astigmatism

noun

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.

Synonyms & Similar 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 They can also be paired with a magnetic prescription lens frame for those with severe astigmatism or have a prescription greater than -5.00D. — Christina Liao, Forbes, 29 Nov. 2024 John was later derailed by astigmatism, which also required surgery. — Daniel Brown, The Athletic, 26 Apr. 2024 Nearsightedness, farsightedness, and astigmatism are other forms of refractive errors. — Maxine Lipner, Verywell Health, 23 Oct. 2024 Benefits of eye surgery include improvement of nearsightedness, farsightedness, and astigmatism. — Vanessa Caceres, Verywell Health, 11 Sep. 2024 See All Example Sentences for astigmatism
Recent Examples of Synonyms for astigmatism
  1. eyesight
  2. strabismus
  3. eye
Noun
  • Yet, many neglect their eyesight, unknowingly compromising their mental sharpness, risk perception and executive function.
    — Dr Chibuzor Uwadi, Forbes, 14 Mar. 2025
  • Adding raspberries to your diet is a simple way to support your eyesight and protect your vision for the future.15 5.
    — Julie Marks, Verywell Health, 12 Mar. 2025
Definition of eyesight
Noun
  • Barrel Cards The barrel card exercise can help improve symptoms of strabismus (crossed eyes).
    — Laura Schober, Health, 12 Feb. 2025
  • One of his conditions, strabismus,has also been reported by researchers to be behind the genius of Leonardo da Vinci, allowing the painter to perceive the world differently and facilitating his accurate depiction of three-dimensional objects on flat surfaces.
    — Maya Davis, CNN, 4 Aug. 2024
Definition of strabismus
Noun
  • Those moves were all done with an eye on the trade deadline.
    — Thomas Drance, The Athletic, 8 Mar. 2025
  • Be mindful of snow plows: Keep an eye out for snow plows and allow them ample room to pass.
    — Southern California Weather Report, Orange County Register, 7 Mar. 2025
Definition of eye

Browse Nearby Words

astigmatism
See all Nearby Words

Cite this Entry

“Astigmatism.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/astigmatism. Accessed 21 Mar. 2025.

Copy Citation

Share

More from Merriam-Webster on astigmatism

Nglish: Translation of astigmatism for Spanish Speakers

Britannica.com: Encyclopedia article about astigmatism

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

Popular in Grammar & Usage

See More

The Difference Between 'i.e.' and 'e.g.'

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?

More Commonly Misspelled Words
See More

Popular in Wordplay

See More

What do SCOTUS, POTUS, and FLOTUS mean?

Flower Etymologies For Your Spring Garden

More Words with Remarkable Origins

Terroir, Oenophile, & Magnum: Ten Words About Wine

8 Words for Lesser-Known Musical Instruments
See More

Popular Features

See More

The Difference Between 'i.e.' and 'e.g.'

What do SCOTUS, POTUS, and FLOTUS mean?

Flower Etymologies For Your Spring Garden
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
number-twelve-balloon
12-Letter Words Quiz A dozen words, a dozen letters each.
See All