astigmatism

Definition of astigmatismnext
as in eyesight
medical a problem with the eye that prevents a person from seeing clearly He needed to wear glasses because of his astigmatism.

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of astigmatism Benjamin Franklin would invent bifocals in 1874, Thomas Young would spot the uneven curvature of the cornea (astigmatism) in 1801, and steel wire would be developed in metal frames after 1837. Daniel Fusch, Ascend Agency, 11 Nov. 2025 Myopia is when someone can see objects close-up but their vision becomes blurred when looking at objects farther away, and astigmatism is a condition in which either the eye’s cornea or lens has a different shape than normal, causing blurred vision. Jacqueline Howard, CNN Money, 26 Sep. 2025 For instance, people with astigmatism benefit from toric lenses. Malana Vantyler, AZCentral.com, 28 Aug. 2025 This changes how light enters the eye and often leads to irregular astigmatism. Lindsay Curtis, Health, 3 Aug. 2025 See All Example Sentences for astigmatism
Recent Examples of Synonyms for astigmatism
Noun
  • Stevie has always claimed to have poor eyesight, but the contacts incident arguably made a bad situation worse.
    Daniel Kreps, Rolling Stone, 14 Sep. 2026
  • His eyesight was almost gone, his parents and two older brothers had died, and there was no movement on his sister’s case.
    Harriet Ramos, Fort Worth Star-Telegram, 8 Sep. 2026
Noun
  • The teen now hopes that EYEVA could one day help those with strabismus on a large scale, and perhaps prevent many from needing invasive corrective surgery.
    Toria Sheffield, PEOPLE, 26 Apr. 2026
  • Barrel Cards The barrel card exercise can help improve symptoms of strabismus (crossed eyes).
    Laura Schober, Health, 12 Feb. 2025
Noun
  • To his eyes, the 11th century record of the Norman conquest offers an extreme example of the value of studying history’s patterns to anticipate future developments.
    Andrew Edgecliffe-Johnson, semafor.com, 11 Sep. 2026
  • While the rest of MomTok goes through it (except for Whitney, who is having the time of her life), they are only ever given half of our attention because Taylor and her eye-wateringly poor decision-making are impossible to sideline.
    Kathleen Walsh, Vulture, 11 Sep. 2026

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Cite this Entry

“Astigmatism.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/astigmatism. Accessed 16 Sep. 2026.

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