Ametropia

ahd-5
  • noun. An eye abnormality, such as nearsightedness, farsightedness, or astigmatism, resulting from faulty refractive ability of the eye.
    • The Century Dictionary and Cyclopedia
  • noun. A condition of the eye which is abnormal with respect to refraction: the opposite of emmetropia. It comprises myopia, hypermetropia, presbyopia, and astigmatism. See these words.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. a visual impairment resulting from faulty refraction of light rays in the eye. Subtypes include myopia astigmatism and hyperopia.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. Any of several disorders of the eye (spherical or cylindrical) resulting from faulty refractive ability.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
    • Word Usage
    "I have discovered ametropia in the particular form of irregular astigmatism."
    Hypernym
    Words that are more generic or abstract
    vision defect  visual defect  visual disorder  visual impairment  
    Hyponym
    Words that are more specific
    astigmatism  astigmia  farsightedness  hypermetropia  hypermetropy  
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