Astigmatism may sound complicated, but with the right diagnosis and treatment, it can be easily managed. Whether you choose glasses, contacts, or consider surgical correction, the key is to stay informed and consult with an eye care professional regularly to maintain your eye health and visual clarity.

Daniel Walters Eyewear
Address: 19301 Ventura Blvd, Suite 203, Tarzana, CA 91356, United States of America
Phone: +1(855) 326-4359
Email: info@danielwalters.com

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