The Collaborative International Dictionary of English v.0.48:

cecutiency \ce*cu"tien*cy\ (s[-e]*k[=u]"*shen*s[y^]), n. [L.
   caecutire to be blind, fr. caecus blind.]
   Partial blindness, or a tendency to blindness. [R.] --Sir T.
   Browne.
   [1913 Webster]