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
Keratoconus often causes high degrees of irregular astigmatism, which is an imperfection in the curvature of the cornea that leads to blurry vision.
—
Neelam Patadia,
The Conversation,
27 May 2026
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
See All Example Sentences for astigmatism
Neelam Patadia,
The Conversation,
27 May 2026
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
See All Example Sentences for astigmatism
Recent Examples of Synonyms for astigmatism
Noun
-
With more Americans turning to TikTok wellness trends and supplement aisles for answers about their eye health, the question of whether carrots actually help your eyesight has taken on new urgency.
-
McGinn, who plays for Aston Villa in the Premier League, dedicates all of his goals to his nephew, Jack, who has to play football in prescription sports ‘goggles’ due to poor eyesight.
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.
-
Barrel Cards The barrel card exercise can help improve symptoms of strabismus (crossed eyes).
Noun
-
The formula smooths wrinkles, reduces laugh lines, softens dry patches, and perks up the eye area to deliver plumper, firmer skin.
-
The satisfaction comes less from appearance and more from seeing something so distant directly with your own eyes.
Cite this Entry
“Astigmatism.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/astigmatism. Accessed 5 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
