1) Adhesion 
[eye] A synechia is an eye condition where the iris adheres to either the cornea (i.e. anterior synechia) or lens (i.e. posterior synechia). Synechiae can be caused by ocular trauma, iritis or iridocyclitis and may lead to certain types of glaucoma. It is sometimes visible on careful examination but usually more easily through an ophthalmos...
• (n.) A disease of the eye, in which the iris adheres to the cornea or to the capsule of the crystalline lens.
(sĭ-nek´e-ә) adhesion, as of the iris to the cornea or the lens.
Syn·e'chi·a noun [ New Latin , from Greek ..., from ... to hold together; 
Type: Term Pronunciation: si-nek′ē-ă, -kē-ē; si-nē′kē-ă Definitions: 1. Any adhesion; specifically, anterior or posterior 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
synechia Related-word units meaning same: auto-; equ-; homeo-; homo-; iso-; pari-; peer-; tauto-.
noun 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
any adhesion of parts of the body, as of the iris to the cornea.