am·bly·o·pi·a 
(ăm′blē-ōpē-ə)
(ăm′blē-ōpē-ə)n.
Dimness of vision, especially when occurring in one eye without apparent physical defect or disease. Also called lazy eye.
[New Latin amblyōpia, from Greek ambluōpiā, from ambluōpos, dim-sighted : amblus, dim; see mel-1 in the Appendix of Indo-European roots + ōps, ōp-, eye; see MYOPIA.]
am′bly·opic (-ōpĭk, -ŏpĭk) adj.