The Collaborative International Dictionary of English v.0.48:

Microphthalmia \Mi`croph*thal"mi*a\, Microphthalmy
\Mi`croph*thal"my\, n. [Micro- + Gr. 'ofqalmo`s eye.]
   An unnatural smallness of the eyes, occurring as the result
   of disease or of imperfect development.
   [1913 Webster]