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ametropia

[am-i-troh-pee-uh]

noun

Ophthalmology.
  1. faulty refraction of light rays by the eye, as in astigmatism or myopia.



ametropia

/ ˌæmɪˈtrəʊpɪə /

noun

  1. loss of ability to focus images on the retina, caused by an imperfection in the refractive function of the eye

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other Word Forms

  • ametropic adjective
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Word History and Origins

Origin of ametropia1

1875–80; < Greek ámetr ( os ) unmeasured ( a- a- 6 + métr ( on ) measure + -os adj. suffix) + -opia
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Word History and Origins

Origin of ametropia1

C19: New Latin, from Greek ametros unmeasured (from a- 1 + metron measure) + ōps eye
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Children of parents affected with astigmatism, ametropia, etc. should be carefully examined before being placed at school, and if necessary fitted with proper glasses.

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I have discovered ametropia in the particular form of irregular astigmatism.

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