A miotic drug.    From Wordnet, Princeton University. 

Miochol®-E is an injectable miotic pharmaceutical used during certain eye surgeries to constrict the pupil.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

There's a miotic effect, pupils are constricted. ".    From Wordnik.com.  [Jurassic Park]

S.miotic and S.gnifics: The Correspondence between C.S. Peirce and Victoria Lady Welby.    From Wordnik.com.  [Conservapedia - Recent changes [en]] Reference