The Collaborative International Dictionary of English v.0.48:

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]

The Collaborative International Dictionary of English v.0.48:

ametropic \ametropic\ adj.
   Of or pertaining to ametropia.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

ametropic
    adj 1: of or relating to an abnormal condition of the eye in
           which visual images are not in focus on the retina [ant:
           emmetropic]