1.  eyehole(n = noun.artifact) peephole, spyhole - a hole (in a door or an oven etc) through which you can peep;
is a kind of hole
has particulars: judas

2.  eyehole(n = noun.artifact) eyelet - a small hole (usually round and finished around the edges) in cloth or leather for the passage of a cord or hook or bar;
is a kind of hole
is a part of boot, curtain, drape, drapery, mantle, pall, garment

   A circular opening to recive a hook, cord, ring, or rope; an eyelet. [1913 Webster]

eyehole, n. a hole to look through.