astigmatism meaning
UK US /əˈstɪɡmətɪzəm/ 5 syllables
astigmatism (noun): (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people.
astigmatism has 2 meanings in this dictionary.
astigmatism as a noun
- (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
Synonyms: astigmia
Type of: ametropia
Kinds: keratectasia, keratoconus
Related forms: astigmatic
- (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
Synonyms: astigmia
Opposite: stigmatism
Type of: condition
Related forms: astigmatic
astigmatism in a sentence
- Contact lenses are more able to correct strong astigmatism.
- She wore glasses because she had astigmatism.
- I have an astigmatism in both eyes.
How to pronounce astigmatism
astigmatism is pronounced /əˈstɪɡmətɪzəm/ in American English. It has 5 syllables, with the stress on the second syllable.
Scrabble score: 16 (letter breakdown)
Word lists: words starting with AS · words ending in SM · 11-letter words
More about astigmatism on Wikipedia.