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.

Related Words

Relevance

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
  • Doctors successfully removed the growth without harming his eyesight.
    Aamir Khollam, Interesting Engineering, 27 Aug. 2026
  • Mobley and his partner own Affogatto, a cat cafe in Fells Point, where there are a number of empty storefronts within eyesight of the cafe's front door.
    Dennis Valera, CBS News, 22 Aug. 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
  • Its exterior is rich with symbolism, from stone carvings representing the all-seeing eye of God to a golden statue, atop the highest spire, of an angel blowing a trumpet to herald the Second Coming.
    Brandon Griggs, CNN Money, 28 Aug. 2026
  • Unlike the heavy smoky eyes and cut creases of the 2010s, this trend is throwing it back to the 1990s when smoky eyes were more minimalist.
    Elle Turner, Glamour, 28 Aug. 2026

Browse Nearby Words

Cite this Entry

“Astigmatism.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/astigmatism. Accessed 2 Sep. 2026.

More from Merriam-Webster on astigmatism

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster