• WordNet 3.6
    • n ametropia (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
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Webster's Revised Unabridged Dictionary
    • n Ametropia (Med) a visual impairment resulting from faulty refraction of light rays in the eye. Subtypes include myopia astigmatism and hyperopia.
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Century Dictionary and Cyclopedia
    • n ametropia 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.
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Webster's Revised Unabridged Dictionary
Gr. irregular + , , eye


In literature:

Children of parents affected with astigmatism, ametropia, etc.
"A System of Practical Medicine by American Authors, Vol. I" by Various