Monocle

A monocle was a type of glasses used for only one eye.

Joachim Hartzer sometimes wore a monocle as an affectation. Count Dressler also wore a monocle. , the Grand Chamberlain of the Dragon Empire in 2370, wore a monocle over his right eye, the ring of which was engraved with a very detailed rendition of seventeen birds flying through a tropical forest.