Astigmatism
Definition & Meaning
Pronunciation /əˈstɪɡmətɪzm̩/ · Part of speech noun
Quick meaning: Astigmatism is a noun meaning (optics) 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.
Meaning
(optics) 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.
More Meanings
- (pathology) 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.
Word Forms
- astigmatisms
Synonyms for astigmatism
Depending on context, synonyms include astigmia.
Antonyms for astigmatism
Common opposites include stigmatism.
Related Words
Related dictionary entries include astigmia, hyperopic, hypermetropic, keratoplasty, stigmatism, anastigmat.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.