Source : Webster's Revised Unabridged Dictionary (1913)

Anopsia \A*nop"si*a\ ([.a]*n[o^]p"s[i^]*[.a]), Anopsy \An"op`sy\
   ([a^]n"[o^]p`s[y^]), a. [Gr. 'an priv. + 'o`psis sight.]
   (Med.)
   Want or defect of sight; blindness.