The Collaborative International Dictionary of English v.0.48:

Prosphysis \Pros"phy*sis\, n. [NL., fr. Gr. ?; ? to + ? to
   grow.] (Med.)
   A growing together of parts; specifically, a morbid adhesion
   of the eyelids to each other or to the eyeball. --Dunglison.
   [1913 Webster]