Source : Webster's Revised Unabridged Dictionary (1913)

Synechia \Syn*e"chi*a\, n. [NL., fr. Gr. ?, fr. ? to hold
   together; sy`n with + ? to hold.] (Med.)
   A disease of the eye, in which the iris adheres to the cornea
   or to the capsule of the crystalline lens.

Source : WordNet®

synechia
     n : adhesions between the iris and the lens or cornea resulting
         from trauma or eye surgery of as a complication of
         glaucoma or cataract; can lead to blindness