My Eyes Become Astigmatic and Often Hurt When I Read
Astigmatism is a common eye condition that causes blurred or distorted vision. It occurs when the cornea, the clear outer layer of the eye, is not perfectly round. This causes light to enter the eye in an uneven way, which can lead to blurry vision.
Astigmatism can also cause eyestrain, headaches, and difficulty reading. In some cases, it can even lead to vision loss.
There are a number of different ways to correct astigmatism, including eyeglasses, contact lenses, and surgery. Eyeglasses and contact lenses can help to correct the blurry vision caused by astigmatism, while surgery can permanently correct the condition.
Symptoms of Astigmatism
The most common symptom of astigmatism is blurred or distorted vision. This can make it difficult to see objects clearly, both near and far. Other symptoms of astigmatism can include:
Eyestrain
Headaches
Difficulty reading
Double vision
Ghosting or streaking of vision
Sensitivity to light
Causes of Astigmatism
Astigmatism is caused by an uneven curvature of the cornea. The cornea is the clear outer layer of the eye that covers the pupil and iris. In people with astigmatism, the cornea is not perfectly round, but instead is more oval or football-shaped. This causes light to enter the eye in an uneven way, which can lead to blurry vision.
Astigmatism can be present at birth, or it can develop later in life. It is often associated with other eye conditions, such as nearsightedness or farsightedness.
Risk Factors for Astigmatism
There are a number of risk factors that can increase your chances of developing astigmatism, including:
Family history: Astigmatism is often inherited, so if you have a family history of the condition, you are more likely to develop it yourself.
Certain eye surgeries: Some types of eye surgery, such as cataract surgery, can increase your risk of developing astigmatism.
Eye injuries: Injuries to the eye can also increase your risk of developing astigmatism.
Diagnosis of Astigmatism
Astigmatism can be diagnosed during a comprehensive eye exam. Your eye doctor will use a variety of tests to measure the curvature of your cornea and determine if you have astigmatism. These tests may include:
Visual acuity test: This test measures your vision at different distances.
Retinoscopy: This test uses a lighted instrument to measure the reflection of light from your retina.
Keratometry: This test measures the curvature of your cornea.
Treatment for Astigmatism
There are a number of different ways to correct astigmatism, including:
Eyeglasses: Eyeglasses can help to correct the blurry vision caused by astigmatism. Eyeglasses with toric lenses are specially designed to correct astigmatism.
Contact lenses: Contact lenses can also help to correct the blurry vision caused by astigmatism. Contact lenses with toric lenses are specially designed to correct astigmatism.
Surgery: Surgery can permanently correct astigmatism. There are a number of different surgical procedures that can be used to correct astigmatism, including laser eye surgery and refractive lens exchange.
Prevention of Astigmatism
There is no sure way to prevent astigmatism. However, there are a number of things you can do to reduce your risk of developing the condition, including:
Get regular eye exams: Regular eye exams can help to detect astigmatism early on, when it is easier to treat.
Protect your eyes from injury: Wear protective eyewear when playing sports or doing other activities that could injure your eyes.
Eat a healthy diet: Eating a healthy diet that is rich in fruits, vegetables, and whole grains can help to keep your eyes healthy.
Get enough sleep: Getting enough sleep can help to reduce eyestrain and other symptoms of astigmatism.
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