1888, Sir Richard Burton, The Book of The Thousand Nights And A Night...one of his sparks alighted upon my eye and destroyed it making me a monocular ape;
1906, Amelia Barr, The Man BetweenYou are not such a foolish woman as to like to be seen with Fred Mostyn, that little monocular snob, after the aristocratic, handsome Basil Stanhope.
Of any optical system suitable for use by one eye at a time.
