Astigmatism: What It Is and How to Treat It

Astigmatism is a common vision problem that occurs when the cornea or lens of the eye is not perfectly round. This causes light rays to bend unevenly as they enter the eye, resulting in blurred vision.

Astigmatism can be caused by a number of factors, including genetics, injury, or disease. It is often present from birth, but it can also develop later in life.

The symptoms of astigmatism can vary depending on the severity of the condition. Some common symptoms include:

  • Blurred vision at all distances
  • Difficulty seeing at night or in low light
  • Eye strain or fatigue
  • Headaches
  • Squinting
  • Double vision

There is no cure for astigmatism, but it can be corrected with eyeglasses, contact lenses, or surgery.

Eyeglasses and contact lenses

Eyeglasses and contact lenses are the most common treatments for astigmatism. They work by correcting the uneven curvature of the cornea or lens, allowing light rays to focus properly on the retina.


Surgery is an option for people with severe astigmatism or astigmatism that cannot be corrected with glasses or contact lenses. There are a number of different surgical procedures that can be used to correct astigmatism, including LASIK, PRK, and LASEK.

If you have any of the symptoms of astigmatism, it is important to see an eye doctor for a diagnosis and treatment plan. Early detection and treatment can help to prevent vision problems from developing later in life.

Here are some tips for living with astigmatism:

  • Wear your glasses or contact lenses at all times, as prescribed by your eye doctor.
  • Take breaks throughout the day to rest your eyes, especially if you are using them for extended periods of time.
  • Avoid squinting, as this can worsen your eye strain.
  • Get regular eye exams to ensure that your prescription is up to date.

With proper management, most people with astigmatism can live full and active lives.

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