Ametropia

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  ametropia \am`e*tro"pi*a\ ([a^]m`[-e]*tr[=o]"p[i^]*[.a]), n.
     [Gr. 'a`metros irregular + 'w`ps, 'wpo`s, eye.] (Med.)
     A visual impairment resulting from faulty refraction of light
     rays in the eye. Subtypes include {myopia} {astigmatism} and
     {hyperopia}. -- {Am`e*trop"ic} ([a^]m`[-e]*tr[o^]p"[i^]k), a.
     AS


     [1913 Webster +PJC]

From WordNet (r) 2.0 [wn]:

  ametropia
       n : (ophthalmology) faulty refraction of light rays in the eye
           as in astigmatism or myopia