ametropia vs astigmatism
astigmatism vs ametropiaametropia and astigmatism both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| ametropia | Yes | No | No | No |
| astigmatism | Yes | No | No | No |
As nouns,
astigmatism is a hyponym of
ametropia; that is, astigmatism is a
word with a more specific, narrower meaning than
ametropia:
- ametropia: (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
- astigmatism: (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
Other hyponyms of ametropia include
myopia, nearsightedness, shortsightedness, astigmia, farsightedness, hypermetropia, hypermetropy, hyperopia, longsightedness.
| ametropia (noun) | astigmatism (noun) |
|---|---|
| (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia | (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point |
| (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people |
Words related to "ametropia"
Words related to "astigmatism"
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