ametropia

1. (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia (synset 114120206)
   referred to in: ophthalmology - the branch of medicine concerned with the eye and its diseases
   is a type of: vision defect, visual defect, visual disorder, visual impairment - impairment of the sense of sight
   subtypes:

   • myopia, nearsightedness, shortsightedness - (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred
   • astigmatism, astigmia - (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
   • farsightedness, hypermetropia, hypermetropy, hyperopia, longsightedness - abnormal condition in which vision for distant objects is better than for near objects

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