astigmatism
AI In plain words
Writing a short explanation…
Written by a house AI from the entry below, in your language. The entry itself is the source.
astigmatism
- /əˈstɪɡmətɪzm̩/ US
Where it comes from
From a- (negative prefix) + stem of Ancient Greek στίγμα (stígma, “mark, point”) + -ism. Coined by English polymath William Whewell in 1846.
noun astigmatisms
- A defect of a lens such that light rays coming from a point do not meet at a focal point so that the image is blurred.
- A disorder of the vision, usually due to a misshapen cornea, such that light does not focus correctly on the retina causing a blurred image.
Similar: astigmia
Thesaurus
noun
Similar: astigmia
Translations
Every language
noun defect of a lens
| Español | astigmatismo |
|---|---|
| 日本語 | 非点収差 hiten shūsa |
| 中文 | 像散 xiàngsàn |
| Português | astigmatismo |
| Deutsch | Astigmatismus |
| Italiano | astigmatismo |
| Ελληνικά | αστιγματισμός astigmatismós |
| Română | astigmatism |
| Русский | астигмати́зм astigmatízm |
| العربية | لَابُؤْرِيّة lābuʔriyya, اللَانُقَطِيَّة al-lānuqaṭiyya |
noun disorder of the vision
| Español | astigmatismo |
|---|---|
| 日本語 | 乱視 ranshi |
| 中文 | 散光 sǎnguāng, 亂視 /乱视 luànshì |
| Português | astigmatismo |
| Français | astigmatisme |
| Deutsch | Astigmatismus |
| Italiano | astigmatismo |
| Ελληνικά | αστιγματισμός astigmatismós |
| Română | astigmatism |
| Русский | астигмати́зм astigmatízm |
Talk about this word "astigmatism." Wiktionary, via Micwyn, micwyn.com/word/astigmatism. Accessed 7 Nov. 2026. astigmatism. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/astigmatism "astigmatism." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/astigmatism.Cite this
@misc{astigmatism_2026,
title = {astigmatism},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/astigmatism},
urldate = {2026-11-07}
}
