Astigmatism is a refractive error that occurs when the cornea or the lens of the eye has an irregular curvature. This irregularity can lead to blurred or distorted vision at all distances. It's a common condition that can occur in conjunction with other eye issues like nearsightedness or farsightedness.

What is Astigmatism?

Astigmatism is an eye condition that is often misunderstood. It is a refractive error, just like nearsightedness and farsightedness. However, unlike these conditions where the eye has trouble focusing light evenly onto the retina, astigmatism is caused by an irregularly shaped cornea or lens. This irregular shape prevents light from focusing properly on the retina, the light-sensitive surface at the back of the eye.

To give you a clearer picture, a normal eye is shaped like a perfectly round ball. Light comes into it and bends evenly, which gives you a clear view. But if you have astigmatism, your eye is shaped more like a football. This means light gets bent more in one direction than the other, which leads to your vision being blurry or distorted.

Top 7 Questions About Astigmatism

Many people have astigmatism, but it's often misunderstood. Here are seven of the most frequently asked questions about astigmatism to help you understand it better.

1. Can astigmatism lead to blindness? Astigmatism does not lead to blindness. However, untreated astigmatism can lead to headaches, eye discomfort, and blurry vision.
 

2. Can astigmatism correct itself? Astigmatism does not correct itself. Glasses, contacts, and surgery are the common treatment options.

3. Can astigmatism get worse over time? Yes, astigmatism can worsen over time, especially in children and young adults.

4. Can astigmatism be caused by stress? Stress does not cause astigmatism, but it can exacerbate the symptoms such as headaches and eye strain.

5. What does vision with astigmatism look like? Vision with astigmatism can be blurry or distorted at all distances.

6. Can astigmatism be prevented? Since astigmatism is usually hereditary, it cannot be prevented. Regular eye exams can help detect it early.

7. Are there any natural treatments for astigmatism? While there are no proven natural treatments for astigmatism, a balanced diet and regular eye exercises can help maintain overall eye health.

Methods for Diagnosing Astigmatism

Astigmatism is diagnosed through a comprehensive eye exam. An optometrist will perform several tests to check your visual acuity, how your eyes focus light, and the curvature of your cornea. The most common tests include:

• Visual acuity test: This involves reading letters on a distance chart.

• Keratometry: This measures the curvature of the cornea.

• Refraction test: This uses a phoropter, a device that can determine the lens power needed to compensate for refractive errors.

• Corneal topography: This provides a detailed map of the surface curvature of the cornea.

These diagnostic methods are crucial in determining the degree of astigmatism and the appropriate treatment.

Addressing Your Astigmatism Concerns

If you suspect you have astigmatism, schedule an eye exam with your optometrist today. Early detection and treatment can prevent further complications and ensure you maintain your quality of vision.

For more information on astigmatism, visit Van Alstyne Eye Care in our Van Alstyne, Texas, office. We provide quality eye care services and products for the entire family. Call (903) 482-0090 to schedule an appointment today.