oxyopia

from WordNet (r) 3.0 (2006)

oxyopia
    n 1: unusually acute vision

from The Collaborative International Dictionary of English v.0.48

Oxyopia \Ox`y*o"pi*a\, Oxyopy \Ox"y*o`py\, n. [NL. oxyopia, from
   Gr. 'oxy`s sharp + ??? sight.] (Med.)
   Excessive acuteness of sight.
   [1913 Webster]