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  1. Astigmatism: Causes, Symptoms, Diagnosis, and Treatment - WebMD

    Apr 22, 2024 · Astigmatism - Learn more about the causes, symptoms, diagnosis, and treatment of this condition in which your eye isn’t completely round.

  2. Astigmatism - Symptoms & causes - Mayo Clinic

    Apr 30, 2025 · Imperfect curvature of your eye can cause blurred distance and near vision. Learn about this common and treatable eye condition.

  3. Astigmatism Explained: Causes, Diagnosis, Treatment - American …

    What Causes Astigmatism? Astigmatism is caused by a cornea or lens that has a different shape than normal. Astigmatism is very common. Doctors don't know why the shape of the cornea or …

  4. Astigmatism - National Eye Institute

    Dec 4, 2024 · It happens when your cornea (the clear front layer of your eye) or lens (an inner part of your eye that helps the eye focus) has a different shape than normal. Learn about the …

  5. What Is Astigmatism? Causes, Symptoms & Treatment - Vision Center

    May 30, 2025 · Astigmatism is a common eye problem that makes your vision blurry at near and far distances. It occurs when the cornea or lens of the eye is irregularly shaped.

  6. Astigmatism: Eye Changes, Testing, and Correction

    Jan 6, 2026 · In astigmatism, the cornea (the clear dome that covers your eye) or the lens (which focuses light rays on the light-sensitive retina) is abnormally shaped. Wearing contact lenses …

  7. Astigmatism - Wikipedia

    Astigmatism is a type of refractive error due to rotational asymmetry in the eye's refractive power. The lens and cornea of an eye without astigmatism are nearly spherical, with only a single …

  8. Astigmatism Q&A - Symptoms, Causes, Treatment - Advanced Family Eye

    Mar 30, 2025 · Individuals with astigmatism have blurred, fuzzy, or distorted vision at near and far distances alike. In terms of what this actually looks like to those who have the condition, here …

  9. What is astigmatism? Why does it make my vision blurry? And …

    Jul 16, 2025 · Astigmatism (uh-STIG-muh-tiz-um) is a type of refractive error where one or more of the eye’s surfaces are not smooth and/or round. It is broadly classified into two types: …

  10. Astigmatism Types - Regular and Irregular - News-Medical.net

    Aug 22, 2023 · Irregular corneal or lens curvature of the eye causes regular astigmatism. In this condition, the principal meridians are always 90˚ apart from each other and, in this case, there …